Mass-Storage Drives; Hard Disk Drives; Flexible Disk Drives; Cd Drives - HP P Class 450/500/550/600/650/700/750 Reference Manual

Interface Devices and Mass-Storage

Mass-Storage Drives

Mass-Storage Drives
The IDE controller is described in the section "Integrated Drive Electronics (IDE)" in the
chapter "System Board." The flexible disk controller is described in the section "FDC" in
the chapter "System Board."

Hard Disk Drives

The following table lists the 3.5-inch hard disk drives that are supplied on an internal
shelf in some models only.
Table 3-4. Hard Disk Drives (3.5-Inch)
HP part number
Manufacturer
Product name
Average seek time
Revolutions per minute
(RPM)
Average Latency
Maximum internal
transfer rate
Maximum external
transfer rate

Flexible Disk Drives

Both desktop and minitower models are supplied with the new bezel-less version of the
drive (either Sony or Alps).

CD Drives

Most models have a 32 Max IDE CD drive supplied in a 5.25-inch front-access shelf
ATAPI, supporting ATAPI commands and with audio playback capability. It can play any
standard CD-Audio disks, in addition to CD-ROM disks, conforming to optical and
mechanical standards as specified in the Red and Yellow Book.
74
Drives
6.5 GB Ultra-ATA 33 7.2k rpm
A5024-69001
9.5/10.5 ms
7200
4.17 ms
33 MB/s
NA
9.1 GB UW-SCSI 10K rpm
A5025-69001
Seagate
Cheetah 9LP
5.4 ms
10000
0.98 ms
14.4 - 21 MB/s
NA
Chapter 3