IBM 48X - Manual (Page 24)

The following table lists the environmental specifications for the CD-RW drive. You
can mount the drive vertically or horizontally.
Environmental requirements
Environmental Requirements:
Specification Operational Nonoperational
Temperature (noncondensing) +5° C to +45° C
(+41° F to +113° F)
-40° C to +60° C
(-40° F to + 140° F)
Relative humidity
(noncondensing) 8% to 80% 5% to 90%
Write/Read speeds
The following table lists the write/read speeds for the CD-RW drive.
Drive Write/Read Speeds:
Function Supported Speed
Read (CD-ROM/CD-R) 20-48x (CAV)
Read (CD-RW/Audio) 17-40x (CAV)
Write (CD-R disc) 20-48x (CAV)
Write (CD-RW disc) 16-32x (Z-CAV) or 20-32x (P-CAV)
Media Speed Compatibility
The following table lists the media speed compatibility for the CD-RW drive.
Function CD-R Media Compatibility CD-RW Media
Compatibility
Reads ALL ALL
Writes 4x, 8x, 12x, 16x, 24x, 32x,
40x, 48x Multispeed (1x2x4x, 4x,
1x-4x)
High Speed (4x-10x, 8x-10x,
10x, 12x)
Ultra Speed (24x, 32x)
Note: Media or drive speed must support the listed write speed of the media.
Drive-performance specifications
The following table lists the performance specifications of the CD-RW drive.
Drive performance:
Feature Specification
Burst data transfer rate 16.7 MB (1 MB is approximately 1 000
000 bytes of data) per second (ATA PIO
Mode 4) 16.7 MB per second (ATA
multi-word DMA Mode 2), 33.3 MB per
second (Ultra DMA Mode 2)
14 48X/32X/48X Max CD-RW Drive: User’s Guide