HP45816A 20MB Hard
Disc
Subsystem
The HP45816A 20MB hard disc drive
chassis
is
41.1 mm high,
146.05mm wide, and 202.2mm deep. It fits
in
either
of
the half-
height drive slots, however, the cabling
is
best managed when the
hard disc drive
is
installed
in
the lower slot.
The
following table
describes the performance
of
the HP45816A when installed
in
the
HP
Vectra pc.
Table 9.6
HP45816A Drive Performance
Formatted Capacity/Drive
Formatted Capacity/Surface
Formatted CapacityfTrack
Formatted Capacity/Sector
SectorfTrack
Data
Transfer
Rate
Track-to-Track
Seek
Time
Average
Access
Time
Maximum
Seek
Latency
Rotational
Speed
Recording
Density
Flux
Density
Track
Density
Cylinders
ReadlWrite
Heads
Discs
Recording
scheme
Dissipation
112
Disc
Drives
21.09 Mbyte
5 Mbyte
8,704
bytes
512
bytes
17
5.0 Mbit/sec
20
msec
85
msec
205
msec
8.33
msec
3,600
RPM
+
/-
1
0
/0
9,784
BPI
9,784
Fel
588 tpi
606
4
2
MFM
15 watts typical