8-18 SCSI and I/O
HP A3629A SCSI Disk Drive
Figure 8-2 shows the HP A3629A 9 Gbyte F/W SCSI Disk Drive.
Figure 8-2. HP A3629A Disk Drive.
Specifications
• Integrated F/W SCSI-2 Differential Controller
• Synchronous and Asynchronous data protocol
• Synchronous data transfer rate up to 10 Mbytes/sec.
• Downloadable Firmware
• Selectable sector sizes from 180 to 4096 bytes/sector
• 96-bit Reed-Solomon ECC for error detection and correction
• Sealed Head/Disk Assembly
• Dedicated head landing zone
• Automatic shipping lock engaged at power off
• Self -Test performed at power on
• Synchronous spindle capability
• 512 Kbyte data buffer
• Formatted data capacity = 9,100 Mbytes
• Eight spare sectors per cylinder
• 2 cylinders reserved for logs and maintenance information
• 7200 RPM Spindle Speed
• Average latency = 4.17 ms.
• 1,000,000 hour MTBF
• No preventative maintenance or adjustments required
• Inquiry Vendor Identification String = SEAGATE
• Inquiry Product Identification String = ST19171W
• Inquiry Product Revision Level string = HPM2 or greater
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