HP Terminals User Manual

 Worldwide Response Center
HP 3000 APPLICATION NOTE #51
TERMINAL TYPES
for HP3000 HPIB Computers
=]
| HEWLETT January 1, 1989
Ga
PACKARD Document P/N #5959-9237
HP Computer Museum
www.hpmuseum.net
For research and education purposes only.
RESPONSE CENTER APPLICATION NOTES
HP 3000 APPLICATION NOTES are published by the Worldwide Response Center twice a month
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Copyright © 1989 by HEWLETT-PACKARD COMPANY
TERMINAL TYPES
for HP3000 HPIB Computers -
Different types of devices use different terminal types when connected to the HP 3000.
If there is a question of which terminal type is best suited for your application, please
contact Hewlett-Packard.
Sometimes peripherals that have not been tested are connected to the HP3000. Please
refer to the HP3000 Computer Systems Configuration Guide (HP part number
5954-9354) to determine which devices are formally supported when connected to the
HP3000.
The attributes listed for each of the terminal types may not apply to some peripherals.
For example, block mode support, echo, and some special control characters are not
appropriate for printers.
Terminal Type 4
This terminal type is supported with device type 16 only on MPE IV. MPE V/P and ATC ports. It is used O
for HP2600A or Datapoint 3300 keyboard display terminals at 10, 15, 30, 60. 120, and 240 cps.
Flow Control: | XON/XOFF with timer disabled.
Block Mode: “Not supported.
Read Trigger: DC1 character (XON character).
Special Characters: Standard control characters for HP
terminals are used. These include
control sequences for console attention,
backspace, cancel, end-of-record and
subsystem break.
Stripped Characters: XON/XOFF characters if handshake disabled,
subsystem break if disabled, NUL, DEL.
Terminal Control: Initial echo on, line feed accepted
during input data, line feed character
replaces form feed in output data, system
response to a backspace is an end-of-marker
character, 7 databits recognized.
Printer Control: None. | O
Considerations: This terminal type is rarely seen because
the devices requiring it are quite archaic.
If used on MPE V/E or later, there is a
delay protocol that has been added which
will cause the display output to pause
for .3 seconds at every linefeed.
Terminal Type 6
This terminal type is supported with device type 16 on MPE IV and MPE V ATC, ADCC and ATP ports.
It is used for HP2762 A/B (General Electric terminet 300 or 1200 baud), or Data Communications
terminal model Bat 10, 15, 30, or 120 cps with paper tape reader/punch, option 2.
Note: This terminal must be equipped for echoplex.
Flow Control: XON/XOFF with timer disabled. On MPE V/E
and later there is a delay protocol of
.3 seconds for line feeds and form feeds.
Block Mode: Not supported.
Read Trigger: DC1 character (XON character).
Special Characters: Standard control characters for HP
terminals are used. These include control
~ sequences for console attention, backspace,
cancel, end-of-record and subsystem break.
Stripped Characters: XON/XOFF if handshake disabled, subsystem
break if disabled, NUL, DEL. |
Terminal Control: Initial echo on, line feed accepted
| o during input data, form feed allowed in
output data, system response to a backspace
is a line feed character. 7 databits
recognized. A DC3 character is output
after each line feed.
Printer Control: None.
Considerations: Be aware of the delay protocol for this
termtype. On termtype 6, the ADCC actually
outputs 45 NULs after a carriage return
or line feed at 240 cps.
Terminal Type 9
This terminal type is supported with device type 16 on MPE IV and MPE V ATC, ADCC and ATP ports.
It is used for the old HP2615 Beehive Mini Bee. It is also widely used for foreign terminals which. do not
use ENQ/ACK flow control or block mode.
Flow Control:
Block Mode:
Read Trigger:
Special Characters:
Stripped Characters:
Terminal Control:
Printer Control:
Considerations:
XON/XOFF with timer disabled. On MPE V/E
and later there is a delay protocol of .
.3 seconds for line feeds and form feeds.
Not supported.
DC1 character (XON character).
Standard control characters for HP
terminals are used. These include control
sequences for console attention, backspace,
cancel, end-of-record and subsystem break.
XON/XOFF if handshake disabled, subsystem
break if disabled, NUL, DEL.
Initial echo on, line feed accepted
during input data, form feed allowed in
output data, system response to a backspace
is a line feed character. 7 databits
recognized.
None.
Because of the delay protocol used with
MPE V/E and later, this terminal type
is not feasible for foreign terminals.
The symptom is a very sluggish terminal
(.3 second delay per line feed). Terminal
type 18 does not use this delay protocol
and is generally recommended for foreign
terminal applications.
Terminal Type 10
This terminal type is supported with device type 16 on all versions of MPE for any asynchronous port. It
is used for HP terminals and devices including the 264X, 262X and 239X families of terminals as well as
the HP150, 700/92 and 700/94. This terminal type is also used on foreign terminals which emulate HPs
ENQ/ACK protocol and block mode data transmission. These include the Direct 825 and 1025.
Flow Control:
Block Mode:
Read Trigger:
Special Characters:
Stripped Characters:
Terminal Control:
Printer Control:
Considerations:
ENQ/ACK with time out transmission after
10 seconds. XON/XOFF with timer disabled.
Enabled for line and page block mode.
Alert character is a DC2, trigger character
is a DC1.
DC1 character (XON character).
Standard control characters for HP
terminals are used. These include control
sequences for console attention; backspace,
cancel, end-of-record and subsystem break.
XON/XOFF if handshake disabled, subsystem
break if disabled, NUL, DEL.
Initial echo on, line feed accepted
as input data, no system response to
backspace, 7 databits recognized.
None.
If a non-HP terminal is configured with
termtype 10, the computer will send an
ENQ character but the terminal will not
respond. Therefore, only 80 characters
are printed every 10 seconds.
Terminal Type TT10NOEC
This terminal type is supported with device type 16 starting with MPE T-Delta 4 (G. 01.04) and U-Mit
(G.A2.00). It is used for HP terminals and devices including the 264X, 262X and 239X families of
terminals. |
This terminal type fixes problems with ADCC ports in regards to "ESC" character processing and echo.
Some full screen applications, such as HPSLATE, which read a lot of escape sequences, can display garbage
on the screen. With TTIONOEC, the escape character is not treated as a special character by the ADCC
software. Character echo will be done by software instead of ADCC hardware. Since the escape
character is no longer recognized by ADCC software, the "ESC;" and "ESC." commands to turn echo off
and on will no longer work. Two programs are supplied to perform these functions: ECHOON. PUB. SYS
and ECHOOFF. PUBL. SYS. |
This terminal type must not be used with ATP ports...
Flow Control: ENQ/ACK with time out transmission after
10 seconds. XON/XOFF with timer disabled.
Block Mode: Enabled for line and page block mode.
Alert character is a DC2, trigger character
is a DCi.
