Read Only Disc
Parameters
Formats and Modes
Supported
CD-ROM – Mode 1; CD-ROM XA – Mode 2
(forms 1 and 2); CD-Bridge; 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; DVD-RW; DVD-RW Multi-
Border; DVD+R; DVD+R Multi-Session, and
DVD+RW
Capacity
180 MB (mode 2, 8 cm); 540 MB (mode 1, 12
cm); 650 MB (mode 2, 12 cm); 700 MB (Mode
2, 12 cm); 4.7 GB (DVD-5); 8.54 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 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; CD-Bridge;
Video CD
Capacity
180 MB (mode 2, 8 cm); 540 MB (mode 1, 12
cm); 650 MB (mode 2, 12 cm); 700 MB (mode
2, 12 cm)
Block Size
CD-DA – 2,352 bytes; mode 0 – 2,336 and
2,352 bytes; mode 1 – 2,048 and 2,352 bytes;
mode 2 – 2,336 and 2,352; mode 2,
form 1 – 2,048 and 2,352 bytes; mode 2,
form 2 – 2,324 and 2,352 bytes
Access Times
(typical reads, including
settling)
Random DVD
< 140 ms (typical)
Random CD
< 125 ms, (typical)
Full Stroke DVD
< 250 ms (seek)
Full Stroke CD
< 210 ms (seek)
Maximum Data
Transfer Rates
CD-R write
7200 KB/s (48X) Max
CD-RW write
1500 KB/s (10X) Max
CD-ROM, CD-R,
CD-RW read
7200 KB/s (48X) Max
DVD ROM read
21,632 KB/s (16X ) Max
DVD RW
QuickSpecs
HP Compaq Business Desktop dx2000 microtower
Technical Specifications - Optical Storage
DA - 11851 North America — Version 37 — March 21, 2007
Page 31
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