DSP2022-A
ATA/IDE Disk Drive
Installation Guide
EK-2022A-IG-001
Digital Equipment Corporation
June, 1992
The information in this document is subject to change without notice and should not be construed as a commitment by Digital Equipment Corporation. Digital
Equipment Corporation assumes no responsibility for any errors that may appear in this document.
Copyright © 1992 Digital Equipment Corporation
All Rights Reserved.
Printed in the U.S.A.
Contents
Scope of Information . . . . . . . . . . . .
Before You Begin . . . . . . . . . . . . . .
Locate the ATA Connector . . . . . . . .
Note Pin Status of the Vendor-Specific
Field . . . . . . . . . . . . . . . . . . . . . .
Note the Use of the ATA Signal Pins .
Locate Jumper Connector J1 . . . . . .
Learn the Jumper Functions . . . . . . .
Select Single or Dual Drive Operation
Remove Jumper 7 . . . . . . . . . . . . .
Obtain a mounting kit . . . . . . . . . . .
Locate the Drive Mounting Holes . . . .
Use the Drive Mounting Guidelines . .
Follow Connection Guidelines . . . . . .
Follow ATA Interface Instructions . . . .
Run the Setup Utility . . . . . . . . . . . .
Drive Specifications . . . . . . . . . . . .
7
8
7
7
5
6
3
3
10
10
10
11
12
1
1
2 iii
iv Contents
2
3
4
Figures
1 ATA Connector . . . . . . . . . . . . . . .
Location of Jumper Connector J1 . . .
Side Mounting Holes . . . . . . . . . . . .
Bottom Mounting Holes . . . . . . . . . .
2
3
4
5
Tables
1 Vendor-Specific Pin Options . . . . . . .
Single-Ended ATA Signal Pins . . . . .
Jumper Descriptions . . . . . . . . . . . .
Default Setup Values . . . . . . . . . . .
Drive Specification Summary . . . . . .
6
11
12
3
4
8
9
2
5
DSP2022-A ATA/IDE Disk Drive Installation Guide 1
Scope of Information
This guide supplies the information you need to configure and install your Model DSP2022-A 2.5-inch disk drive on your PC AT Attachment (ATA) interface. The tasks you need to perform are listed in order in the table of contents.
The specifications for the disk drive are found on the last page.
Before You Begin
Before removing the drive from its antistatic bag or attempting installation, please read the following cautions:
ANTISTATIC CAUTION
As with any integrated circuit device, we highly recommend that you use a properly grounded wrist strap and antistatic pad when removing the disk drive from its antistatic bag and handling it outside the bag.
HANDLING CAUTION
As with any delicate instrument, prevent shocks by always placing it down gently. Avoid quick motions or bumping.
2 DSP2022-A ATA/IDE Disk Drive Installation Guide
Locate the ATA Connector
Locate the 50-pin ATA connector at the rear of the drive shown in Figure 1. This connector is used for cable installation later. Note that the pins of the ATA connector are divided into two pin fields: one for the ATA signals and the other for the vendor-specific options. Learn the uses for these two pin fields in the following sections.
Figure 1 ATA Connector
ATA 50 PIN CONNECTOR
MISSING PIN - KEY
TWO MISSING PINS
SEPARATE PIN FIELDS
43
44
22 X 2 PIN FIELD
ATA SIGNALS
1 A3 A1
2
A4 A2
2 X 2 PIN FIELD
VENDOR SPECIFIC
OPTIONS
CXO-3491A-TI_R
DSP2022-A ATA/IDE Disk Drive Installation Guide 3
Note Pin Status of the Vendor-Specific Field
The vendor-specific pin field consists of pins A1–A4 and is used for manufacturing testing purposes. As indicated in
Table 1, these vendor-specific pins should always be left open.
Table 1 Vendor-Specific Pin Options
Pin Function
A1 Ground MFG test strap
A2 Test UART receive data
A3 +12 V for controller ROM
A4 Test UART transmit data
Status
Leave open
Leave open
Leave open
Leave open
Note the Use of the ATA Signal Pins
The 44 ATA signals pins carry the ATA signals, power, and grounds paths for the drive circuitry. Table 2 provides a list of the signal names. For a full explanation of all the ATA signal functions, refer to the ANSI ATA Specification.
4 DSP2022-A ATA/IDE Disk Drive Installation Guide
Table 2 Single-Ended ATA Signal Pins
Pin Signal
29
31
33
35
21
23
25
27
37
39
41
09
11
13
15
17
19
01
03
05
07
-RESET
+DD7
+DD6
+DD5
+DD4
+DD3
+DD2
+DD1
+DD0
GND
RESERVED
-DIOW
-DIOR
IORDY
DMACK
+INTRQ
+DA1
+DA0
-CS1FX
-DASP
+5V CIRCUITS
43 GND MOTOR
ACTUATOR
Pin Signal
30
32
34
36
22
24
26
28
38
40
42
10
12
14
16
18
20
02
04
06
08
44
SIGNAL GND
+DD8
+DD9
+DD10
+DD11
+DD12
+DD13
+DD14
+DD15
KEY, (no pin)
SIGNAL GND
SIGNAL GND
SIGNAL GND
CSEL
SIGNAL GND
-IOCS16
-PDIAG
+DA2
-CS3FX
SIGNAL GND
+5V MOTOR
ACTUATOR
RESERVED
DSP2022-A ATA/IDE Disk Drive Installation Guide 5
Locate Jumper Connector J1
Locate jumper connector J1 on the electronic component side of the drive shown in Figure 2. Note that connector
J1 contains eight jumper pairs numbered 0 through 7. Your drive comes with all jumpers in place.
