QuickSpecs
48X Combo CD-
48X Combo CD-48X Combo CD-
48X Combo CD-
RW/DVD-ROM
RW/DVD-ROMRW/DVD-ROM
RW/DVD-ROM
Form Factor
Form FactorForm Factor
Form Factor
5.25-inch, half-height, tray-load
Mounting Orientation
Mounting OrientationMounting Orientation
Mounting Orientation
Horizontal or vertical
Interface
InterfaceInterface
Interface
ATAPI/EIDE
Dimensions
Dimensions Dimensions
Dimensions
(HxWxD)
5.77 x 1.71 x 7.87 [max] inches; 14.66 x 4.34 x 20.0 [max] cm (external,
excluding bezel)
Weight
WeightWeight
Weight
(max)
2.6 lb (1.2 kg)
Read Only Disc
Read Only DiscRead Only Disc
Read Only Disc
Parameters
ParametersParameters
Parameters
Formats and Modes
Formats and ModesFormats and Modes
Formats and Modes
Supported
SupportedSupported
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 Multisession , and DVD+RW
Capacity
CapacityCapacity
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)
CD-ROM, CD-R, CD-RW
CD-ROM, CD-R, CD-RWCD-ROM, CD-R, CD-RW
CD-ROM, CD-R, CD-RW
read
readread
read
7200 KB/s (48X) Max
DVD ROM read
DVD ROM readDVD ROM read
DVD ROM read
21,632 KB/s (16X ) Max
Writeable Disc
Writeable DiscWriteable Disc
Writeable Disc
Parameters
ParametersParameters
Parameters
Disc Type
Disc TypeDisc Type
Disc Type
CD-R and CD-RW
Write Methods
Write MethodsWrite Methods
Write Methods
Disc at Once, Track at Once, Session at Once,
Variable Packet, Fixed Packet
Format and Modes
Format and ModesFormat and Modes
Format and Modes
Supported
SupportedSupported
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
CapacityCapacity
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)
CD-R write
CD-R writeCD-R write
CD-R write
7200 KB/s (48X) Max
CD-RW write
CD-RW writeCD-RW write
CD-RW write
4800 KB/s (32X) Max
Access Times
Access TimesAccess Times
Access Times
(typical reads, including
settling)
Random DVD
Random DVDRandom DVD
Random DVD
< 140 ms
Random CD
Random CDRandom CD
Random CD
< 125 ms, (typical)
Full Stroke DVD
Full Stroke DVDFull Stroke DVD
Full Stroke DVD
< 250 ms
Full Stroke CD
Full Stroke CDFull Stroke CD
Full Stroke CD
< 210 ms
Startup Time
Startup Time Startup Time
Startup Time
(single)
< 7 seconds (typical)
Startup Time
Startup Time Startup Time
Startup Time
(multi-
session)
< 30 seconds (typical)
Stop Time
Stop TimeStop Time
Stop Time
(typical)
< 4 s
Cache Buffer
Cache BufferCache Buffer
Cache Buffer
2 MB (minimum)
Data Transfer Modes
Data Transfer ModesData Transfer Modes
Data Transfer Modes
ATA PIO mode 4 (16.7 MB/s); ATA Multi-word
DMA mode 2 (16.7 MB/s); ATA UltraDMA Mode
3 44 Mbytes/s (default)
QuickSpecs
HP xw4400 Workstation
HP xw4400 WorkstationHP xw4400 Workstation
HP xw4400 Workstation
Technical Specifications - Optical Devices
DA - 12568 Canada — Version 12 — March 2, 2007
Page 59