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Seagate ST32272N User`s manual
MASS STORAGE MODULE
MSM-2000
USER’S MANUAL
208817 Rev A
FORCE COMPUTERS Inc./GmbH
All Rights Reserved
This document shall not be duplicated, nor its contents used for
any purpose, unless written permission has been granted.
Copyright by FORCE COMPUTERS
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MAIN OFFICES
Headquarters
Branch Offices
Corporate Headquarters
FORCE COMPUTERS Inc.
2001 Logic Drive
San Jose, CA 95124-3468
U.S.A.
Phone : (408) 369-6000
FAX : (408) 371-3382
FORCE COMPUTERS S.A.R.L
Le Volta
17-19 Rue. Jeanne Braconnier
F-92366 Meudon-La-Foret/ Cedex
France
Phone : (33) 1 41 07 95 15
FAX : (33) 1 45 37 06 19
European Headquarters
FORCE COMPUTERS GmbH
Prof.-Messerschmitt-Str. 1
D-85579 Neubiberg/Munchen
Germany
Phone : (49) 89 608-14-0
FAX : (49) 89 609 77 93
FORCE COMPUTERS UK Ltd.
Alton House Office Park
Gateway House
Aulesbury, Bucks. HP19 3XU
England
Phone : (44) 12 96 31 0400
FAX : (44) 12 96 31 0420
Japanese Headquarters
FORCE COMPUTERS Japan KK
Miyakeya Building 4F
1-9-12 Hamamatsu-cho
Minato-ku Tokyo 105 Japan
Japan
Phone : (81) 3 3437 3948
FAX : (81) 3 3437 3968
FORCE COMPUTERS UK Ltd. (Sweeden)
Riksapplet, Marinens vag 30
S-13640 Haninge
Sweeden
Phone : (08) 707 30 50
FAX : (08) 707 30 51
FORCE COMPUTERS Inc. (Latin America)
3939 Beltline Road, Suite 570
Dallas, TX 75244-2217
Phone : (214) 243-1888
FAX : (214) 243-6971
N O T E: The information in this document has been carefully checked and is believed to be entirely reliable. FORCE
COMPUTERS makes no warranty of any kind with regard to the material in this document, and assumes no responsibility for any
errors which may appear in this document. FORCE COMPUTERS reserves the right to make changes without notice to this, or any
of its products, to improve reliability, performance, or design.
FORCE COMPUTERS assumes no responsibility for the use of any circuitry other than circuitry which is part of a product of
FORCE COMPUTERS Inc./GmbH. FORCE COMPUTERS does not convey to the purchaser of the product described herein any
license under the patent rights of FORCE COMPUTERS Inc./GmbH nor the rights of others.
TABLE OF CONTENTS
General Information 10
Specifications 12
General MSM Specifications 12
Floppy Disk Specifications 12
Hard Disk Specifications 13
Installation Instructions 14
Installation Considerations 14
Floppy Drive Configuration 14
MTR_ON Jumper field 15
Hard Disk Configuration 15
SCSI Bus Termination 15
Disk Formatting 15
Cabling Diagrams 16
Hardware User’s Manual 20
P1 Pin Definitions (Both P1 Connectors Identical) 22
P2 Pin Definitions (Both P2 Connectors Identical) 23
Floppy Disk Interface Signals 25
Hard Disk Interface Signals 27
SCSI Bus Termination 28
Schematics 28
Copies of Device Data Sheets 30
Customer Product Error Report 32
iv
TABLE OF CONTENTS
v
LIST OF TABLES
Table 1:
Table 2:
Table 3:
Table 4:
Table 5:
Table 6:
General Specifications . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Floppy Disk Specifications. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Hard Disk Specifications . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
P2 Pin Definitions. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Floppy Disk Interface Signals . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Hard Disk Interface Signals . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
12
12
13
23
25
27
User’s Manual
MSM-2000
1.0 General Information
The Force Mass Storage Module (MSM) is a high quality, highly reliable, VMEbus form factor module
that provides up to 2 Gigabytes of 3.5" SCSI Hard Disk drive and a 2 MB (unformatted) Slim line 3.5"
Floppy Drive in a two slot package. The MSM is cable compatible with Force SPARC Single Board Computers.