Figure 2 Location of Jumper Connector J1
JUMPER PAIR 7
J1
JUMPER PAIR 0
CXO-3498A-MC_R
6 DSP2022-A ATA/IDE Disk Drive Installation Guide
Learn the Jumper Functions
The jumper functions on the ATA drive are described in
Table 3. Note that jumper 0 is used for selecting single or dual drive operation and that jumper 7 is used to prevent the drive from entering manufacturing test mode if pin A1 is momentarily grounded. Jumpers 1 through 6 are reserved for future use and should always be left in place.
Table 3 Jumper Descriptions
5
6
7
3
4
1
2
Jumper Function
0 Single drive operation
Master drive in dual operation
Slave drive in dual operation
Reserved
Reserved
Reserved
Reserved
Reserved
Reserved
Prevents the manufacturing test from being initiated if
ATA connector pin A1 is grounded
Jumper Status
IN
IN
OUT
IN
IN
IN
IN
IN
IN
OUT
DSP2022-A ATA/IDE Disk Drive Installation Guide 7
Select Single or Dual Drive Operation
With jumper 0 in place, your drive is set for single drive operation, or as the master drive in dual drive operation.
If you wish to use this drive as the slave drive (drive D) in dual drive operation, then remove jumper 0.
Remove Jumper 7
Remove jumper 7 to prevent the drive from entering manufacturing test mode if pin A1 is grounded.
Obtain a mounting kit
Due to the large number of possible installation cabinets and slot sizes, your drive does not come with an installation kit of brackets, screws, and cables. You must obtain the parts needed for your particular installation from your distributor or purchasing source.
8 DSP2022-A ATA/IDE Disk Drive Installation Guide
Locate the Drive Mounting Holes
Two holes are provided on each side of the drive for side mounting as shown in Figure 3. Four mounting holes are provided on the bottom surface for bottom mounting as shown in Figure 4.
Figure 3 Side Mounting Holes
MOUNTING HOLE (2)
M3 x 0.5
BOTH SIDES
1.375 in
34.93 mm
1.500 in
38.10 mm
.740 in
18.80 mm
.244 in
6.20 mm
CXO-3496A-MC_R
DSP2022-A ATA/IDE Disk Drive Installation Guide 9
Figure 4 Bottom Mounting Holes
4.000 in
101.60 mm
MOUNTING HOLE SCREW (4)
M3 x 0.05
.165 in
4.19 mm
2.420 in
61.47 mm
1.375 in
34.93 mm
1.500 in
38.10 mm
CXO-3495A-MC_R
10 DSP2022-A ATA/IDE Disk Drive Installation Guide
•
•
•
•
•
Use the Drive Mounting Guidelines
Use this list of drive mounting guidelines to prevent mounting problems.
The drive may be mounted in any orientation.
Mounting screws should not penetrate the mounting holes beyond the depths given in this list.
Mounting screws are M3 X0.5 metric screws (3mm diameter and 0.5 thread pitch).
The recommended screw depth penetration of the bottom mounting holes is 0.381 centimeters (0.15
inches).
The recommended screw depth penetration of the side mounting holes is 0.254 centimeters (0.1 inches).
•
•
•
Follow Connection Guidelines
Use these guidelines to connect to the DSP2022-A ATA connector:
Use a connector with pins on 2mm centers.
Use a Molex 87259-5016 connector or its equivalent.
Don’t exceed the recommended 2 foot cable length maximum.
Follow ATA Interface Instructions
If the ATA interface is built into the computer, refer to the computer’s installation guide for disk drive connection instructions. If a separate interface adapter has been installed, refer to the adapter installation guide for disk drive connection instructions.
DSP2022-A ATA/IDE Disk Drive Installation Guide 11
Run the Setup Utility
When you are finished mounting the drive and attaching the cables, you are ready to run the setup utility. You need to run a setup utility to tell the system what type of hardware is installed. To run the setup utility, follow the setup instructions in your operating system manual or BIOS manual.
This drive’s characteristics are not described by the 46 predefined BIOS drive types. Use BIOS type 47 (User
Defined Drive Type) to describe this drive. The default values that describe this drive are provided in Table 4.
If your setup utility does not include the capability for a user defined drive type, you can also use one of the pre-defined drive types as long as the total capacity does not exceed
220.459 megabytes.
Table 4 Default Setup Values
Drive Characteristics
Number of cylinders
Number of heads
Write precomp
Landing zone
Sectors per track
Size (megabytes)
Bytes per sector
Default Values
699
11
0 (not used)
699 (not used)
56
220.459
512
12 DSP2022-A ATA/IDE Disk Drive Installation Guide
Drive Specifications
The performance and environmental specifications for your disk drive are listed in Table 5.
Table 5 Drive Specification Summary
Formatted Storage
Average Seek Time
Typical spin up time
Disk rotation speed
Bytes per block
Height
Length
Width
Weight
Voltage & regulation
Active mode power
Operating Altitude
Operating Temperature
220,000,000 bytes
Less than 10 milliseconds
Less than 12.5 seconds
5400 RPM
512
0.75 in. (19.0 mm)
4.0 in. (101.6 mm)
2.75 in. (69.8 mm)
7.3 oz. (.20 kg.)
+5VDC +/- 5%
Less than 5 watts
-200 to + 10,000 feet
-61 to + 3,048 meters
+40 to +131 degrees F
+5 to +55 degrees C
