Table 2-10. Hard Drives - Compaq Deskpro Workstation AP230 Technical Reference Manual

Chapter 2 System Overview
Table 2-9. 48x CD-ROM Drive Specifications
48x CD-ROM Drive Specifications
Parameter
Interface Type
Transfer Rate:
Max. Sustained
Burst
Media Type
Capacity:
Mode 1, 12 cm
Mode 2, 12 cm
8 cm
Center Hole Diameter
Disc Diameter
Disc Thickness
Track Pitch
Laser
Beam Divergence
Output Power
Type
Wave Length
Average Access Time:
Random
Full Stroke
Audio Output Level
Cache Buffer
Table 2-10. Hard Drive Specifications
Parameter
Drive Size
Interface
Drive Protection System Support?
Transfer Rate (max)
Typical Seek Time (w/settling) [1]
Single Track
Average
Full Stroke
Disk Format (logical):
# of Cylinders
# of Data Heads
# of Sectors per Track
Rotation Speed
Drive Fault Prediction
NOTE:
Actual times may vary depending on specific drive installed.
All EMEA units feature Quiet Drives.
2-22 Compaq Deskpro Personal Computers
Table 2-9.
(SP# 187217-B21)
Measurement
4800 KB/s
16.6 MB/s
Mode 1,2, Mixed Mode, CD-DA,
Photo CD, Cdi, CD-XA
550 MB
640 MB
180 MB
8/12 cm
53.5 +/- 1.5
53.6 0.14 mW
790 +/- 25 nm
<100 ms
<150 ms
0.7 Vrms
Table 2-10.
Hard Drive Specifications
Third Edition – April 2001
IDE
15 mm
1.2 mm
1.6 um
GaAs
128 KB
10.0 GB 15.0 GB
3.5" 3.5"
UATA/66 UATA/66
Yes Yes
66.6 MB/s 66.6 MB/s
1.7 ms 2.0 ms
8.5 ms 9.5 ms
15 ms 21 ms
16383 16383
16 16
63 63
7200 RPM 7200 RPM
SMART III SMART III
20.0 GB
5.25"
UATA/100
Yes
100 MB/s
1.0 ms
9.0 ms
20 ms
16383
16
63
7200 RPM
SMART III