Read Trigger: DC1 character (XON character).
Special Characters: Standard control characters for HP
terminals are used. These include control
sequences for console attention, backspace,
cancel, end-of-record and subsystem break.
Stripped Characters: XON/XOFF if handshake disabled, subsystem
break if disabled, NUL, DEL.
Terminal Control: Initial echo on, line feed accepted
as input data, no system response to
backspace, 7 databits recognized.
Printer Control: None.
Considerations: If a non-HP terminal is configured with
termtype 10, the computer will send an
ENQ character but the terminal will not
respond. Therefore, only 80 characters
are printed every 10 seconds.
Terminal Type 12
This terminal type is supported with device type 16 on all versions of MPE for any asynchronous port. It
is used for native language extended character sets on HP terminals over ATC ports and for the HP2645
Katakana/Roman data terminal. The only difference between this terminal type and termtype 10 is that
termtype 12 expects 8 data bits where termtype 10 expects 7.
Flow Control: ENQ/ACK with time out transmission after
10 seconds. XON/XOFF with timer disabled.
Block Mode: Enabled for line and page block mode.
Alert character is a DC2, trigger character
is a DC1.
Read Trigger: DC1 character (XON character).
Special Characters: Standard control characters for HP
terminals are used. These include control
sequences for console attention, backspace,
cancel, end-of-record and subsystem break.
Stripped Characters: XON/XOFF if handshake disabled, subsystem
break if disabled, NUL, DEL.
Terminal Control: Initial echo on, line feed accepted
as input data, form feed allowed in output
data, no system response to kackspace,
8 data bits with no parity.
Printer Control: None.
Considerations: HP terminals on ATP ports or ADCC ports
must be configured for parity=none, chk
parity=no and data bits=8 when used for
NLS/3000 on terminal type 12.
Terminal Type 13
This terminal type is supported with device type 16 on all versions of MPE for any asynchronous port. It
is used for message switching networks or communication with other computers where echo is not desired.
It is also common on the HP2601A printer although termtype 18 is recommended.
Flow Control:
Block Mode:
Read Trigger:
Special Characters:
Stripped Characters:
Terminal Control:
Printer Control:
Considerations:
XON/XOFF with timer disabled.
-Enabled for line and page block mode, with
alert character DC2 and trigger character
DCH.
DC1 character (XON character).
Standard control characters for HP
terminals are used. These include
control seguences for console attention,
backspace, cancel, end-of-record and
subsystem break.
XON/XOFF characters if handshake disabled,
subsystem break if disabled, NUL, DEL.
Initial echo off, line feed accepted
as input data, form feed allowed in output
data, no system response to backspace, 7
data bits recognized.
None.
HP2601A and 2602B printers frequently use
this termtype. However, the block mode
and echo are not needed and termtype 18
will work fine.
This terminal type is often used over
Telenet and Tymnet networks where the
user would be charged for those echoed
characters.
Terminal Type 14
This terminal type is used by HP MTS terminals which use synchronous data transmission over an INP. It
will not work over any asynchronous controller although it does have the same characteristics as termtype
10.
Flow Control:
Block Mode:
Read Trigger:
Special Characters:
Stripped Characters:
Terminal Control:
Printer Control:
Considerations:
ENQ/ACK with time out transmission after
10 seconds. XON/XOFF with timer disabled.
Enabled for line and page block mode.
Alert character is a DC?, trigger character
is a DCI.
DC1 character (XON character).
Standard control characters for HP
terminals are used. These include control
sequences for console attention, backspace,
cancel, end-of-record and subsystem break.
XON/XOFF if handshake disabled, subsystem
break if disabled, NUL, DEL.
Nane.
None.
Terminals running on MTS are the only
devices using this terminal type. MTS
terminals connected to a 2333A cluster
controller will use termtype 10 however.
Terminal Types 15 & 16
These terminal types are supported on MPE IV and MPE V over any asynchronous controller. They are
- grouped together because they are both used for the same single device, the HP2635 printing terminal.
The difference being that terminal type 15 is used for 8 bit data transmission needed for NLS/3000 or
other extended character sets.
Flow Control: | ENQ/ACK, XON/XOFF with timer disabled.
Block Mode: Not supported.
Read Trigger: DC1 character (XON character).
Special Characters: Standard control characters for HP
terminals are used. These include control
sequences for console attention, backspace,
cancel, end-of-record and subsystem break.
Stripped Characters: XON/XOFF if handshake disabled, subsystem
- break if disabled, NUL, DEL.
Terminal Control: Initial echo on, line feed accepted
during input data, line feed replaces
form feed in output data, system response
to a backspace is a line feed character,
7 data bits for termtype 16 and 8 data
bits for termtype 15.
Printer Control: None.
Considerations: . As of MPE V/E, Block Mode has been
— removed from termtypes 15 & 16. Terminals
configured with these termtypes which use
block mode must be reconfigured to a
supported block mode termtype, such as
termtype 10 or termtype 12.
10
Terminal Type 18
This terminal type is supported with device types 16 & 32 on all versions of MPE for any asynchronous
port. It is used for all foreign terminals that do not use ENQ/ACK and printers with less intelligent
controllers. It is not supported in a spooled mode.
Flow Control:
Block Mode:
Read Trigger:
Special Characters:
Stripped Characters:
Terminal Control:
Printer Control:
Considerations:
XON/XOFF with timer disabled.
Not supported.
NUL
Standard control characters for HP
terminals are used. These include control
sequences for console attention, backspace, -
cancel, end-of-record and subsystem break.
XON/XOFF if handshake disabled, subsystem
break if disabled, NUL, DEL.
Initial echo on, line feed accepted
during input data, form feed allowed in
output data, no system response to a
backspace, 7 data bits recognized.
None.
This terminal type is considered the
“plain vanilla” terminal type used with
foreign devices and some HP devices.
Terminal type 18 is not supported for
spooled printers because no status
checking is done for possible printer
problems. Status checking is the printer
control HP uses to stop and save an active
spoolfile when à condition such as "paper '
out” occurs. Status checking will also
print a message at the console indicating
what the problem may be. Printers
requiring this terminal type do not
have the firmware to respond to status
checking.
11
Terminal Type TTPCL18
This terminal type is supported with device type 32 on MPE V/E, T-MIT and later operating system
which allow user defined terminal types created with the Workstation Configurator. It is shipped on
MPE V T-MIT and later installation tapes. It has been designed to provide enhanced control for printers
that do not use termtype 19 or 21. This termtype can be used for extended character printing and over a
multiplexer.
Flow Control:
Block Mode:
Read Trigger:
Special Characters:
Stripped Characters:
Terminal Control:
Printer Control:
Considerations:
XON/XOFF with 60 second time enabled
upon receipt of each XOFF. If an XON is
not received in 60 seconds, a message is
displayed on the console and the CPU
continues to wait for the XON. |
Not supported.
