HP Workstation x4000 hp workstation x4000 - Technical Reference manual - Windo - Page 136

Mass Storage Devices, Flexible Disk Drives, Hard Disk Drives

Page 136 highlights

Table 9-1 Hardware Components Mass Storage Devices Mass Storage Devices You can find HP product numbers and replacement part numbers for mass storage devices in the x4000 Service Handbook on HP's Web site at www.hp.com/workstations/support. Flexible Disk Drives The front-access shelf has a 3.5-inch, 1.44 MB flexible disk drive. Hard Disk Drives Table 9-1 lists the 3.5-inch (1-inch high) SCSI hard disk drives that may be supplied with the HP x4000 Workstation. SCSI Hard Disk Drives Quantum Atlas 10K II SCSI (10 krpm) Capacity Interface External peak transfer rate Average seek time (read) Internal data rate (MB/sec) Number of discs/heads Buffer size 18.4 GB Ultra160 SCSI 160MB/sec 4.7 ms 280 MB/sec min. to 478 MB/sec max. 3/6 8 MB Quantum Atlas 10K II SCSI (10 krpm) 36.7 GB Ultra160 SCSI 160MB/sec 4.7 ms 280 MB/sec min. to 478 MB/sec max. 5/10 8 MB 136 Chapter 9

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Hardware Components
Mass Storage Devices
Chapter 9
136
Mass Storage Devices
You can find HP product numbers and replacement part numbers for
mass storage devices in the
x4000 Service Handbook
on HP’s Web site at
www.hp.com/workstations/support
.
Flexible Disk Drives
The front-access shelf has a 3.5-inch, 1.44 MB flexible disk drive.
Hard Disk Drives
Table 9-1 lists the 3.5-inch (1-inch high) SCSI hard disk drives that may
be supplied with the HP x4000 Workstation.
Table 9-1
SCSI Hard Disk Drives
Quantum
Atlas 10K II
SCSI (10 krpm)
Quantum
Atlas 10K II
SCSI (10 krpm)
Capacity
18.4 GB
36.7 GB
Interface
Ultra160 SCSI
Ultra160 SCSI
External peak transfer
rate
160MB/sec
160MB/sec
Average seek time
(read)
4.7 ms
4.7 ms
Internal data rate
(MB/sec)
280 MB/sec min. to
478 MB/sec max.
280 MB/sec min. to
478 MB/sec max.
Number of discs/heads
3/6
5/10
Buffer size
8 MB
8 MB