Hp A3351A Scsi Disk Drive (Source 1); Specifications - HP 3000 9x9KS Service Manual

HP A3351A SCSI Disk Drive (Source 1)

Figure 8-11 shows the HP A3351A low profile, 2 Gbyte, F/W SCSI disk drive.
The HP A3351A product is provided from two sources. Because of the physical and jumpering
differences between the two sources, they are listed in this manual as Source 1 and Source 2. Be
aware of the difference to determine which jumpering scheme to follow.

Specifications

• Integrated F/W SCSI Differential Controller
• 16 bit parallel data transfers
• Asynchronous and Synchronous Data transfer protocol
• Downloadable Firmware
• Selectable sector sizes (Default 512 bytes/sector)
• 96 bit Reed-Solomon error correcting code
• Sealed Head/Disk Assembly
• Dedicated head landing zone
• Automatic shipping lock
• Automatic thermal compensation
• Self-Test performed at power on
• Synchronous spindle capability
• 480 K byte data buffer
• Formatted data capacity 2,147.4 Mbyte
• Nine spare sectors per cylinder
• 7200 RPM Spindle Speed
• Average latency = 4.17 ms
• Command Queuing of up to 64 commands per initiator
• 800,000 hour MTBF
• No preventative maintenance or adjustments required
• Low power consumption
• Inquiry Vendor Identification string = SEAGATE
• Inquiry Product Identification string = ST32550WD
• Inquiry Product Revision Level string = HP06 or newer
8-36 SCSI and I/O
Figure 8-11. HP 3351A SCSI Disk Drive
NOTE