NUL
Standard control characters for HP
terminals are used. These include control
sequences for console attention, backspace,
cancel, end-of-record and subsystem break.
XON/XOFF if handshake disabled, subsystem
break if disabled, NUL, DEL.
Initial echo on, form feed allowed in
output data, line feed accepted as input
data, по system response to backspace,
8 data bits, no parity.
Printer initialization to hard reset,
disable display functions mode, enable
auto perf-skip.
. Because of the 60 second timer and the
added printer initialization, this should
be a desired terminal type for HP printers
currently on termtype 18. This terminal
“type is also recommended for HP printers
over a multiplexer when higher throughput
is desired. Increased throughput is
achieved by the elimination of printer
status checking.
12
Terminal Type TT18NOEC
This terminal type is supported with device type 16 starting with MPE T-Delta 4(G.01.04) and U-MIT
(G.A2.00). It is used for HP terminals and devices including the 264X, 262X and 239X families of
terminals.
This terminal type fixes problems with ADCC ports in regards to "ESC" character processing and echo.
Some full screen applications, such as HPSLATE, which read a lot of escape sequences, can display garbage
on the screen. With TT18NOEC, the escape character is not treated as a special character by the ADCC
software. Character echo will be done by software instead of ADCC hardware. Since the escape
character is no longer recognized by ADCC software, the "ESC," and "ESC" commands to turn echo off
and on will no longer work. Two programs are supplied to perform these functions: ECHOON.PUB.SYS
and ECHOOFF.PUBL.SYS.
Flow Control: XON/XOFF with timer disabled.
Block Mode: Not supported.
Read Trigger: NUL
Special Characters: Standard control characters for HP
terminals are used. These include control
sequences for console attention, backspace,
cancel, end-of-record and subsystem break.
Stripped Characters: XON/XOFF if handshake disabled, subsystem
| break if disabled, NUL, DEL.
Terminal Control: Initial echo on, line feed accepted
during input data, form feed allowed in
output data, no system response to a
backspace, 7 data bits recognized.
Printer Control: None.
Considerations: This terminal type is considered the
“plain vanilla” terminal type used with
foreign devices and some HP devices.
13
Terminal Type TT18PLUS
This terminal type is supported with device type 32 beginning with T-DELTA 4(G. 01.04) and U-MIT
(G.A2.00). It was not released with MPE but is available with an ATP/ADCC patch.
This terminal type fixes a problem with ATP firmware XON/XOFF processing with terminal type 18. If
an XON follows an XOFF too closely, the ATP firmware may miss the XON, which will cause the port to
hang. This scenario can occur when printers are connected to the HP3000 via multiplexers. TT18PLUS
causes the XON/XOFF handshake to occur in software rather than in ATP firmware.
This terminal type must not be used with ADCC ports.
Flow Control: XON/XOFF with timer disabled.
Block Mode: Not supported.
Read Trigger: NUL |
Special Characters: Standard control characters for HP
terminals are used. These include control
sequences for console attention, backspace,
cancel, end-of-record and subsystem break.
Stripped Characters: XON/XOFF if handshake disabled, subsystem
break if disabled, NUL, DEL.
Terminal Control: Initial echo on, line feed accepted
during input data, form feed allowed in
output data, no system response to a
backspace, 7 data bits recognized.
Printer Control: None.
Considerations: This terminal type is considered the
“plain vanilla” terminal type used with
foreign devices and some HP devices.
Terminal type TT18PLUS is not supported
for spooled printers because no status
checking is done for possible printer
problems. Status checking is the printer
control HP uses to stop and save an active
spoolfile when a condition such as "paper
out” occurs. Status checking will also
print a message at the console indicating
what the problem may be. Printers
requiring this terminal type do not
have the firmware to respond to status
checking.
14
Terminal Type 19
O This terminal type is supported with device type 32 on all versions of MPE for any asynchronous port. It
: is used for HP spooled printers that have more intelligent controllers including the 256X, 263X and 293X
printer families.
Flow Control:
Block Mode:
Read Trigger:
. Special Characters:
Stripped Characters:
Terminal Control:
Printer Control:
Considerations:
XON/XOFF with timer disabled.
Not supported.
DC1 character (XON character).
Standard control characters for HP
terminals are used. These include control
sequences for console attention, backspace,
cancel, end-of-record and subsystem break.
XON/XOFF if handshake disabled, subsystem
break if disabled, NUL, DEL.
Initial echo on, form feed allowed in
output data, line feed accepted in input
data, no system response to a backspace,
7 data bits, odd parity.
Printer initialization to disable display
functions, disable automatic underlining,
enable "permanently on" underline mode,
set secondary character set to Math, set
primary set to default, enable SI/SO mode,
Shift In, enable permanent SI/SO selection,
select character ROM O if ROM 1 is empty,
set pitch to 10.0, set line spacing to 6
lines per inch, enable perforation skip
mode, clear vertical tabs, slew 1 line at
line feed, clear horizontal tabs, enable
end-of-line wraparound mode, and set left
margin to column 1.
Termtype 19 sends a status request to the
printer when the printer is opened, at the end
of every line and when the port receives an
XOFF character. This status request checks for
printer online, paper and transmission errors.
If the printer does not reply within 10 seconds,
a spoolee I/O error is encountered and the
printer will stop spooling.
If the printer is remote and a multiplexer
is used, the status request may not always
return within 10 seconds. Termtype 21 does not
generate a status request at the receipt of an
XOFF. Rather, a 60 second timer is started;
if an XON is not received in that time, a
“device not ready" message is displayed and the
spooler will continue to wait for the XON. In
this configuration, termtype 21 may be best.
15
Terminal Type TTPCL19
This terminal type 1s supported with device type 32 on MPE V/E, T-MIT and later operating systems
which allow user defined terminal types created with the workstation Configurator. It is shipped on MPE
V T-MIT and later installation tapes. It is used for HP direct connect and remote spooled printers such as
the 256X and 293X printers.
printer settings.
Flow Control:
Block Mode:
Read Trigger:
Special Characters:
Stripped Characters:
Terminal Control:
Printer Control:
Considerations:
The difference between this termtype and termtype 19 is that this one
contains less printer initialization. This makes it simpler for the user or programmer to select desire
XON/XOFF with timer disabled.
Not supported.
DC1 character (XON character).
Standard control characters for HP
terminals are used. These include control
sequences for console attention, backspace,
cancel, end-of-record and subsystem break.
XON/XOFF if handshake disabled, subsystem
break if disabled, NUL, DEL.
Initial echo on, form feed allowed in
output data, line feed accepted in input
data, no system response to backspace,
7 data bits, odd parity.
Printer initialization to hard reset,
disable display functions mode, enable
auto perf-skip.
