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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