| 型号 |
D3896 |
D3847 |
D3845 |
D3827 |
D3825 |
| 容量(MB) |
2160
|
1620 |
1083 |
1620 |
730 |
| 单碟容量(MB) |
|
540 |
365 |
810 |
365 |
| 碟片/数据面数 |
5/9 |
3/6 |
3/6 |
2/4 |
2/4 |
| 转速(RPM) |
7200 |
4500 |
4500 |
4090 |
4090 |
| 寻道时间 |
Average = 9 s
Track to track = 2 ms
Maximum = 16.5 ms
|
Average = 11 ms
Track to track = 3 ms
Maximum = 22 ms
|
Average = 11 ms
Track to track = 3 ms
Maximum = 22 ms
|
Average = 11 ms
Track to track = 3 ms
Maximum = 23 ms
|
Average = 11 ms
Track to track = 3 ms
Maximum = 23 ms
|
| 缓存 |
Read = 1024 KB
Write = 1024 KB
|
Read = 64 KB
Write = 64 KB
|
Read = 64 KB
Write = 64 KB
|
Read = 64 KB
Write = 32 KB
|
Read = 128x2 KB
Write = 128x2 KB
|
| 数据传输 |
To/from media = 10.0 MB/sec
To/from buffer:
10.0 MB/sec using fast SCSI
20.0 MB/sec using wide SCSI
|
To/from media = 10.0 MB/sec
To/from buffer:
Synchronous = 10.0 MB/s
Asychronous = 5.0 MB/s
|
To/from media = 10.0 MB/sec
To/from buffer:
Synchronous = 10.0 MB/s
Asychronous = 5.0 MB/s
|
To/from media = 6.0 MB/sec
To/from buffer:
Synchronous = 10.0 MB/s
Asynchronous = 5.0 MB/s
|
To/from media = 6.0 MB/sec
To/from buffer = 10.0 MB/s
|
| 接口 |
SCSI-2
|
SCSI-2
|
SCSI-2
|
SCSI-2
|
SCSI-2
|
| 消耗功率 |
Read/write/seek = 15.0 watts
Idle mode = 12.4 watts
|
Read/write/seek = 4.0 watts
Sleep mode = 1.8 watts
|
Read/write/seek = 4.0 watts
Sleep mode = 1.8 watts
|
Read/write/seek = 3.6 watts
Sleep mode = 1.8 watts
|
Read/write/seek = 3.6 watts
Sleep mode = 1.8 watts
|
| 磁盘尺寸 |
3.5 Inch |
3.5 Inch |
3.5 Inch |
3.5 Inch |
3.5 Inch |
| 硬盘尺寸 |
1.0 in/25.4 mm
4.0 in/101.6mm
5.74 in/146 mm |
1.0 in/25.4 mm
4.0 in/101.6mm
5.74 in/146 mm |
1.0 in/25.4 mm
4.0 in/101.6mm
5.74 in/146 mm |
1.0 in/25.4 mm
4.0 in/101.6mm
5.74 in/146 mm |
1.0 in/25.4 mm
4.0 in/101.6mm
5.74 in/146 mm |
| 重量 |
1.4 lb/.65 KG
|
1.25 lb/0.6 KG
|
1.25 lb/0.6 KG
|
1.25 lb/0.6 KG
|
1.25 lb/0.6 KG
|
| 跳线 |
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
|
SW1-1=off(factory use only)
SW1-2=off(start command disable)
SW1-3=on(parity check enable)
SW1-4=on(=SCSI ID-0;bit value=1)
SW1-5=on(=SCSI ID-1;bit value=2)
SW1-6=on(=SCSI ID-2;bit value=4)
|
SW1-1=off(factory use only)
SW1-2=off(start command disable)
SW1-3=on(parity check enable)
SW1-4=on(=SCSI ID-0;bit value=1)
SW1-5=on(=SCSI ID-1;bit value=2)
SW1-6=on(=SCSI ID-2;bit value=4)
|
SW1-1=off(factory use only)
SW1-2=off(start command disable)
SW1-3=on(parity check enable)
SW1-4=on(=SCSI ID-0;bit value=1)
SW1-5=on(=SCSI ID-1;bit value=2)
SW1-6=on(=SCSI ID-2;bit value=4)
|
SW1-1=off(factory use only)
SW1-2=off(start command disable)
SW1-3=on(parity check enable)
