44
3 Interface Boards and Mass-Storage Drives
Mass-Storage Drives
Mass-Storage Drives
The Ultra-wide (16-bit) and Narrow (8-bit) SCSI controllers are described
on page 20
. The flexible disk controller is described on page 26.
Hard Disk Drives (subject to change)
The following table lists the 3.5-inch hard disk drives that are supplied on an
internal shelf in some models only.
Flexible Disk Drives
A 3.5-inch, 1.44 MB flexible disk drive (D2035-63121) is supplied on the top
front-access shelf of models.
CD-ROM Drives
All models have a 24✕ Max IDE CD-ROM drive (D4383A) supplied in a
5.25-inch front-access shelf.
If a disk is still in the drive after power failure or drive failure, the disk can
be reclaimed by inserting a stout wire, such as the end of a straightened
paper-clip, into the small hole at the bottom of the door. In order to allow
correct CD-ROM drive detection by the Setup program, leave the device
configuration jumper on the rear connector in the cable select (CS) or
master (MA) positions.
2.1 GB UW-
SCSI
7.2k rpm
4.5 GB UW-
SCSI
7.2k rpm
4.5 GB UW-
SCSI
10k rpm
9.1 GB UW-
SCSI
10k rpm
Manufacturer
Seagate Seagate Seagate Seagate
Product name
Barracuda
4XL
Barracuda
4XL
Cheetah
4LP
Cheetah
9HH
Average seek time
9 ms 9 ms 7.7 ms 8.2 ms
Revolutions per minute (RPM)
7200 7200 10000 10000
Track to track transfer rate
1.7 ms 1.7 ms 0.98 ms 0.98 ms
Maximum internal transfer rate
6 - 8 MB/s 6 - 8 MB/s 12 - 16 MB/s 12 - 16 MB/s
24✕ Max IDE
HP product number D4383A
Formatted storage capacity 650 MB
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