90
4 Mass Storage Devices
4X IDE CD-Writer Plus
Drive
Some models
1
have a CD-RW (ReWritable) drive supplied in a 5.25-inch
front-access shelf ATAPI, supporting ATAPI commands and with audio
playback capability. It can play any standard CD-Audio disks, in addition to
CD-ROM disks, and can record both write-once (CD-R) and CD-RW optical
media. It conforms to optical and mechanical standards as specified in the
Red, Yellow, Orange and Green Books.
1. Refer to the HP Kayak PC Workstations Service Handbook to find out which
models are installed with the
HP CD-RW drive.
Description
Data capacity 650 MB or up to 74 minutes of audio per disc
547MB in CD-UDF data format
Performance Seek time (1/3 stroke: <150 ms (CD-ROM))
Data transfer rate:
Read: Up to 24X (1X=150 KB/s)
Write: 4X (CD-R); 2X (CD-RW)
Minimum burst transfer rate 2.5Mbytes/sec.
Spin-up time (2X) 2 seconds max. (from spin down state until disc ready)
Initialization time (2X) 5 seconds max. (from new disc inserted until disc ready)
HP fast format time (CD-RW) 5 minutes max.
Disc finalization time (2X 2 minutes typical
Corrected error rate Audio, Mode 2, Mode 2 Form 2: < 1 frame in 10
9
bits read
Mode 1, Mode 2 Form 1: < 1 frame in 10
12
bits read
Buffering 1MByte (>6 sec at 1X speed). If buffered data drops to less than one
sector, the recording stops.
Write methods - Track at once
- Disc at once
- Incremental (packet)
- Multisession
Write verification Automatic Power Control to dynamically adjust laser writer power
Format and EEC standard Red, Yellow, Orange, Green books
MTBF 150,000 hours
Interface ATAPI
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