TTPCL19 contains the same status checks
as termtype 19. Because there are no
controls sequences to tell the printer
what column to start in, what line spacing
to use, what slew should be used, what
pitch or character set the printer
should have, the printer can be set
directly, giving users more flexibility
and control.
16
Terminal Type 20
This terminal type is supported with device type 32 on MPE V/E, T-MIT and later operating systems
using ADCC or ATP controllers. It is used for HP printers such at the 256X, 263X and 293X series
printers where 8 data bits are required. It is not supported as a remote printer termtype.
Flow Control:
Block Mode:
Read Trigger:
Special Characters:
Stripped Characters:
Terminal Control:
Printer Control:
Considerations:
XON/XOFF with timer disabled.
Not supported.
DC1 character (XON character).
Standard control characters for HP
terminals are used. These include control
sequences for console attention, backspace,
cancel, end-of-record and subsystem break.
XON/XOFF if handshake disabled, subsystem
break if disabled, NUL, DEL.
Initial echo on, form feed allowed in
output data, line feed accepted in input
data, no system response to backspace,
8 data bits, no parity.
Printer initialization to disable display
functions mode, enable HP terminal mode,
turn off underlining, set ROM 1 to secondary
character set, set ROM 2 to primary
character set, set pitch to 10.0, set
line spacing to 6 lines per inch, clear
horizontal tabs, set right margin, set
left margin, hard reset, slew 1 line at
line feed, turn on auto perf-skip, enable
char set selection control.
Termtype 20 is used primarily for NLS/3000
where 8 data bits are required. Other
than this, it is the same as termtype 19
with status requests sent after each line
feed and XOFF.
17
Terminal Type 21
Mo, A
This terminal type 15 supported with device type 32 on MPE V/E, T-MIT and later operating systems
using ADCC or ATP controllers. It is used for HP printers such as the 256X, 263X and 293X series
spooled printers. Its primary use 18 to allow the use of embedded printer control escape sequences in the
data which may cause errors with termtype 19 because of status checks after each XOFF. о,
Flow Control: XON/XOFF with 60 second timer enabled
upon receipt of each XOFF. If an XON
is not received in 60 seconds, a message
is displayed on the console and the CPU .
continues to wait for the XON.
Block Mode: | Not supported.
Read Trigger: DC1 character (XON character).
Special Characters: Standard control characters for HP
terminals are used. These include control
sequences for console attention, backspace,
cancel, end-of-record and subsystem break.
Stripped Characters: XON/XOFF if handshake disabled, subsystem
break if disabled, NUL, DEL.
Terminal Control: Initial echo on, form feed allowed in
output data, line feed accepted in input
data, no system response to a backspace,
7 data bits, odd parity.
Printer Control: Printer initialization to disable display
functions, disable automatic underlining,
enable "permanently on" underline mode,
set secondary character set to Math, set
primary set to default, enable SI/SO mode,
Shift In, enable permanent SI/SO selection,
select character ROM O if ROM 1 is empty,
set pitch to 10.0, set line spacing to 6
lines per inch, enable perforation skip
mode, clear vertical tabs, slew 1 line at
line feed, clear horizontal tabs, enable
end-of-line wraparound mode, and set left
margin to column 1.
Considerations: This terminal type enables you to insert printer
control escape sequences into data. If this is
done using terminal type 19, a printer error may
occur is a status request, as a result of an XOFF,
is sent in the middle of the embedded escape
sequence. Terminal type 21 is also useful in
remote applications where a status request may
not be answered in less than 10 seconds, which
causes a spoolee I/O error. This is typically
seen when the printer is remote and passes
through a statistical multiplexer. Termtype 21
does not send a status request after an XOFF.
18
Terminal Type 22
This terminal type is supported with device type 32 on MPE V/E, T-MIT and later operating systems
using ADCC or ATP controllers. It is used for HP direct connect printers such as the 256X, 263X and
293X series spooled printers where 8 data bits are required. It also allows embedded printer control
escape sequences because it does not perform status checks after each XOFF. as |
Flow Control:
Block Mode:
Read Trigger:
Special Characters:
Stripped Characters:
Terminal Control:
Printer Control:
Considerations:
XON/XOFF with 60 second timer enabled
upon receipt of each XOFF. If an XON
is not received in 60 seconds, a message
is displayed on the console and the CPU
continues to wait for the XON.
Not supported.
DC1 character (XON character).
Standard control characters for HP
terminals are used. These include control
sequences for console attention, backspace,
cancel, end-of-record and subsystem break.
XON/XOFF if handshake disabled, subsystem
break if disabled, NUL, DEL.
Initial echo on, form feed allowed in
output data, line feed accepted in input
data, no system response to a backspace,
8 data bits, no parity.
Printer initialization to disable display
functions, disable automatic underlining,
enable “permanently on” underline mode,
set secondary character set to Math, set
primary set to default, enable 8-bit mode,
enable permanent SI/SO selection,
select character ROM O if ROM 1 is empty,
set pitch to 10.0, set line spacing to 6
lines per inch, enable perforation skip
mode, clear vertical tabs, slaw 1 line at
line feed, clear horizontal tabs, enable
end-of-line wraparound mode, and set left
margin to column 1.
This terminal type is used for NLS/3000
or extended character sets where embedded
printer control will be used. It is
also highly recommended for 2631B or
293X printers over a statistical
multiplexer.
19
Terminal Type TTPCL22
This terminal type is supported with device type 32 on MPE V/E, T-MIT and later operating systems
which allow user defined terminal types created with the workstation configurator. It is shipped on MPE
V T-MIT and later installation tapes. It is used for HP direct connect printers that need termtype 20 or
22, but without any undesirable printer initialization. | |
Flow Control: XON/XOFF with 60 second time enabled
upon receipt of each XOFF. If an XON is
not received in 60 seconds, a message is о
displayed on the console and the CPU
continues to wait for the XON.
E |
Block Mode: = Not supported.
Read Trigger: | DCt character (XON character)
Special Characters: Standard control characters for HP
terminals are used. These include control
sequences for console attention, backspace,
cancel, end-of-record and subsystem break.
Stripped Characters: XON/XOFF if handshake disabled, subsystem
break if disabled, NUL, DEL.
Terminal Control: Initial echo on, form feed allowed in
output data, line feed accepted as input O
data, no system response to a backspace, |
8 data bits, no parity.
Printer Control: Printer initialization to hard reset,
disable display functions mode, enable
auto perf-skip.
Considerations: TTPCL22 contains the same characteristics
as terminal type 22 except for printer
initialization. The printer control on
TTPCL22 allows users to set characteristics
directly, allowing them more flexibility
and control. This terminal type is also
recommended for HP serial printers .
connected over a statistical multiplexer.
20
Terminal Type 24
This terminal type. is used for X.25 PAD (Packet Assembler/Disassembler) access on versions of X.25
software beginning with B.01.00.
