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IBM DPES 31080 'Pegasus' 1.0GB
Specification
| Part Number |
PT15321231 |
| Access Times |
Single Cylinder Seek |
2.3 msec Read 3.0 msec Write |
| Average Seek |
10.5 msec Read 12.5 msec Write |
| Latency |
5.56 msec |
| Power Up Time |
12 secs |
| Data Transfer Rate |
Host to Buffer |
10 MB/sec Sync. |
| Drive Characteristics |
R/W Heads |
4 |
| Disks |
2 |
| Encoding |
RLL |
| Rotational Speed |
5, 400 rpm |
| Track Density |
5, 340 tpi |
| Cache Size |
448 KB |
| Reliability |
MTBF |
350,000 POH |
| MTTR |
30 mins |
Dimensions
Height |
1.0 in |
25.4 mm |
Width |
4.0 in |
101.6 mm |
Depth |
5.75 in |
146.2 mm |
Weight |
1.17 lb |
0.53 Kg |
Environment
|
Non Operating |
Operating |
| Temperature |
-40°C to 65°C |
5°C to 55°C |
| Humidity |
5% to 95% |
8% to 90% |
| Altitude |
-300 to 12 km |
-300 to 3 km |
| Power |
+5V ± 5% |
+12V + 10% - 8% |
| Mode of Operation |
Typical
Average Current (Amps) |
+12V |
+5V |
| Startup |
1.2 |
0.64 |
| Idle |
0.16 |
0.26 |
| Read / Write |
0.28 |
0.62 |
Jumper Settings
 
Jumper |
Function |
JP1 |
SCSI ID Bit 1 |
JP2 |
SCSI ID Bit 2 |
JP3 |
SCSI ID Bit 4 |
JP4 |
If OFF the drive will spin up automatically after power on
reset. |
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If ON the drive will not spin up unless the host system
issues START/STOP command. |
JP5 |
If ON Unit Attention after power on reset or SCSI bus reset
is disabled. |
JP6 |
If ON the internal SCSI active terminator is turned on. |
JP7 |
External Activity LED |
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