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IBM DFHS S2F 'Starfire'
2.0GB
Specification
| Apricot Part Number |
15321431 |
| Access Times |
Single Cylinder Seek |
0.6 msec Read 2.5 msec Write |
| Average Seek |
7.5 msec Read 9.0 msec Write |
| Latency |
4.17 msec |
| Power Up Time |
19.1 secs |
| Data Transfer Rate |
Disk to Buffer |
8.30 MB/sec |
| Host to Buffer |
10 MB/sec Sync. |
| Drive Characteristics |
Cylinders |
4390 |
| R/W Heads |
8 |
| Disks |
4 |
| Encoding |
RLL |
| Rotational Speed |
7,202.7 rpm |
| Track Density |
4,352 tpi |
| Cache Size |
512 KB |
| Reliability |
MTBF |
1,000,000 POH |
| MTTR |
30 mins |
Dimensions
Height |
1.00 in |
25.2 mm |
Width |
4.0 in |
101.6 mm |
Depth |
5.75 in |
146.2 mm |
Weight |
1.0 lb |
0.46 Kg |
Environment
|
Non Operating |
Operating |
| Temperature |
-40°C to 65°C |
5°C to 55°C |
| Humidity |
5% to 95% |
5% to 90% |
| Altitude |
-1000 to 40,000 ft |
-1000 to 10,000 ft |
-305 to 12 km |
-305 to 3 km |
| Vibration |
2.0 G |
1.0 G |
| Shock |
70 G |
5 G (No soft errors) |
| Acoustic Levels |
Idle - 4.4 Bels |
Operating - 4.7 Bels |
| Mode of Operation |
Typical Average Current
(Amps) |
Typical Average
Power (Watts) |
+12V |
+5V |
| Startup |
1.3 |
|
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| Idle |
0.256 |
0.690 |
6.52 W |
| Maximum Seeking |
1.2 |
|
9.05 W |
Jumper Settings
Jumper |
Function |
Comment |
1,2,3 |
SCSI ID |
Binary SCSI ID. Jumper 1 most significant |
4 |
Blank Polarity |
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5 |
Remote Start Option |
Fitted - Spin up as DC applied |
6 |
Terminating Power |
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7 |
Master Sync |
|
8 |
LED |
|
9 |
Write Protect |
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10 |
Auto Start Deley |
If fitted remove jumper on 5 and it will delay for 10 secs |
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