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

Atlas (Tornado)

Barracuda IDE

 

SCSI Seagate

SCSI Quantum

 

Seagate

 

(10 krpm)

(10 krpm)

 

(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

9.1 GB: 3/6

15

GB: 2/4

 

18 GB: 6/12

18 GB: 6/12

 

 

 

 

 

 

Buffer size

1 MByte

2 MBytes

512 KBytes

 

 

 

 

 

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