The MSM combines popular 3.5" products into a package that can be put into a VMEbus backplane and be
connected to various Force single board computers with a single 64 pin flat cable. Other SCSI and SA460
disk controllers can be used by using the IOPI backpanel and cabling.
All P2 connections are passed through the MSM to allow multiple MSMs to be cascaded for additional
capacity and flexibility. In addition, both P1 connectors pass the four Bus Grant signals and the daisy
chain IACK signal. In case one needs to use the serial or parallel signals, or to interface to another floppy
or SCSI interface device an IOPI can be inserted into the second P2 and then a standard SCSI and floppy
interface cables can be used.
The mechanical assembly is adjustable to insure proper spacing and compliance to the VMEbus form factor. Power is drawn from the +5V and +12V pins on the VME P1 connectors.
CAUTION: Please allow 25 Seconds MINIMUM spin down before removal.
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MSM-2000
2.0 Specifications
2.1
General MSM Specifications
Table 1: General Specifications
2.2
MSM Model Number
MSM 2000
Mechanical Info
Double Eurocard 2 Slot
Dimensions (in) HxDxW
10.31 x 7.43 x 1.59
Total Power Consumption
<30 WATTS
DC Requirements
Both P1s Must have all grounds supplied.
+5.0V
<1.44
+12.0V TYP/MAX
.57A/1.9A
Floppy Disk Specifications
Table 2: Floppy Disk Specifications
Manufacture
Sony or Similar
Series Number
MPF920-1
Floppy Disk Capacity
2.0 MB
Disk Size
3.5"
Number of Tracks
160
Rotational Speed(RPM)
300
Data Transfer Rate (Kb/s)
500
Access Time Average (ms)
94
MTBF (power on hour)
30,000
Track Density
135 TPI
DC Requirements (stand-by)
17 mW max.
+5.0V ± 10%
3 mA max. (stand by)
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2.3
User’s Manual
Hard Disk Specifications
Table 3: Hard Disk Specifications
Manufacture
Seagate or Similar
Series/Model Number
ST32272N
Hard Disk Capacity
2 GB
Disk Size
3.5"
Sector Size (Bytes)
512/(factory)
MTBF (power on hours)
1,000,000
Cache Size (Bytes)
512K
Number of Cylinders
26,311
Number of Disk
2
Number of Heads
4
Number of Bytes/Track
124,000 (Average, unformatted)
Number of Blocks/Track (512K)
varies
Average Seek Time (ms)
9.4 (Read), 10.4 (Write)
Track Density (TPI)
6,800
+5.0V ± 5%
.81A
+12.0V Typ/Max ± 10%
.85A
See the hard disk manual within this document for more information.
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User’s Manual
MSM-2000
3.0 Installation Instructions
3.1
Installation Considerations
There are two methods of installing the Force MSM. The most common method is to use the supplied 64
Pin flat cable that is designed to connect P2 of the Force SPARC single board computers to P2 of the
MSM- 1000. Just plug the MSM into two P1 VME slots and connect the 64 Pin flat cable to the P2 connector of the leftmost P2 on the MSM. Insure that there is sufficient clearance on both sides of the MSM
and any other installed devices.
The second method of installing and cabling the MSM is to install an IOPI adapter in the lowest numbered
P2 connector in place of the supplied 64 pin flat cable. This IOPI allows industry standard cabling to be
used to connect to the MSM.
3.2
Floppy Drive Configuration
The Floppy Disk Drive is jumpered to respond to drive select 0 (DS0*). The DS0* input comes from the
MSM backpanel jumperfield J5 and the actual drive select number is determined by which jumper is
inserted in J5; DS3, DS2, DS1 or DS0. Only one of these jumpers can be inserted. The default is DS0.
