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Quantum 'Vortex' BF 2550 A
Specification
| Apricot Part Number |
PT15723131 |
| Access Times |
Single Track Seek |
3.5 msec |
| Average Seek |
15.5 msec |
| Latency |
8.33 msec |
| Power Up Time |
11.5 seconds |
| Data Transfer Rate |
Maximum Sector |
10.47 MB/sec |
| Minimum |
4.42 MB/sec |
| Drive Characteristics |
Type |
Physical |
Logical |
| Cylinders |
|
4994 |
| R/W Heads |
4 |
16 |
| Sector/Track |
149 to 276 |
63 |
| Disks |
2 |
| Encoding |
16/17 PRML |
| Rotational Speed |
3,600 rpm |
| Track Density |
4,298 tpi |
| Buffer Size |
128 KB |
| Reliability |
MTBF |
300,000 POH |
Dimensions
Height |
0.75 in |
19.05 mm |
Width |
5.75 in |
146.1 mm |
Depth |
8.0 in |
203.2 mm |
Weight |
1.64 lb |
0.75 Kg |
Environment
|
Non Operating |
Operating |
| Temperature |
-40 to 75 |
0°C to 55°C |
| Humidity |
5% to 95% |
5% to 85% |
| Altitude |
-650 to 40,000 ft |
-650 to 10,000 ft |
| Vibration |
2.0 G |
1.0 G (No Data Loss) |
| Shock |
70 G |
10 G (1 soft error/shock) |
| Acoustics |
Seeking Random |
40 dBa (1 Metre) |
| Power |
+5V ± 5% |
+12V ± 10% |
Mode of Operation |
Typical Average Current
(mA rms) |
Typical Average
Power (Watts) |
+12V |
+5V |
| Startup |
1400 |
425 |
|
| Read/Write/Seek |
400 |
450 |
7.0 W |
| Standby/Sleep |
1.0 W |
Jumper Settings
CS |
DS |
SP |
Description
|
Off |
Off |
Off |
Slave Drive |
Off |
On |
Off |
Master Drive |
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