SW1-4=on(=SCSI ID-0;bit value=4)
SW1-5=on(=SCSI ID-1;bit value=2)
SW1-6=on(=SCSI ID-2;bit value=1)
|
| 可靠工作时间 |
800,000 POH
|
300,000 POH
|
300,000 POH
|
300,000 POH
|
300,000 POH
|
| 型号 |
D3843 |
D3817 |
D3855 |
D3856 |
D3835 |
| 容量(MB) |
540 |
540.8 |
105 |
105 |
45 |
| 单碟容量(MB) |
540 |
270.4 |
|
|
45 |
| 碟片/数据面数 |
1/2 |
2/4 |
2/4 |
2/4 |
1/2 |
| 转速(RPM) |
4500 |
4500 |
3456 |
3456 |
3456 |
| 寻道时间 |
Average = 11 ms
Track to track = 3 ms
Maximum = 22 ms
|
Average = 12 ms
Track to track = 3 ms
Maximum = 28 ms
|
Average = 25 ms
Track to track = 8 ms
Maxium = 45 ms
|
Average = 19 ms
Track to track = 8 ms
Maximum = 37 ms
|
Average = 25 ms
Track to track = 8 ms
Maximum = 45 ms
|
| 缓存 |
Read = 64 KB
Write = 64 KB
|
Read = 96 KB
Write = 96 KB
|
|
|
|
| 数据传输 |
To/from media = 10.0 MB/sec
To/from buffer:
Synchronous = 10.0 MB/s
Asychronous = 5.0 MB/s
|
Synchronous = 5.0 MB/s
Asynchronous = 2.5 MB/s
|
1.5 MB/sec
|
1.5 MB/sec
|
1.5 MB/sec
|
| 接口 |
SCSI-2
|
SCSI-2
|
SCSI
|
SCSI
|
SCSI
|
| 消耗功率 |
Read/write/seek = 4.0 watts
Sleep mode = 1.8 watts
|
Read/write/seek = 4.8 watts
Sleep mode = 1.3 watts
|
|
|
|
| 磁盘尺寸 |
3.5 Inch |
3.5 Inch |
3.5 Inch |
3.5 Inch |
3.5 Inch |
| 硬盘尺寸 |
1.0 in/25.4 mm
4.0 in/101.6mm
5.74 in/146 mm |
1.0 in/25.4 mm
4.0 in/101.6mm
5.74 in/146 mm |
1.0 in/25.4 mm
4.0 in/101.6mm
5.74 in/146 mm |
1.0 in/25.4 mm
4.0 in/101.6mm
5.74 in/146 mm |
1.0 in/25.4 mm
4.0 in/101.6mm
5.74 in/146 mm |
| 重量 |
1.4 lb/.65 KG
|
1.4 lb/.65 KG
|
|
|
|
| 跳线 |
SW1-1=off(factory use only)
SW1-2=off(start command disable)
SW1-3=on(parity check enable)
SW1-4=on(=SCSI ID-0;bit value=1)
SW1-5=on(=SCSI ID-1;bit value=2)
SW1-6=on(=SCSI ID-2;bit value=4)
|
SW1-1=off(factory use only)
SW1-2=off(start command disable)
SW1-3=on(parity check enable)
SW1-4=on(=SCSI ID-0;bit value=4)
SW1-5=on(=SCSI ID-1;bit value=2)
SW1-6=on(=SCSI ID-2;bit value=1)
|
SW1-1=on(= SCSI ID-2; bit value = 4)
SW1-2=on(= SCSI ID-1; bit value = 2)
SW1-3=on(= SCSI ID-0; bit value = 1)
SW1-4=on(parity check enable)
JP1(factory use only)
JP2(factory use only)
JP3(short=auto power save mode enable)
|
SW1-1=on(= SCSI ID-2; bit value = 4)
SW1-2=on(= SCSI ID-1; bit value = 2)
SW1-3=on(= SCSI ID-0; bit value = 1)
SW1-4=on(parity check enable)
JP1(factory use only)
JP2(factory use only)
JP3(short=auto power save mode enable)
|
SW1-1 "on"=SCSI ID-2;bit value = 4
SW1-2 "on"=SCSI ID-1;bit value = 2
SW1-3 "on"=SCSI ID-0;bit value = 1
JP1-factory use only
JP2-factory use only
JP3 shorted=auto power save enable
JP12,JP13 short=slave,2 drive mode
|
| 可靠工作时间 |
300,000 POH
|
250,000 POH
|
250,000 POH
|
250,000 POH
|
|