It is used for VPLUS applications with 2622A, 2623A, 2624B (with
‘the proper ROM versions), 2625A, 2627A, 2628A, 239X and 150 terminals.
row Control:
Block Mode:
Read Trigger:
Special Characters:
Stripped Characters:
Terminal Control:
Printer Control:
Considerations:
Both the X.25 PAD and the HP terminal
- should be set to XON/XOFF flow control.
VPLUS applications only. There is NO
DC2 alert or DC1 trigger.
.None.
Standard control characters for backspace,
cancel, end-of-record, and subsystem
break. Note that these characters may
have significance to the X.25 PAD.
None.
Is controlled by the X.25 PAD. Echo
is done by the PAD and initially set
on by X.25 software.
None.
Terminal type 24 is recognized only by
the IOPADO driver for X.25 PAD access.
If used on MPE V/E or later, there is a
delay protocol that has been added which
will cause the display output to pause
for .3 seconds at every linefeed.
21
Terminal Type 26
This terminal type is supported with device type 32 on MPE UB-Delta-3 and later operating systems
using ADCC or ATP controllers. It was initially released with limited support for ATP controllers on
MPE UB-Delta-1. It is used for HP direct-connect printers and HP printers connected over the
HP2334A Plus Statistical Multiplexers. The UB-Delta-1 MPE Communicator (P/N 5958-3153) contains
an article introducing terminal type 26 and explaining its operation in detail. This terminal type uses 8
data bits and allows embedded printer control escape sequences as it does not do status checks after each
XOFF.
Flow Control:
Block Mode:
Read Trigger:
Special Characters:
Stripped Characters:
Terminal Control:
Printer Control:
Considerations:
XON/XOFF with 60 second timer enabled upon receipt
of each XOFF. If an XON is not received in 60
seconds, a message is displayed on the console. This
process is repeated up to 10 times; then aborted and
the port is disconnected.
Not supported.
DC1 character (XON character).
Standard control characters for HP terminals are
used. These include control sequences for console
attention, backspace, cancel, end-of-record and
subsystem break.
XON/XOFF characters if handshake disabled,
subsystem break if disabled, NUL, DEL.
Initial echo on, form feed allowed in output data,
line feed accepted in input data, no system response
to a backspace, 8 data bits, no parity.
Printer initialization to disable display functions,
disable automatic underlining, enable “permanently on"
underline mode, set secondary character set to Math,
set primary set to default, enable 8-bit mode, enable
permanent SI/SO selection, select character ROM O if
ROM 1 is empty, set pitch to 10.0, set line spacing
to 6 lines per inch, enable perforation skip mode,
clear vertical tabs, slew 1 line at line feed, clear
horizontal tabs, enable end-of-line wraparound mode,
and set left margin to column 1.
This terminal type provides increased throughput over
datacomm networks because of fewer status requests.
One status request is sent at the beginning of the
spoolfile and two at the end. TT26 is more forgiving
of delays in datacomm networks because the status
request timer has been increased from 10 to 60 seconds,
reducing the exposure to spoolee 1/0 error %53 caused
by the status request timing out.
22
| Terminal Type TTPCL26
This terminal type is supported with device type 32 on MPE UB-Delta-3 and later operating systems
using ADCC or ATP controllers. It was initially released with limited support for ATP controllers on
MPE UB-Delta-1. It is used for HP printers connected over the HP2334A Multimux in a buffered
network environment. The UB-Delta-1 MPE Communicator (P/N 5958-3153) contains an article
introducing terminal type TTPCL26 and explaining its operation in detail. This terminal type uses 8 data
bits and allows embedded printer control escape sequences as it does not do status check after each XOFF.
This terminal type does not contain most of the printer initialization done by TT26.
Flow Control: XON/XOFF with 60 second timer enabled upon receipt"
of each XOFF. If an XON is not received in 60
seconds, a message is displayed on the console. This
process is repeated up to 10 times; then aborted and
the port is disconnected. |
Block Mode: - Not supported.
Read Trigger: DC1 character (XON character).
Special Characters: ‘Standard control characters for HP terminals are
used. These include control sequences for console
. attention, backspace, cancel, end-of-record and
subsystem break.
Stripped Characters: - XON/XOFF characters if handshake disabled, subsystem
break if disabled, NUL, DEL.
Terminal Control: Initial echo on, form feed allowed in output data,
п line feed accepted in input data, no system response
to a backspace, 8 data bits, no parity.
Printer Control: Printer initialization to disable display functions
mode, perform a hard reset, and enable perforation
skip mode.
Considerations: - - This terminal type provides increased throughput over
datacomm networks because of fewer status requests.
One status request is sent at the beginning of the
spoolfile and two at the end. TTPCI.26 is more forgiving
of delays in datacomm networks because the status
request timer has been increased from 10 to 60 seconds,
reducing the exposure to spoolee I/0 error %53 caused
by the status request timing out. The LaserJet 2000
(2684A) and RuggedWriter 480 (2235A) printers use this
terminal type when connected directly to the system.
23
Terminal Type 31
This terminal type is supported with device type 16 on all versions of MPE for ADCC and ATP O
controllers. This is the default terminal type that is used if the I/O configuration contains an invalid
terminal type name or file. It is the same as termtype 18 except for system response to a backspace,
which is a slash character. | -
Flow Control: XON/XOFF with timer disabled.
Block Mode: Not supported.
Read Trigger: NUL
Special Characters: Standard control characters for HP
terminals are used. These include control
sequences for console attention, backspace,
cancel, end-of-record and subsystem break.
Stripped Characters: | XON/XOFF if handshake disabled, subsystem
: break if disabled, NUL, DEL.
Terminal Control: Initial echo on, line feed accepted
during input data, form feed allowed in
output data, system response to a backspace
is a backslash character. 7 databits
recognized.
Printer Control: None.
Considerations: If users ever complain of a backslash
appearing every time they hit the
backspace key, remember that you
probably have an invalid terminal type
name or file.
24
Terminal Type TT7550 | Ш Eo
This terminal type was developed to support the HP 7550A Plotter as a spooled device when configured as
. device type 32 on MPE V-Delta-1 and later operating systems using ADCC or ATP controllers. The
UB-Delta-2 MPE Communicator (P/N 5958-3156) contains an article, "What’s New in HP 3000 Graphics
Products", that discusses the versions of the graphics products necessary to run the spooled plotter.
Flow Control: XON/XOFF with timer disabled.
' Block Mode: — Not supported. |
, Read Trigger: NUL |
Special Characters: Standard control characters for HP terminals are
used. These include control sequences for console
attention, backspace, cancel, end-of-record and
subsystem break.
| Stripped Characters: XON /XOFF characters if handshake disabled,
- subsystem break if disabled, NUL, DEL.
Terminal Control: Initial echo on, form feed allowed in output data,
line feed accepted in input data, no system response
to a backspace, 7 data bits, no parity.
