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Compaq Evo Desktop D300/300s
DA-10948 North America — Version 13 — May 9, 2002 30
Technical Specifications – Optical Storage
16X/10X/40X CD-RW Drive Interface ATAPI IDE
Media formats written CD-R and CD-RW
Media capacity 650 MB
Write methods Disc-at-once, track-at-once, session-at-once, fixed packet, and variable
packet
Recording/playing time 74 minutes
Data transfer rates Sustained CD-R write—2,400 Kbps (16X)
CD-RW write (1-4X media) —1,500 Kbps (4X)
CD-RW write (4-10X media) —1,500 Kbps (10X)
CD-RW read—1,500 Kbps (10X)
Digital audio extraction (minimum) —1,500 Kbps (10X)
Variable CD-ROM, CD-R read—1,500 to 6,000 Kbps (10X to
40X)
Data transfer modes ATA PIO mode 4—16.7 Mbps
ATA multi-word DMA mode 2—16.7 Mbps
ATA UltraDMA mode 0—16.7 Mbps (mandatory and default setting)
ATA UltraDMA mode 1—24 Mbps (optional); mode 2—33 Mbps (optional)
Media formats read CD-audio, CD-ROM (modes 1 and 2), CD-ROM XA (mode 2, forms 1 and 2),
single- or multi-session photo CD, CD-I, video CD, CD-text
Access times Random <120 ms typical
Full stroke <200 ms typical
Rotational speed 17X—40X CAV 8,350 RPM, constant
16X CLV 3,424—7,952 RPM
10X CLV 2,140—4,970 RPM
8X CLV 1,712—3,976 RPM
4X CLV 856—1,988 RPM
Start-up time Single <7 seconds typical
Multi-session <30 seconds typical
Stop time <4 seconds
Block size Mode 1—2,048 / 2,352 bytes
Mode 2, Form 1—2,048 / 2,328 / 2,336 / 2,340 / 2,352 bytes
Mode 2, Form 2—2,328 / 2,336 / 2,340 / 2,352 bytes
CD-DA—2,352 / 2,368 bytes
Disc diameter 120 mm or 80 mm
Track pitch
1.6 µm
Disc loading mechanism Half-height, tray load
Operating conditions Temperature 41° to 113° F (5° to 45° C) operating; -4° to 140° F
Humidity 10% to 80%
Mounting orientation Horizontal or vertical
Dimensions Fits in a standard 5.25-inch drive bay
Weight 2.6 pounds (1.2 kg)
Approvals/environmental UL 94 and 1950, CSA, CE, FDA, FCC
Operating systems supported Microsoft Windows 98, Microsoft Windows NT 4.0, Microsoft Windows 2000