硬盘接口回顾
Narrow SCSI (n)screen.width*0.7) {this.resized=true; this.width=screen.width*0.7; this.alt='Click here to open new window\nCTRL+Mouse wheel to zoom in/out';}" onmousewheel="return imgzoom(this);">
接口类型: 50 Pin / Centronics / 25 pin
最大突发传输速率:5 MB/sec or 10 MB /sec
最多连接设备个数(per bus):7
中结类型: Active or Passive
备注 – SCSI 1 / SCSI 2
常见该接口类型设备：磁带机
Wide SCSI (w)
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screen.width*0.7) {this.resized=true; this.width=screen.width*0.7; this.alt='Click here to open new window\nCTRL+Mouse wheel to zoom in/out';}" onmousewheel="return imgzoom(this);">
接口类型: 68 Pin
最大突发传输速率: 20MB/sec or 40MB/sec
最多连接设备个数(per bus):15
中结类型: Active
备注 –Wide SCSI or Ultra Wide SCSI (SCSI 2)
常见该接口类型设备：硬盘
LVD (lw)
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screen.width*0.7) {this.resized=true; this.width=screen.width*0.7; this.alt='Click here to open new window\nCTRL+Mouse wheel to zoom in/out';}" onmousewheel="return imgzoom(this);">
接口类型: 68 Pin
最大突发传输速率:80 MB/sec or 160MB/sec or 320MB/sec
最多连接设备个数(per bus):15
中结类型: LVD 需数据线带终结器
备注 – U2 / Ultra 160 / Ultra 320
常见该接口类型设备:SCSI 硬盘或 DDS4 磁带机
HVD (wd)
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screen.width*0.7) {this.resized=true; this.width=screen.width*0.7; this.alt='Click here to open new window\nCTRL+Mouse wheel to zoom in/out';}" onmousewheel="return imgzoom(this);">
接口类型: 68 Pin
最大突发传输速率: 80 MB/sec or 160MB/sec or 320MB/sec
最多连接设备个数 (per bus):15
中结类型: HVD需数据线带终结器
备注 – 与 LVD使用定义相反
常见该接口类型设备：磁带库，硬盘不常用。
SCA (dc,lc,wc)
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接口类型: 80 Pin SCA
最大突发传输速率: 取决于类型
备注 – 通常用在背板，SCSI数据口与电源接口合二为一，为热插拔类型。
常见该接口类型设备- 服务器硬盘。
FC
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接口类型: 40 Pin SCA – power and data in one
最大突发传输速率:100MB/sec or 200MB/sec – Rate doubles for dual loop
最多连接设备个数 (per bus):126
最长线缆长度– 30 m(铜线) : 10 km (光纤)
常见该接口类型设备- high-end硬盘, XIOtech SAN 设备
ATA
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接口类型: 40 Pin
最大突发传输速率: 16MB to100MB/sec depends on supported PIO/UDMA modes
最多连接设备个数 (per bus): 每个通道两个 – 通常每个控制器4个
最长线缆长度：18英寸
备注 – ATA / ATAPI /IDE
目前应用 – 台式机硬盘和ATAPI Travan 磁带机
ATA/ATAPI – PIO Mode 1/2/3/4, Ultra 33/66/100
USB 1.x
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接口类型: A-Plug or B-Plug
最大突发传输速率: 12 Megabits/second
最多连接设备个数 (per computer):127
中结类型: 无
目前应用- USB Travan 磁带机 : USB硬盘 (by RSS)
USB 2.0
接口类型, 数据线, 最多连接设备个数与USB 1.x一样
与USB 1.x 设备向下兼容.
最大突发传输速率: 480 Megabits/second
目前应用USB 2.0 Travan tape drives
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