See the device data sheet in section 3.3 of the Sony Product Specification included in this manual.
Refer to section 3.5.2 and figure 3.3 of the Sony Product Specification for information on the drive select
jumper location and the factory defaults.
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MSM-2000
3.2.1
User’s Manual
MTR_ON Jumper field
Normally the FDD is configured to start the motor when the MTR_ON signal is asserted. For those
boards/drivers that do not drive the MTR_ON signal, the MSM can be jumpered to start the motor on the
Drive Select that is configured on jumperfield J5.
To start the FDD motor with the Drive Select signal, insert a jumper into J6 in the DS position. To select
the FDD motor on the Motor-on signal, insert a jumper into J6 in the MTR position. (This is the default
position). It is recommended that only one jumper be left in J6 because back circuits can be created which
could cause multiple selects.
3.2.2
Hard Disk Configuration
The SCSI Hard Disk Drive can be jumpered for different unit addresses according to the SCSI Target ID's.
See Hard Disk Drive manual for jumper information. The SCSI bus Hard Disk drive can be configured to
respond to unit addresses 0-7. Factory default for Solaris is 3.
3.3
SCSI Bus Termination
Each SCSI BUS signal is terminated at the physical start and the physical end of the SCSI bus. Therefore,
the terminators are removed from the SCSI device to insure that there are no terminators except at each
physical extreme of the bus. A 50 pin terminator is supplied in a bag to terminated the end of the SCSI
bus. Power for the SCSI bus terminators is expected on pin 26 of the SCSI cable and is jumper selectable
on the drive.
3.4
Disk Formatting
The MSM comes standard with a preformatted hard disk for Solaris. See your operating system manuals
for instructions if your drive ever needs reformatting.
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3.5
MSM-2000
Cabling Diagrams
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MSM-2000
User’s Manual
Figure 3-1: Cabling Diagram Method 1 (CPU to MSM direct)
Cabling CPU to MSM Direct
Rear View of the Chassis/Backplane
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Figure 3-2:
MSM-2000
Cabling Diagram Method 2
Cabling Diagram
Side View of the MSM Installed in Chassis
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MSM-2000
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MSM-2000
4.0 Hardware User’s Manual
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4.1
MSM-2000
P1 Pin Definitions (Both P1 Connectors Identical)
The following pins are installed and connected on each P1 connector on the MSM:
Ground - A09,A11,A15,A17,A19,B20,B23,C09 (Connected to GND Plane)
+5V - A32, B32, C32 (Connected to +5V Plane)
+12V - C31 (Connected to +12V Plane)
IACKIN* to IACKOUT* - A21 to A22
BG0IN* to BG0OUT* - B04 to B05
BG1IN* to BG1OUT* - B06 to B07
BG2IN* to BG2OUT* - B08 to B09
BG3IN* to BG3OUT* - B10 to B11
See schematics for further information.
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MSM-2000
4.2
User’s Manual
P2 Pin Definitions (Both P2 Connectors Identical)
Table 4: P2 Pin Definitions
Pin
No.
Page 23
Pin
No.
