HP d325 Series - Manual (Page 38)

QuickSpecs
HP Business Desktop d325 Series
DA-11642 North America — Version 7 — August 22, 2003 38
Technical Specifications – Optical Storage
48X Combo CD-RW/DVD-ROM 5.25-inch, half-height, tray-load
Color
Carbonite
Orientation Either horizontal or vertical
Interface Type ATAPI
Dimensions (W x H x D) 5.77 x 1.71 x 7.36 in (146.5 x 43.5 x 187 mm) (external, excluding bezel)
Disc Diameter 12 cm, 8 cm
Disc Thickness 0.05 in (1.2 mm)
Track Pitch 1.6 um (CD), 0.74 um (DVD)
Disc Center Hole Diameter 0.6 in (15 mm)
Reference Scanning Velocity 1.2 m/s (CD); 3.49 m/s (DVD SL); 3.84 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-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
Disc Type CD-R and CD-RW Writeable Disc Parameters
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
Random DVD < 140 ms (typical)
Random CD < 125 ms, (typical)
Access Times
(typical reads, including settling)
Full Stroke DVD < 250 ms (seek)
Full Stroke CD < 210 ms (seek)
CD-R write 7200 KB/s (48X) Max Maximum Data Transfer Rates
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