D3896 Hard Drive
| Capacity | Formatted: 2,160 MB |
| Configuration Information | |
| Switches | Connector P2: 1-8 = "busy" led 2-9 = master sync in 3-10 = SCSI ID-0; bit value = 1 4-11 = SCSI ID-1; bit value = 2 5-12 = SCSI ID-2; bit value = 4 6-13 = parity check (open = enable) 7-14 = not used (open) JP 1-4: Pin 1 open = SCSI terminator connected Pin 2 short = term resistor pwr from PCB Pin 2 open = term resistor pwr from initiator Pin 3 open = power on start Pin 3 short = sequential start Pin 4 open = spindle sync disable JP 5-7: Pin 5 open = firmware download disable Pin 6 open = default setting Pin 7 open = write protect disable |
| Dimensions | |
| Height | 1.0 in/25.4 mm |
| Width | 4.0 in/101.6 mm |
| Depth | 5.74 in/146 mm |
| Weight | 1.4 lb/.65 KG |
| Disk Configuration | |
| Disk Size | 3.5" |
| Disks | 5 |
| Servo Heads | 1 |
| Data Heads | 9 |
| Data Surfaces | 9 |
| Tracks/Surface | 3,928 tpi |
| Track Density | 4,070 tpi |
| Bit Density | 78,000 bpi |
| Record Method | 1-7 RLL |
| Rotational Rate | 7,200 RPM |
| Start/Stop Time | 25 sec/20 sec |
| Environmental | |
| Temperature | Operating = 5° to 55° C Non-operating = -40° to 70° C |
| Humidity | Operating = 5% to 90% Non-operating = 5% to 95% |
| Shock | Operating = 5 G (1/2 sine, 11 ms) Non-Operating = 70 G (1.2 sine, 11 ms) |
| Vibration | Oper = 0.5 G @ 5-400 Hz Non-op = 2 G @ 22-400 Hz |
| Performance Specifications | |
| Seek Times | Average = 9 s Track to track = 2 ms Maximum = 16.5 ms |
| Latency, Avg | 4.17 ms |
| Cache Memory | Read = 1024 KB Write = 1024 KB |
| Interface | SCSI-2 |
| Data Transfer | To/from media = 10.0 MB/sec To/from buffer: 10.0 MB/sec using fast SCSI 20.0 MB/sec using wide SCSI |
| Power | |
| Voltage Required | +5V/+12V |
| Power Dissipation | Read/write/seek = 15.0 watts Idle mode = 12.4 watts |
| Reliability | |
| MTBF | 800,000 hours |
| MTTR | < 30 minutes |
| Error Rate | Recoverable = <1 per 10-10th bits Un-recoverable = <1 per 10-14th bits Seek = <1 per 10-7th bits |
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