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IBM 'Capricorn' DCAS-34330 4GB
Specification
| Vendor |
IBM |
| Range |
Capricorn |
| Apricot Part Number |
PT16023931 |
| Form Factor |
3.5" 1" high |
| Weight |
0.61Kg |
| Formatted Capacity (x106 bytes) |
4335MB |
| Formatted Capacity (x220 bytes) |
4134.18 |
| Number of Platters |
3 |
| Number of Heads |
6 |
Performance
| Actuator |
Voice Coil |
| Positioning System |
Embedded |
| Average Access Time |
Read |
8.5ms |
| Write |
9.0ms |
| Single Track Seek Time |
Read |
1.07ms |
| Write |
1.47ms |
| Nominal Rotational Speed |
5400RPM |
| Average Rotational Latency |
5.56ms |
| Maximum Sector Transfer Rate |
12.925MB/s |
| Typical Data Sector Transfer
Rate |
Maximum |
9.72MB/s |
| Minimum |
6.08MB/s |
| Numbers of Sectors / Track |
Maximum |
211 |
| Minimum |
132 |
| Type of Head Utilised |
MR |
| Read Channel Implementation |
PRML |
| Encoding Method |
RLL (16,17) |
| Standard 68 pin 'P' Connector |
Yes |
| Wide '16-bit' SCSI Support |
Yes |
| UltraSCSI (Double SCSI) Support |
Yes |
| Maximum SCSI Burst Transfer Rate |
40MB/s Sync. |
| Cache Size |
Total |
448KB |
| Read Data |
448KB |
| Segmentation Type |
7 x 64KB |
| Continous Read Prefetch |
Yes |
| Write Cache |
Yes |
Environment
| Ambient operating
Temperature |
Minimum |
5°C |
| Maximum |
55°C |
| Maximum Thermal Gradient |
15°C/hr |
| Operating Shock, 0 Err's (G, 11ms) |
5G, ½ Sine |
| Operating Vibration (G, 5-300Hz) |
1G |
| Maximum Audible Noise (dbA @ 1m) |
39 dbA |
| Average Power Consumption |
Nominal Read / Write |
5.17W |
| Nominal Idle |
4.05W |
| DC Power Requirements |
+12V Startup Maximum |
1.83Amps |
| +12V Nominal Read / Write |
0.22Amps |
| +5V Seek Peak |
0.60Amps |
| +5V Nominal Read / Write |
0.51Amps |
| MTBF |
800,000 poh |
| Maximum Power On/Off Cycles |
40,000 |
Jumper Settings
Jumper Block Location
Option Jumper Block Assignments
Auxiliary Connector (68-pin model)
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