SIGNAL ROW A
SIGNAL ROW C
1
DATA BUS 0
1
FDD Pin 2 (N/C)
2
DATA BUS 1
2
FDD Pin 4 (N/C)
3
DATA BUS 2
3
FDD Pin 6 (N/C)
4
DATA BUS 3
4
Index-
5
DATA BUS 4
5
Drive Select 0
6
DATA BUS 5
6
Drive Select 1
7
DATA BUS 6
7
FDD Pin 14 (N/C)
8
DATA BUS 7
8
Motor On-
9
DATA BUS P
9
Direction Select-
10
GROUND*
10
Step-
11
GROUND*
11
Write Data-
12
GROUND*
12
Write Gate-
13
TERMPOWER
13
Track 00-
14
GROUND*
14
Write Protected-
15
GROUND*
15
Read Data-
16
ATTENTION
16
Side 1 Select-
17
GROUND*
17
Ready/Disk Change-
18
BUSY
18
N/U Passed Thru
19
ACKNOWLEDGE
19
N/U Passed Thru
20
RESET
20
N/U Passed Thru
21
MESSAGE
21
N/U Passed Thru
22
SELECT
22
N/U Passed Thru
23
CONTROL/DATA
23
N/U Passed Thru
24
REQUEST
24
N/U Passed Thru
25
INPUT/OUTPUT
25
N/U Passed Thru
26
N/U Passed Thru
26
N/U Passed Thru
27
N/U Passed Thru
27
N/U Passed Thru
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MSM-2000
Table 4: P2 Pin Definitions
Pin
No.
SIGNAL ROW A
Pin
No.
SIGNAL ROW C
28
N/U Passed Thru
28
N/U Passed Thru
29
N/U Passed Thru
29
N/U Passed Thru
30
N/U Passed Thru
30
N/U Passed Thru
31
N/U Passed Thru
31
N/U Passed Thru
32
N/U Passed Thru
32
N/U Passed Thru
"N/U Passed Thru" indicates the signal is not used on the MSM but is just passed from one P2 connector to
the other.
GROUND* These Signals are defined as Ground by the SCSI Specification.
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MSM-2000
4.3
User’s Manual
Floppy Disk Interface Signals
The Floppy Disk Interface is a standard SA 460 interface to accommodate industry standard 3.5" slim line
disk drives. The signals are defined as follows:
Table 5: Floppy Disk Interface Signals
Pin
No.
Signal
Name
Pin
No.
Signal
Name
1
NC
2
Not Connected
3
NC
4
Not Connected
5
NC
6
Not Connected
7
Ground
8
Index-
9
Ground
10
Drive Select 0-
11
Ground
12
Drive Select 1
13
Ground
14
Not Connected
15
Ground
16
Motor On-
17
Ground
18
Direction Select-
19
Ground
20
Step-
21
Ground
22
Write Data-
23
Ground
24
Write Gate-
25
Ground
26
Track 00-
27
Ground
28
Write Protected-
29
Ground
30
Read Data-
31
Ground
32
Side 1 Select-
33
Ground
34
*Ready/Disk Change
*Pin 34 can be configured on the drive.
See drive Data Sheet for information.
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MSM-2000
SIGNAL DEFINITIONS:
RESERVED - For future expansion.
INDEX -There is a pulse on this signal to indicate that a hole has been detected in the media. There is one
hole that is used to signal the beginning of a track.
DRIVE SELECT 0-1 There are two drive select signals to select the drive. The MSM jumper (J5) allows
the FDD to respond to one of these drive selects.
MOTOR ON -The spindle motor runs when this signal is active. Some drives may require a delay after
motor on before reads or writes may be attempted.
DIRECTION SELECT- This signal is used to indicate which direction to move the floppy drive heads
when the step signal is issued. When active (-), the heads are moved toward the higher numbered tracks.
STEP - A one microsecond pulse to the floppy drive causes the read/write heads to move one track. The
direction depends upon the direction select signal above.
WRITE DATA -A pulse on this signal causes the floppy disk drive to write a data bit on the media if the
write gate is active.
WRITE GATE -An active level on this pin signals the floppy disk drive to allow writing on the media if
the write data signal is pulsed. Insure that all start-up, head settle times and head load times have been
complied with before issuing this signal.
TRACK 00 -This signal from the floppy disk drive indicates that the heads are positioned at track 00.
WRITE PROTECTED-This signal when low or negative indicates that the media in the drive presently has
the write enable/disable slide in the disable position.
READ DATA -The floppy disk drive will send a pulse on this line when a bit is detected on the media.
