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Maintenance and Service Guide
Compaq Presario 7500 Series Computers

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System
Power supply
Diskette drive
Hard drives
DVD drive
CD drives
Mouse
Fax/modem
Zip drive
SPECIFICATIONS

CD Drives (including CD-RW)

32× CD Drive

Dimensions U. S. Metric

Width
Height
Depth

5.75 in
1.67 in
8.23 in
150.1 mm (maximum)
42.9 mm (maximum)
208.0 mm (maximum)
Weight 2.65 lb 1200 grams
Applicable Disc

CD-ROM
CD-DA
CD-R/W
CD-XA
Photo CD

Modes 1 and 2
Audio

Mode 2, Form 1 and 2
Single and Multiple Session
Block Size
CD-ROM Mode 1
CD-ROM Mode 2
CD-DA
CD-XA
2048 bytes
2340, 2336 bytes
2352 bytes
2328 bytes
Diameter 12 cm, 8 cm (drive must support 8 cm adapters)
Thickness 1.2 mm
Track Pitch 1.6 µm
Laser

Divergence Angle
Output Power
Type
Wave Length

53.5 degrees +/- 1.5 degrees
0.14 mW (@ objective lens)
Semiconductor laser GaAIAs
780 nm +/- 25 nm
Access Time
Random
Full Stroke
< 100 ms (typical)
< 150 ms (typical)
Audio Output Level

Line Out

0.7 V (RMS)
Cache Buffer 128 KB (minimum)
Data Transfer Rate

Sustained

150 kB/s (IX, using audio disc)
2100 to 4800 kB/s (14X to 32X variable, w/650 MB disc)
Bus Rate

Burst

4.0 MB/s minimum
Startup Time (Single) < 7 sec (typical)
Startup Time (Multisession) < 30 sec (typical)
Stop Time < 4 sec

CD-RW

Dimensions U. S. Metric

Width
Height
Depth

5.75 in
1.67 in
8.23 in
150.1 mm (maximum)
42.9 mm (maximum)
208.0 mm (maximum)
Weight 2.65 lb 1200 grams
Applicable Disc

CD-ROM
CD-DA
CD-ROM XA
Photo CD

CD-I
CD EXTRA
CD-R/W
Video CD
CD-TEXT

Modes 1 and 2
Audio
Mode 2, Form 1 and 2
Single and Multi Session

Mode 2, Form 1 and 2
Read Only Block Size
CD-ROM Mode 1
CD-ROM Mode 2 Form 1

CD-ROM Mode 2 Form 2
CD-DA
2048 and 2352 bytes
2048, 2328, 2336, 2340, and 2352 bytes

2328, 2336, 2340, and 2352 bytes
2352 and 2368 bytes
Writeable Block Size
CD-ROM Mode 1
CD-ROM Mode 2 Form 1

CD-ROM Mode 2 Form 2
CD-DA
2048 bytes
2048 and 2352 bytes

2352 bytes
2352 and 2368 bytes
Diameter 12 cm, 8 cm (drive must support 8 cm adapters)
Thickness 1.2 mm
Track Pitch 1.6 µm
Laser

Divergence Angle
Output Power
Type
Wave Length

53.5 degrees +/- 1.5 degrees
0.14 mW (@ objective lens)
Semiconductor laser GaAIAs
780 nm +/- 25 nm
Access Time
Random
Full Stroke
150 ms (typical)
350 ms (typical)
Audio Output Level

Line Out

0.7 V (RMS)
Cache Buffer 1 Mbyte (minimum)
Data Transfer Rate

Sustained

150 kB/s (1X, read/write), 300 KB/s (2X, read/write),
600 KB/s (4X, read/write), 1200 KB/s (8X, read), Variable 1500 to 3600  KB/s (10X to 24X, read)
Bus Rate

Burst

4.0 MB/s minimum
Startup Time (Single) < 7 sec (typical)
Startup Time (Multisession) < 30 sec (typical)
Stop Time < 4 sec

 

 

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