IBM 48X Max, User Manual

Page: 26 / 68

Environmental requirements
Specification Operational Nonoperational
Temperature (noncondensing) +5° C to +45° C
(+41° F to +113° F)
-20° C to +60° C
(-4° F to 140° F)
Relative humidity
(noncondensing)
10% to 80% 5% to 90%
Read speeds
Media Sustained data transfer rates
DVD-ROM (6.5x-16x CAV, 4.7 GB DVD-ROM read): 8.7 to
22.1 MB/s
DVD-ROM (3.3x-8x CAV, 8.5 GB Dual-layer read): 4.4 to 11.0
MB/s
DVD-R (2.5x-6x CAV, 4.7 GB DVD-R read): 3.3 to 8.1
MB/s
DVD+R (2.5x-6x CAV, 4.7 GB DVD+R read): 3.3 to 8.1
MB/s
DVD-R (2.5x-5x CAV, 3.95 GB DVD-R read): 3.3 to 6.7
MB/s
DVD-RAM (2x CLV, 4.7 GB DVD-RAM read): 2.7 MB/s
DVD-RW (2.5x-6x CAV, 4.7 GB DVD-RW read): 3.3 to 8.1
MB/s
DVD+RW (2.5x-6x CAV, 4.7 GB DVD+RW read): 3.3 to 8.1
MB/s
CD-ROM (20x-48x CAV, CD-ROM read): 3.0 to 7.2 MB/s
CD-R (20x-48x CAV, CD-R read): 3.0 to 7.2 MB/s
CD-RW (18x-40x CAV, CD-RW read): 2.7 to 6.0 MB/s
Max Burst data transfer rate:
v
Ultra DMA Mode 2: 33 MB/s
Average access times:
v
DVD-ROM including latency, single layer: 120 ms
v
CD-ROM including latency: 110 ms
v
RW including latency: 110 ms
v 2 MB data buffer
Write speeds
Media Write speeds
CD-R (48X) 3.0 to 7.2 MB/s CAV
CD-RW
v Multi-speed (4X)
v
High-speed (10X)
v
Ultra-speed (24X Max)
v
Ultra Speed+ (32X Max)
v 0.6 MB/s CLV
v
1.5 MB/s CLV
v
2.4 to 3.6 MB/s PCAV
v
3.0 to 4.8 MB/s PCAV
A-2
IBM 48X/32X/48X/16X Max CD-RW/DVD-ROM Combination Drive: User’s Guide