Plotter Control: | Plotter initialization to enable the plotter to accept
0 data, select a 5 millisecond intercharacter delay,
select DC1/DC3 characters as XON/XOFF characters, set
80 byte XOFF threshold level, and perform a hard reset.
Considerations: . The system manager can modify the SYSSTART file to
| automatically issue the :HEADOFF ldev# command to
suppress the spooler banner page. As an alternative to
modifying SYSSTART, an OPTION LOGON UDC for the system
“operator can issue the :HEADOFF ldev# command. The
HP7550 is supported only for direct connect at one data
transfer rate: 9600 baud. Modems, multiplexers, data
switches and PBXs cannot be connected between the
plotter and the HP3000.
If the system is on MPE UB-Delta-2 through V-MIT,
patch HP7550 can be installed to allow support of
. the spooled HP7550. If you have an ATP port, the
. firmware levels supporting the spooled HPT550 are
Pass 3 and later. Please contact Hewlett-Packard
if you need more information on this patch.
25
User Defined Terminal Types _
User defined terminal types are. supported on MPE V/E, T-MIT and later, operating systems on ADCC
and ATP terminal controllers. They are created by a local area office or by purchasing the workstation
configurator, (ttutil. pub. sys). This product is used to create any desired terminal type characteristic. This
can be flow control, block mode support, read trigger, special characters etc. The most useful advantage
however, is probable vertical forms control. Different VFC files can be set up to initialize printers in
different ways.
With the workstation configurator, different VFC files can be used with any given output file using the
ENYV parameter of the file equation. This enables users to send any valid escape sequence to the device at
spoolfile initialization. These escape sequences can position the cursor, define the character set, set up line
spacing, pitch, slew, etc. It also allows the same port to be used in a number of different ways without
reconfiguring.
With different devices coming out, the workstation configurator will allow users to easily modify
termtype characteristics suited to a particular device. In the past, new devices were introduced with
options that were not available because of the terminal type needed to make the device work. The
workstation configurator has been helpful in instantly creating a terminal type that will allow all device
characteristics to be used.
Considerations: | Workstation Configurator termtype files
will show up with 2 question marks in
the assigned termtype field of a sysdump
listing. Make sure a record of the
current termtype exists.
Problems may occur with Workstation
Configurator files used with terminals
running applications such as Deskmanager
or Slate. These products do an fcontrol
to find out the terminal type and are
returned a 0 because a Workstation
Configurator terminal type file is not
expected. Because a 0 is returned,
Slate and Desk think they are being run
from a dumb terminal, and they may not
_ work if the application is block mode.
26
There are a variety of escape sequences that are sent to serial printers at the beginning of each spoolfile.
The particular sequences that are sent depend on the terminal type file being used. The escape sequences
that are sent with the standard Hewlett-Packard terminal type files are listed in the following charts.
ESCAPE SEQUENCE INITIALIZATION STRING SENT FROM TT19 AND TT21
File Name: VFC31B7.PUB.SYS
Escape Printer
Sequence Definition Group*
ESC Z Turn display functions mode off ~~ ABC
ESC &d@ Disable automatic underlining ABC
ESC &k1E Enable "permanently on" underlining AB
- mode (terminal compatibility) |
ESC )A Select Math Symbols as secondary ABC
| character font |
ESC (€ Select default primary character set ABC
ESC &kOI Enable Shift-In/Shift-Out mode A
for character set selection
SI Shift-In (print from primary character ABC
set)
ESC &k1F Enable permanent SI/SO selection A B
(terminal compatibility)
ESC ks1I Default to ROM location "0" if A
ROM location "1" is empty
ESC &kOS Select standard print pitch (10 cpi) ABC
ESC &16D Set line spacing to 6 lines per inch ABC
ESC &11L Enable perforation skip mode ABC
ESC &13M Clear all vertical tabs AB
ESC £10N Line feed character (LF) performs a A
single line slew (not vertical tab)
ESC 3 Clear all horizontal tabs. AB
ESC ks0C Enable end-of-line wraparound mode A B
ESC &all Set left margin to column 1 ABC
* Printer Groups: A - 263X
B - 293X
| C - 256X
These terminal types are not appropriate for
the LaserJet series or RuggedWriter printers.
27
ESCAPE SEQUENCE INITIALIZATION STRING SENT FROM TT20, TT22, AND TT26
File Name: VFC31B8.PUB.SYS
Escape Printer
Sequence Definition Groups
ESC Z Turn display functions mode off ABCDE
ESC &d@ Disable automatic underlining — ABCDE
ESC &k1E Enable “permanently on" underlining AB E
mode (terminal compatibility) >
ESC )A Select Math Symbols as secondary ABCD
a character font
ESC (€ Select default primary character set ABCD a»
ESC &k11 Enable 8-Bit mode for character A
set selection
ESC &k1F Enable permanent SI/SO selection AB E
(for terminal compatibility)
ESC &s11 Default to ROM location "0" if A
ROM location "1" is empty
ESC &k0S Select standard print pitch (10 cpi) ABCDE
ESC &16D Set line spacing to 6 lines/inch ABCDE
ESC &11L Enable perforation skip mode ABCDE
ESC &13M Clear all vertical tabs AB
ESC £10N Line feed character (LF) performs a A
single line slew (not vertical tab)
ESC 3 Clear all horizontal tabs AB
ESC &s0C Enable end-of-line wraparound mode AB DE O
ESC kail Set left margin to column 1 ABCDE |
203X
- 293X
- 256X
Laserjet Series (2686A/D, 2684A, 33440A)
RuggedWriter 480 (2235A)
* Printer Groups:
MOO >
** This escape sequence is not documented for the LaserJet
Series II (33440A) or the LaserJet 2000 (2684A) but it
will work. a
28
ESCAPE SEQUENCE INITIALIZATION STRING SENT FROM TTPCL18,
TTPCL19, TTPCL22 AND TTPCL26
File Name: VFCPCL.PUB.SYS
Escape Printer
Sequence Definition Group*
ESC Z — Turn display functions mode off. “ ABCDE
ESC E Set all printer configurations to АВСОЕ ++
, the default state (hard reset) |
ESC &11L Enable perforation skip mode. ABCDE
263X
293X
256X
LaserJet Series (2686A/D, 2684A, 33440A)
RuggedWriter 480 (22354)
: # Printer Groups:
MO Om»
à
## Beware! The normal reaction of a 2631B to this escape sequence
is to go offline. | a
29
Glossary
Backspace Response: When a backspace. is entered, the previous
| character is deleted from the input stream.
Different devices expect slightly different
codes to perform this action and cause the
desired effect. Most commonly, the system
response to a backspace is nothing. With
the Workstation Configurator, you may also
erase the character you backspace to.
Some devices require the "end-of-medium”
character to move the display cursor back.
