QuickSpecs
Compaq Evo D500 Series
with Intel Celeron Processors
DA-10947 North America — Version 14 — April 2, 2002 22
Technical Specifications – Optical Storage
8X/4X/32X DVD/CD-RW Combo
Drive
Orientation
Either horizontal or vertical
Tray load
5.25 inch half-height
Interface type
ATAPI
Dimensions—external,
excluding bezel
(W x H x D)
5.8 x 1.7 x 7.7 inches (146.5 x 42.1 x 196 mm)
Disc diameter
5 inches, 3 inches (12 cm, 8 cm)
Disc thickness
0.05 inch (1.2 mm)
Track pitch
1.6 µm (CD), 0.74 µm (DVD)
Disc center hole diameter
0.6 inch (15 mm)
Reference scanning
velocity
1.2 m/s (CD); 3.5 m/s (DVD SL); 3.8 m/s (DVD DL)
Read only disc parameters
Formats and modes
supported
CD-ROM—Mode 1; CD-ROM XA—Mode 2 (forms
1 and 2); CD digital audio; CD Extra; CD-I—Mode
2 (forms 1 and 2) and CD-I-Ready; Photo CD
(single and multi-session); video CD; DVD (single-
and double-layer); DVD-R (3.95-GB); DVD-R (4.7-
GB)
Capacity 540 MB (CD— mode 1, 12 cm); 650 MB (CD—
mode 2, 12 cm); 700MB (CD-ROM—80 minutes);
180 MB (CD-ROM—8 cm); 4.7 GB (DVD-5); 8.5
GB (DVD-9); 9.4 GB (DVD-10)
Block size Mode 1—2,048 and 2,352 bytes; mode 2, form
1—2,048, 2,328, 2,336, 2,340 and 2,352 bytes;
mode 2, form 2—2,328, 2,336, 2,340 and 2,352
bytes; CD-DA—2,352 and 2,368 bytes; DVD—
2,048 bytes
Writeable disc parameters
Disc type CD-R and CD-RW
Write methods Disc at Once, Track at Once, Session at Once,
Variable Packet, Fixed Packet
Format and modes supported CD-ROM (mode 1); CD-ROM XA (mode 2, forms
1 and 2); CD digital audio, CD-I (mode 2, forms 1
and 2); video CD
Capacity 540 MB (mode 1, 12 cm); 650 MB (mode 2, 12
cm); 700 MB (CD-ROM, 80 minutes); 180 MB
(CD-ROM, 8 cm)
Block size Mode 1 Disc type—2,048 bytes; mode 2, form 1—
2,048 and 2,352 bytes; mode 2, form 2—2,352
bytes; CD-DA—2,352 bytes
Access times (typical reads,
including settling)
Random < 130 ms (typical)
Full stroke < 240 ms (typical)
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