Dell OptiPlex 990 - Page 41

DELL™ OPTIPLEX™ 990 TECHNICAL GUIDEBOOK —VERSION 1.5
41
OPTICAL DRIVES (CONT.)
DVD-ROM (CONT.)
MT DT SFF USFF
Power Source
DC Power Requirements 12V, 5V 12V, 5V 5V 5V
DC Current
1200mA (12V)/ 900mA
(5V)
1200mA (12V)/ 900mA
(5V)
800mA 800mA
Environmental Operating Conditions (Non-Condensing):
Operating Temperature
Range
5C to 50C 5C to 50C 5C to 50C 5C to 50C
Relative Humidity Range 20% to 80% RH 20% to 80% RH 20% to 80% RH 20% to 80% RH
Maximum Wet Bulb Tem-
perature
29C 29C 29C 29C
Altitude Range -200 to 3048m -200 to 3048m -200 to 3048m -200 to 3048m
Environmental Non-Operating Conditions (Non-Condensing):
Operating Temperature
Range
-40C to 65C -40C to 65C -40C to 65C -40C to 65C
Relative Humidity Range 5% to 95% RH 5% to 95% RH 5% to 95% RH 5% to 95% RH
Maximum Wet Bulb Tem-
perature
38C 38C 38C 38C
Altitude Range -200 to 10600m -200 to 10600m -200 to 10600m -200 to 10600m