Hard copy terminals generally require a
line feed to move the print head one space
down, so data is_not overprinted. For
devices which can not physically move the
print head backward, an option is available
in which the driver responds to each
backspace by sending a slash character,
followed by the character deleted, which
will then give the user some idea of how
many characters have been deleted.
Block Mode: Block Mode is a method of transferring
data from the terminal to the computer.
Instead of sending each character as it O
is typed, the terminal buffers a line or
more of data and sends the entire block
when the user has pressed ENTER. With the
Workstation Configurator, you have the
ability to specify the type of block
mode supported, along with defining the
alert and block trigger characters.
Delay Protocol: The delay protocol is a method of control
intended for printers where the print head
must physically return when a line feed or
form feed is encountered. The extra time
required for this physical movement of the
print head may result in data overrun or
overprinting unless the delay protocol is
added. With the Workstation Configurator,
the delay flow control and delay time
variable are optional.
Echo: When the terminal is in remote mode, in
character mode, and local mode is disabled,
characters typed on the keyboard are not
placed in the display by the terminal.
The computer must echo (or send back to
the terminal) each character as it is
received. When it is desired that the
characters typed not be displayed, such
as when entering a password, each may be
disabled.
30
Enquiry/Acknowledge:
Flow Control:
Line Feed in Input:
Parity:
Form Feed in Output:
The ENQ/ACK protocol is a flow control
method that is controlled by the driver.
When writing data to the terminal, the
driver breaks the data into blocks. After
each block has been written, the driver
sends an enquiry character to the device
and waits for an acknowledgment character
to come back to the computer. When the
device sees the enquiry character, it
responds with the acknowledge character
if it can accept the next full block of
data. If not, the device waits until it
can accept the next block with an
acknowledge. With the Workstation
Configurator, the device can be configured
so the CPU will send another block or
another enquiry if no acknowledge is
is received within the 10 second time out.
Flow Control is the method by which the
flow of data between the computer and the
terminal device may be controlled so as
to avoid sending data faster than the
receiver can handle it. ENQ/ACK, XON/XOFF,
delay, read trigger and block mode reads
are various methods of handling flow
control on an HP3000 asynchronous port.
Some devices do not recognize and act
upon the form feed character in a useful
manner. One of the terminal type
characteristics available specifies that
each form feed character in the outgoing
data stream may be replaced with a
different character. Usually this is
the line feed character.
Some devices do not provide an automatic
wraparound when typing characters beyond
the end of a display line. Without the
wraparound, typing at the end of the line
places each character upon all previously
typed characters in the last position of
of the display line. To resolve this
problem, the line feed character may be
selected as a special character. Receipt
of the line feed character causes the HP
3000 to echo the line feed, write a
carriage return character to the terminal
and remove the line feed character from
the input data.
Parity is a means of verifying that data
is transmitted between the terminal and
computer without error. These bits may
all be used for the character code (with
256 possible character codes available),
or 7 bits used for the character code
(allowing 128 characters) and the eighth
bit used as a parity bit.
If 7 data bits are used, there are 4
possible parity settings: force to 0
31
Printer Control:
Read Trigger:
Special Characters:
Stripped Characters:
where the parity bit is set to either O
or 1 so that the total number of 1 bits
in the 8 bit character is wither even or
odd, depending on the parity type enabled.
When a printer is shared among users, each
user may want to use the printer in a
different way, and consequently alter
the settings on the printer by direct
changes or escape sequences. The user
may change characteristics such as margins,
tabs, print density and pitch, thus
affecting the next user who does not
necessarily want those characteristics.
To prevent one user from affecting the
next user, the printer must be initialized
to a default known state before printing
the next job. When the device open occurs
on a type 32 device, the port controller
software writes an initialization
character string to the device. This
string is determined by the currently
active terminal type.
The read trigger is used to tell the
terminal device when it should start to
send characters to the HP3000. In other
words, it is a method of preventing a
device from sending input characters
before the HP3000 is ready to accept them.
Once the HP3000 sends the read trigger
character, input can proceed.
There are several characters which have
special significance to the terminal
driver. These characters cause the
driver to take special actions. With
the Workstation Configurator, you are
able to define the characters that cause
each of the following special actions:
console attention, backspace cancel,
end-of-record and subsystem break.
With the Workstation Configurator, you
are able to define a set of characters
which have no special function other
than to be removed from the input data.
When these characters are typed, they are
ignored and do not show up in the data
read. For example, if the XON/XOFF flow
control is not enabled, then one of the
terminal type options allows you to specify
that XON and XOFF be stripped from input.
If a subsystem break character is entered
when subsystem breaks are not enabled, the
character may be removed from the input
stream. If the console attention
character is entered from a terminal
which is not the console, it may be
ignored or treated as a data character.
32
Terminal Control:
Vertical Formats:
XON/XOFF Protocol:
There are several characteristics which
allow you to have some control over the
terminal. With the Workstation
Configurator you are able to control each
of the following terminal type char
Echo, line feed during input, form feed
during output, backspace response and
parity.
Many printers allow the use of Vertical
Format Control (VFC). VFCs allow a
programmer to instruct a printer to skip
to predetermined lines on a page with
certain carriage control directives rather
than counting and outputing a number of
of blank lines.
With the Workstation Configurator, each
VFC character sequence (up to a maximum
of 16 characters each) may be defined.
When one of the VFC carriage controls is
used (%300 to %317), the driver generates
the character sequence necessary to move
the printer carriage to the proper channel.
For further information on Vertical Format
Control, refer to the "MPE V System
Operation and REsource Management Manual".
In contrast to the other methods, this
is controlled by the terminal device.
The driver sends data to the device in a
continuous stream. If the device can no
longer accept data (because of being put
offline, filling its buffer, running out
of paper, etc), it sends the XOFF character
to the driver. The driver then stops
sending data to the device. When the
device is able to accept data again, it
sends the XON character to the driver and
the driver resumes data transmission to
the device.
With the Workstation Configurator, you
specify whether a timer should be started
when the XOFF character is received. If
a timer is started and the time expires
before the XON character is received, a
message is printed on the console stating
that the device is offline. The timer
duration can be specified from 1 to 255
seconds.
