QuickSpecs
Compaq
Evo
Desktop D300/300s
DA-10948
North America — Version 13 — May 9, 2002
29
Technical Specifications – Optical Storage
48X CD-ROM Drive
Interface
ATAPI IDE
Data buffer
16.6 Mbps
Data transfer rate
Sustained—150 Kbps minimum
(audio)
Variable (CD)—3,000 to 7,200 Kbps
Disk rotation technology
CAV (Constant Angular Velocity)
Access time (ms)
Random: <100 ms
Full-stroke seek: <150 ms
Average access time
< 80 ms
Cache buffer
(standard/maximum)
128 KB
Disk formats read
Multi-session Photo CD, multi-read CD-ROM, CD text, audio CD, CD-I, CD-
RW, CD-R, CD-Extra, CD-ROM XA
Disk formats written
None
Disk capacity (CD)
650 MB
Block size
Mode 1—2,048 bytes
Mode 2—2,340 / 2,336 bytes
CD-DA—2,352 bytes
CD-XA—2,328 bytes
Diameter
12 cm; 8 cm
Thickness
1.2 mm
Track pitch
1.6 µm
Audio output level
Line-out—0.7 V @ 47 Kohm
Headphone—0.6 V @ 32 ohm
Startup time
<7 seconds (typical); < 30 seconds with multi-session
Operating conditions
Temperature
41° to 113° F (5° to 45° C)
Relative humidity
10% to 80%
Dimensions
(HxWxD, maximum)
1.7 x 5.9 x 8.2 inches (4.3 x 15.0 x
20.8 cm)
Weight
2.6 pounds (1200 g)
Operating systems supported
Microsoft Windows 98/98SE, Microsoft Windows 2000, and Microsoft Windows
NT 4.0 SP4 or later
MPEG playback graphics solution
support
None
