IBM 1GB SCSI Hard Disk Drive (Model DPEA-31080)
OPT-P/N OSC1GBM
MKT-P/N 94G3187
FRU-P/N 06H6416
MFG-P/N 85G2548
The SCSI Hard Disk is shipped with 4x screw and a Multi-Language
User's Guide P/N 8130931
Product Description
The Model DPEA-31080 SCSI Hard Disk meets the Small Computer System Interface-2
(SCSI-2) standards. The SCSI-2 interface supports data transfer rates up to 10 MB / sec.
(Fast SCSI). The drive can be mounted in any orientation.
Installation Requirements
A SCSI ID cable P/N 94G2648 is required for install in a Model 3510 Storage Enclosure.
Technical Specification
Formatted capacity 1080MB
Number of disks 2
Number of heads 4
Number of cylinders 4896
Number of sectors/track 90 inner diameter
122 outer --"--
Track density 5430 tracks/inch (TPI)
Areal density 457MB per square/inch max.
Recording density 85600 bit/inch (BPI) max.
Disk type Thin film
Head type Magnetoresistive (MR)
Channel PD/VFO/ENDEC
Physical Dimensions
Length 146.0 mm (5.75 Inch)
Height 25.4 mm (1.00 Inch)
Width 101.6 mm (4.00 Inch)
Weight 0.53 kg (1.2 lbs)
Performance
Data transfer rate SCSI 10MB / sec (synchronous)
Media 39.8 - 55.1Mb / sec.
Seek time Average read 10.5 ms
write 12.5 ms
Rotational speed 5400 RPM
Buffer size 448KB
Power Requirements
+5 Vdc idle 0.24 Amp
+12 Vdc idle 0.16 Amp
+12 Vdc startup 1.20 Amp
idle power 3.2 Watt
Reliability
Mean time between failure 350000 hours (MTBF)
at 45°C (113°F) or lower
Setting the SCSI ID
| SCSI ID |
JMP 3 |
JMP 2 |
JMP 1 |
| 6 |
X |
X |
|
| 5 |
X |
|
X |
| 4 |
X |
|
|
| 3 |
|
X |
X |
| 2 |
|
X |
|
| 1 |
|
|
X |
| 0 |
|
|
|
Factory default setting JP-2/JP-3 and JP-6 are installed.
(SCSI device ID=6 and SCSI termination enable)
Jumper 4, 5, 6, 7
Jumper 4 set = Motor does not start at power on
(use this function if this drive is not the only one,
for good VOLTAGE/CURRENT at Power on time (ripple !)
Jumper 5 set = drive will not enter UNIT ATTENTION
(default - JMP 5 is not set)
Jumper 6 set = SCSI - Bus termination active
(if last device in the SCSI-chain)
Jumper 7 set = Drive will not initiate SCSI Synchronous Negotiation
(default - JMP 7 is not set)
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