NEC(日本電氣)D3142 硬碟生產於 1989年,這個硬碟機(Hard Disk Drive)應該是使用在日本 NEC PC-9801 電腦內,因為磁軌壞了,所以棄置,但一直沒有處理,到現在才有時間拆解。
NEC D3142 45MB 硬碟(HDD) |
NEC D3142 45MB 硬碟(HDD)的頂部 |
NEC D3142 45MB 硬碟(HDD)的底部 |
NEC D3142 45MB 硬碟(HDD)的接口 |
NEC D3142 硬碟 Switch / Jumper 設定:
Jumper
|
Function
|
Description
|
SW1-1~8
|
Terminating Resistor
|
Serial configuration-SW1-1 always "off";
if one drive, set SW1-2 thru 8 to "on."
|
SW1-1-8
|
Terminating Resistor
|
If more than one drive, set SW1-2 thru 8 to
"off."
Parallel configuration-SW1-1 may be "on" or
"off" depending on HDD controller.
|
SW2-1
|
Drive Address
|
"on," all others "off" = addr 1
|
SW2-2
|
Drive Address
|
"on," all others "off" = addr 2
|
SW2-3
|
Drive Address
|
"on," all others "off" = addr 3
|
SW2-4
|
Drive Address
|
"on," all others "off" = addr 4
|
J1
|
Connector for control signal interface
|
|
J2
|
Connector for data signal interface
|
|
J4
|
Frame Ground
|
品牌型號:NEC D3142硬碟(HDD / Hard Disk Drive)
型號:D3142
Capacity:Formatted: 44.7 MB / Unformatted: 53.4 MB
Disk Size:3.5" / HH (Half Height)
Disks:4
Data Heads:8
Data Surfaces:8
Tracks/Surface:642
Track Density:850 tpi
Bit Density:14,000 bpi
Sectors/Track:17 (RLL = 26 sectors)
Bytes/Sector:512
Record Method:MFM
Rotational Rate:3,600 RPM
Start/Stop Time:15 seconds typical
Seek Times:Average = 28 ms Track to track = 8 ms Maximum = 54 ms
Latency:Avg 8.33 ms
Interface:ST-506 / ST-412(34-Pin Interface Connector)
Data Transfer:625 KB/sec
Voltage Required:+5V/+12V(4-Pin Power Connector)
Power Dissipation:Ready mode = 9.2 watts
MTTR:30 Minutes
MTBF:30,000 POH
Error Rate:Recoverable =<1 per 10-10th bits
Temperature:Operating = 5° to 50° C
Thermal Grad:10° C/Hr max
Shock:Operating = 2 G (10 ms) Non-operating = 40 G (10 ms)
Vibration:Operating = 0.2 G Non-operating = 0.5 G
尺寸: 146mm × 101.6mm × 41mm
重量: 951g
產地:日本生產(Made in Japan)
上市日期:1989年
參考售價:?
2017年 5月 2日 天氣報告
氣溫:26.8度 @ 21:40
相對濕度:百分之 89%
天氣:多雲
請問這款硬碟有機會用其它方式取代?
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