HP Compaq Business PC dc7600 - Manual (Page 43)

48X/32X/48X CD-RW
Drive Orientation Either horizontal or vertical
Disc loading
mechanism Half-height, tray load
Interface type ATAPI IDE
Dimensions-external
(W x H x D) 7.99 x 5.88 x 1.71 in (20.3 x 14.93 x 4.34 cm)
Weight 2.6 lb (1.2 kg)
Disc diameter 12 cm, 8 cm
Disc thickness 1.2 mm
Track pitch 1.6 µm
Disc center hole
diameter 15 mm
Reference scanning
velocity 1.2 m/s
Recording/playing time80 minutes with CD-R media
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
Capacity 185 MB (Mode 2, 8cm); 540 MB (Mode 1, 12
cm); 650 MB (Mode 2, 12 cm); 700 MB (Mode
2, 12 cm)
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
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 185 MB (Mode 2, 8cm); 540 MB (Mode 1, 12
cm);
650 MB (Mode 2, 12 cm); 700 MB (Mode 2,
12 cm)
Block size Mode 1-2,048 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) Random < 120 ms
Full stroke < 200 ms
Data transfer rates CD-RW write 4800 KB/s (up to 32X)
CD-ROM, CD-R read 7200 KB/s (up to 48X)
CD-RW read 7200 KB/s (up to 32X)
CD-R write 7200 KB/s (up to 48X)
Data transfer modes ATA PIO mode 4 (16.7MB/s); ATA multi-word DMA mode 2 (16.7 MB/s);
ATA UltraDMA mode 0 (16.7 MB/s) ;ATA UltraDMA mode 1 (24 MB/s) ;
ATA UltraDMA mode 2 (33 MB/s) - default.
Cache buffer 2 MB (minimum)
QuickSpecs
HP Compaq dc7600 Business PC
Technical Specifications - Optical Storage
DA - 12253 Worldwide QuickSpecs — Version 24 — 4.6.2006 Page 43