IBM 28L2234, User Manual

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Write/Read speeds
The following table lists the CD-ReWritable drive’s write/read speeds
for different media.
Drive-performance specifications
The following table lists the performance specifications of the
CD-ReWritable drive.
Burst data transfer rate 11.1 MB 7 per second (ATA PIO Mode
3)
13.3 MB per second (ATA Multi Word
DMA Mode)
Average access time (including latency) 150 ms (10-24X, CAV)
Drive Write/Read Speeds:
Cache memory (Read/Write) 1 MB
Function Speed
Disc diameter 12 cm (8 cm Read only)
Read (CD-ROM/CD-R disc) 1X, 2X, 4X, 8X, 10-24X (CAV)
Rotational speed innermost track 600 rpm (1X)
1200 rpm (2X)
2400 rpm (4X)
4800 rpm (8X)
5000 rpm (10-24X, CAV)
Read (CD-RW disc) 1X, 2X, 4X, 8X
Read (unfinalized CD-R/CD-RW
disc) 1X, 2X, 4X
Write (CD-R disc) 1X, 2X, 4X
Rotational speed outermost track 200 rpm (1X)
400 rpm (2X)
800 rpm (4X)
5000 rpm (24X)
Write (CD-RW disc) 2X
Mean time between failures (MTBF) 100 000 POH (duty 25%)
Drive performance:
Feature Specification
Sustained data transfer rate 150 KB per second (Mode 1, 1X,
read/write)
1500-3600 KB per second (Mode 1,
10-24X CAV)
7 The formatted capacity of 1 MB is approximately 1 000 000 bytes of data.
3-12 IBM 2X/4X/24X CD-ReWritable Internal IDE Option Kit