HP A4500A - VMEbus Single Board Computer 744 Motherboard Hardware Manual page 53
Hardware manual - rp24xx, customer viewable
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Also See for A4500A - VMEbus Single Board Computer 744 Motherboard:
- Manual (114 pages) ,
- Programmer's manual (109 pages) ,
- Safety and regulatory information manual (24 pages)
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Cooling Requirements
The temperature and humidity specifications shown below are the maximums and standards at which server
cooling parameters have been established.
Parameter
Non-Operating
a
o
Temperature
-40
(-40
Operating
5% to 90%,
Humidity
non-condensing at
o
25
a. At altitudes up to 3,000 meters.
b. Repetitive
c. Non-repetitive
Chapter
Temperature and Humidity Specifications
Maximum
Recommended
Operating
Range
o
o
C to +65
C
20
to 25
o
o
o
F to 149
F)
(70
40% - 50%,
non-condensing at
o
o
C (77
F)
25
C (77
Maximum
Operating
Range
o
o
C
5
C to 35
o
o
to 77
F)
(41
15% - 80%,
non-condensing
o
F)
at 25
Cooling Requirements
Rate Of Change
(per hour)
Range
o
o
C
10
C (50
o
o
F to 95
F)
20
C (68
o
20
F (-7
o
30
F (-1
30% RH/hour
o
o
C (77
F)
o
b
F) R
o
c
F) N
o
b
C) R
o
c
C) N
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