Appendix B. Product Specifications - IBM USB 2.0 CD-RW/DVD-ROM Combo II Drive User Manual

Appendix B. Product specifications

This appendix includes the following information:
v Physical specifications
v Power requirements
v Environmental requirements
v Read speeds
v Write speeds
Physical specifications
The physical specifications
Power requirements
The following table lists the power specifications by voltage level for the drive. The
power specifications are measured at the drive power connector and are nominal
values.
Environmental requirements
1. Product-description data represents Lenovo's design objectives and is provided for comparative purposes; actual results might
vary based on a variety of factors. This product data does not constitute a warranty. Data is subject to change without notice.
© Lenovo 2006. Portions © IBM Corp. 2004.
Physical specification
Height
Width
Length
Weight
Power specifications Voltage
AC/Aux Power 5V dc
USB Standard Bus 5V dc
Power
Specification
Temperature (noncondensing) +5° C to +45° C
Relative humidity
(noncondensing)
1
of the drive are listed in the following table.
20 mm (0.78in.)
144 mm (5.66 in.)
145 mm (5.70 in.)
319 g (0.70 lbs.)
Average
750 mA
800 mA
Operational
(+41° F to +104° F)
8% to 80%
Maximum
3.0 A
1.5 A
Nonoperational
-20° C to +60° C
(-4° F to +140° F)
5% to 95%
B-1