SIDE 1 SELECT -This is a signal to the floppy disk drive to select the upper head/head one.
READY/DISK CHANGE- This signal is configurable on the floppy disk drive. When configured for
READY, it indicates that the drive contains the proper media. When configured for DC, it indicates if the
media has been changed since the last time a step pulse has been issued.
DISK CHANGE -This signal comes from the floppy to the controller to indicate whether or not a diskette
has been changed since the last step pulse issued.
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MSM-2000
4.4
User’s Manual
Hard Disk Interface Signals
There are a total of eighteen signals. Nine are used for control, and nine for data. The data bus includes
parity.
Table 6: Hard Disk Interface Signals
Pin
No.
Page 27
Signal
Name
Pin
No.
Signal
Name
1
Ground
2
DATA BUS 0 (DB0)
3
Ground
4
DATA BUS 1
5
Ground
6
DATA BUS 2
7
Ground
8
DATA BUS 3
9
Ground
10
DATA BUS 4
11
Ground
12
DATA BUS 5
13
Ground
14
DATA BUS 6
15
Ground
16
DATA BUS 7 (DB7)
17
Ground
18
DATA BUS P (DBP)
19
Ground
20
GROUND
21
Ground
22
GROUND
23
Ground
24
GROUND
25
Ground
26
TERMPOWER
27
Ground
28
GROUND
29
Ground
30
GROUND
31
Ground
32
ATTENTION
33
Ground
34
GROUND
35
Ground
36
BUSY
37
Ground
38
ACKNOWLEDGE
39
Ground
40
RESET
41
Ground
42
MESSAGE
43
Ground
44
SELECT
45
Ground
46
CONTROL/DATA
47
Ground
48
REQUEST
49
Ground
50
INPUT/OUTPUT
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MSM-2000
SIGNAL DEFINITIONS
BUSY -An "OR-tied" signal that indicates the bus is being used.
SELECT -A signal used by an initiator to select a target or by a target to reselect an initiator.
CONTROL/DATA A signal driven by a target that indicates whether CONTROL or DATA information is
on the data bus. True indicates CONTROL.
INPUT/OUTPUT A signal driven by a target that controls the direction of data movement on the data bus
with respect to the initiator. True indicates input to the initiator. This signal is also used to distinguish
between SELECTION and RESELECTION process.
MESSAGE - A signal driven by a target during the MSG phase.
REQUEST -A signal driven by a target to indicate a request for a REQ/ACK data transfer handshake.
ACKNOWLEDGE -A signal driven by an initiator to indicate an acknowledgment for REQ/ACK data
transfer handshake.
ATTENTION -A signal driven by an initiator to indicate an ATTENTION condition.
RESET - An "OR-tied" signal that indicates the RESET condition.
DATA BUS 0-7,P Eight Data bits and a Parity bit which together form a data bus. DB7 is the most significant bit, and has the highest priority during the ARBITRATION phase. Bit number, significance, and priority decrease as the bit number decreases. A data bit is defined as one when the signal value is true and a
zero when the signal is false.
Data parity DB(P) is odd. The use of parity is a system option (i.e., a system configured so that all SCSI
devices on a bus generate parity and have parity detection enabled, or all SCSI devices have parity detection disabled or not implemented.) Parity is not valid during the ARBITRATION phase.
4.5
SCSI Bus Termination
Each SCSI BUS signal is terminated at the physical start and the physical end of the SCSI bus. Therefore,
the terminators must be removable from any SCSI devices to insure that there are no terminators except at
each physical extreme of the bus. See section 3.3
4.6
Schematics
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MSM-2000
5.0 Copies of Device Data Sheets
Abbreviated SONY MPF920-1 (or similar)
Abbreviated SEAGATE ST32272N Hard Disk Drives Product Manual (or similar)
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MSM-2000
6.0 Customer Product Error Report
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User’s Manual
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FORCE COMPUTERS
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