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4
Mass Storage Devices
This chapter describes the mass storage devices that are supplied with the
PC Workstation. Refer to the diagram on page 13
for the position of the
different mass storage devices in the PC Workstation. This chapter also
summarizes the pin connections on internal and external connectors.
HP product numbers and replacement part numbers for mass storage
devices are listed in the Service Handbook Chapter, which can be accessed
from the HP World Wide Web site at the following address:
http://www.hp.com/go/kayaksupport.
Flexible Disk Drives
A 3.5-inch, 1.44 MB flexible disk drive is supplied in the front-access shelf.
Hard Disk Drives
The following table lists the 3.5-inch (1-inch high) hard disk drives (which
are subject to change) that may be supplied (type and quantity depends on
model) on internal shelves, connected to the SCSI or IDE controller.
Cheetah 18LP
SCSI Seagate
(10 krpm)
Atlas (Tornado)
SCSI Quantum
(10 krpm)
Barracuda IDE
Seagate
(7.2 krpm)
Capacity 9.1 GB and 18 GB 9.1 GB and 18 GB 15 GB
Interface Ultra2 Wide SCSI Ultra160 UltraIDE ATA/66
External peak transfer rate 80 MB/s 160 MB/s 66 MB/s
Average seek time (read) 5.4 ms 5.4 ms 7.6 ms
Internal formatted transfer rate (MB/s) 29.5 max. 20 to 29 43
Number of discs/heads 9.1 GB: 3/6
18 GB: 6/12
9.1 GB: 3/6
18 GB: 6/12
15 GB: 2/4
Buffer size 1 MByte 2 MBytes 512 KBytes