33
- - BACK ISSUE INFORMATION
Following is a list of the Application Notes published to date. If you would like to order single copies of
back issues please use the Reader Comment Sheet attached and indicate the number(s) of the note(s) you
need. ue | ВЕ В | 9
Note # Published‘ Topic
7 2/21/85 Printer Configuration Guide (superseded by note #4)
2 10/15/85 Terminal types for HP 3000. HPIB Computers (superseded by note #13)
3 4/01/86 Plotter Configuration Guide
4 4/15/86 Printer Configuration Guide - Revised | '
5 5/01/86 MPE System Logfile Record Formats
6 5/15/86 Stack Operation
7 6/01/86 - COBOL II/ 3000 Programs: Tracing Illegal Data a
8 6/15/86 KSAM Topics: COBOL's Index 1/0; File Data Integrity
9 7/01/86: Port Failures, Terminal Hangs, TERMDSM
10 7/15/86 Serial Printers - Configuration, Cabling, Muxes
11 8/01/86 System Configuration or System Table Related Errors
12 8/15/86 Pascal/ 3000 - Using Dynamic Variables |
13 9/01/86 Terminal Types for HP 3000 HPIB Computers - Revised
14 9/15/86 Laser Printers - A Software and Hardware Overview
15 10/01/86 FORTRAN Language Considerations - A Guide to Common Problems
16 10/15/86 IMAGE: Updating to TurboIM AGE & Improving Data Base Loads
17 11/01/86 Optimizing VPLUS Utilization
18 11/15/86 The Case of the Suspect Track for 792X Disc Drives
19 12/01/86 Stack Overflows: Causes & Cures for COBOL 11 Programs
20 1/01/87 Output Spooling
21 1/15/87 COBOLII and MPE Intrinsics
22 2/15/87 Asynchronous Modems
23 3/01/87 VFC Files
24 3/15/87 Private Volumes
25 4/01/87 TurboIMAGE: Transaction Logging
26 4/15/87 HP 2680A, 2688A Error Trailers
27 5/01/87 HPTrend: An Installation and Problem Solving Guide
28 5/15/87 The Startup State Configurator
29 6/01/87 A Programmer's Guide to VPLUS/ 3000
30 6/15/87 Disc Cache
31 7/01/87 Calling the CRE ATEPROCESS Intrinsic
32 7/15/87 Configuring Terminal Buffers
33 8/15/87 Printer Configuration Guide
34 9/01/87 RIN Management (Using COBOLII Examples) (A)
34 10/01/87 Process Handling (Using COBOLII Examples) (B) :
35 10/15/87 HPDESK IV (Script files, FSC, and Installation Considerations)
34 11/01/87 Extra Data Segments (Using COBOLII Examples) (C)
36 12/01/87 Tips for the DESK IV Administrators :
37 12/15/87 AUTOINST: Trouble -free Updates
38 1/01/88 Store/ Restore Errors
39 1/15/88 MRJE Emulates a HASP Workstation
40 2/01/88 HP 250 / 260 to HP 3000 Communications Guidelines
41 4/01/88 MPE File Label Revealed - Revised 6/15/88
42 7/15/88 System Interrupts
43 7/15/88 Run Time Aborts
44 8/01/88 HPPA Pathing Conventions For HP 3000 900 Series Processors
45 8/15/88 Vplus & Multiplexers
46 8/15/88 Setting Up An HPDesk/HPTelex For The First Time
47 9/15/88 Customizing Database Data Items & Changing Passwords in JCL Files
48 11/15/88 Printer Configuration (Revision #4)
49 12/01/88 Configuring DAT ACOMM Products into MPE
50 12/15/88 VFC's For Serial Printers
51 1/01/89 Terminal Types for HP 3000 HPIB Computers
READER COMMENT SHEET
Worldwide Response Center Support
HP 3000 Application Note #51. Terminal Types for HP3000 HPIB Computers
RC Questions & Answers (January 1, 1989)
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‚ Document B/N #5959-9237 | _ January 1, 1989
PACKARD RESPONSE CENTER Questions & ANSWERS
HP 3000 Questions Commonly Received by the North American Response Centers
“Q I was shutting down my HP3000 when I received the following messages: -
; MEMORY LOGGING ERROR NUMBER 1 ВЕ
LOGGING STOPPED
MEMORY LOGGING ERROR NUMBER 72
LOGGING STOPPED
E > no What do these error messages mean?
ah.
A Memory y logging à isa process which is activated regularly to record error information detected by the
HP3000's main memory. If the memory logging process is activated at the time a shutdown is in
process, the files used for memory logging may be locked or the detection and retrieval processes may
have terminated. H this happens, the memory logging process will issue the error messages above.
o Problems are seldom- associated with these error messages After you restart the machine, run
- A PUB, SYS to examine the logged memory errors, if any. If you have more than 15
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и new disc to my. system, and have e added it into-the volume table in SYSDUMP, When I
CRE En valume table in SYSDUMP, the LDEV for that disc shows as 0, The new disc is on ный
| ve, and 1 do not have an LDEV 0, What is * happening?
€ me cated, be Mi de Ea i powered up and is online. During the: Marto, я В
the label on the pack 1 and | ask if you want to add it to the system. Answer...
EERE AER
AM} GE condition word. 17. on > DBGET mt | =. What.‘
— Document P/N $5959-9237 A January 1, 1989
a HEWLETT
PACKARD RESPONSE Center Questions & Answers
HP 3000 Questions" Commonly Received by the North American Response Centers
PC QUESTIONS AND ANSWERS
| Q. How do you create a RAM disk through MSDOS? В
A. To create a RAM disk through MSDOS, use the VDISK. SYS driver included with your operating
system. - You should add the VDISK. SYS driver to your CONFIG.SYS file. When you load the driver,
you can specify the virtual disk size, sector size, directory entries and maximum number of data
segments through VDISK parameters. You can also specify that you want to create the RAM disk in
extended memory.
It is important to remember that any data located on a RAM disk will be lost when you power your
PC down. For detailed information on VDISK.SYS and its parameters, refer to your MSDOS USER'S
MANUAL (HP part number 45951-90077).
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| O Q. I am having intermittant problems with a parallel port timing out during printing. I am receiving
the following error message:
WRITE FAULT ERROR WRITING DEVICE LPTX
ABORT, RETRY or IGNORE?
A. You can help to avoid time-out problems on parallel ports by issuing a mode statement for the port in
your AUTOEXEC. BAT file:
MODE LPTX: P
The P option causes MODE to continually retry sending output to the printer if a time-out occurs.
You need to replace the X in LPTX with the port number of the parallel port having problems.
à + + * à à à
Q. How can I put an HP QuietJet printer in alternate (Epson) mode?
A. To put the QuietJet printer into alternate mode, you must set switch 5 on Switch Bank À to the "up"
position. Switch Bank A is the bank of switches on your left as you look at the printer.
Remember to cycle power to the printer off/on after changing the switches.
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Q. How can 1 get an ASCIL, BRW, or - HPAccess Reportwriter tile into Lotus when 1 pa text and
numbers to convert correctly. into labels a and values? . | | | o Ио
A. This can be a need particularly if you do not want to-download all the Image records to the pc, but
rather have a summary ASCII file, created by BRW or the HPAccess-Reportwriter. You can use the
Lotus /FILE IMPORT TEXT command, which first puts all records into one column as a label In
Lotus (version 2.01 only), you then invoke /DATA PARSE to convert the information into a standard *
Lotus worksheet or database. This breaks up the long labels into individual cells, usefúl if you neéd to
perform any numeric calculations. | 4
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