HP DL785 HP ProLiant DL785 G5 and G6 Servers - Maintenance and Service Guide, - Page 82

High line, Low line, Power supply output, Acoustic Noise, Advanced Options - proliant g5

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Specification Value Rated input frequency 47- 63 Hz 47- 63 Hz Rated input current 24A at100 V ac 14A at 200 V ac Rated input power 2400 W 2800 W BTUs per hour Power supply output 8189 Low line 9554 High line3 Power supply output Acoustic Noise4 800 W per P.S.U. at 3 P.S.U. active 1200 W per P.S.U. at 3 P.S.U. active Idle LWAd 7.6 B LpAm 58 dBa Operating LWAd 7.6B LpAm 58 dBa 1 all hard drives, power supplies, and processors installed 2 one hard drive, three power supplies, and four processor cells installed 3 IMPORTANT: To ensure the ProLiant DL785 G5 Server has sufficient power during normal operation, a server configured with HP supported high powered graphics cards rated at 225 W or more require high line (200 - 240 V) ac server configuration. As a precaution, if these cards are installed on a low line (100 - 127 V) ac configured server the server will halt at Power-On Self-Test with a "Power Supply Solution not Sufficient" message and only boot to RBSU. At POST, the ProLiant DL785 G5 server automatically detects whether the power supplies are connected to high-line power or low-line power. If the server is configured with high powered graphics cards, the system will halt if it detects that the server is plugged into low-line power. This occurs by design because system configured high power graphics cards, with a large amount of memory, hard drives, or other options might require more power than can be provided by low-line power. POST halts this low-line configuration as a precaution against the server having insufficient power during operation. If a you wish to operate a server with high power graphics cards when utilizing low-line power, the power supply solution should be verified as sufficient using the ProLiant DL785 G5 power calculator at http:// h30099.www3.hp.com/configurator/calc/Power%20Calculator%20Catalog.xls. If the power solution is not deemed sufficient, the server may not have sufficient power to operate normally. If the solution is deemed sufficient, a ROM-Based Setup Utility option, outlined below, can be used to allow the system to operate in this configuration. If the ProLiant DL785 G5 power calculator has determined that the server can be reliably powered at low-line power with high power graphics cards installed, perform the following steps to override the Power Supply Requirements setting in ROM-Based Setup Utility (RBSU): 1. Power down the server and remove the high power graphics cards. 2. Power the server back on and press F9 during POST to access RBSU. 3. Select Advanced Options. 4. Scroll down to Power Supply Requirements Override and choose to enable it. 5. Power down the server and reinstall the graphics cards previously removed. 4 Listed are the declared A-Weighted sound power levels (LWAd) and declared average bystander position A-Weighted sound pressure levels (LpAm) when the product is operating in a 23°C ambient environment. Noise emissions were measured in accordance with ISO 7779 (ECMA 74) and declared in accordance with ISO 9296 (ECMA 109). 82 Specifications

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Value
Specification
47- 63 Hz
47- 63 Hz
Rated input frequency
14A at 200 V ac
24A at100 V ac
Rated input current
2800 W
2400 W
Rated input power
9554
8189
BTUs per hour
High line
3
Low line
Power supply output
1200 W per P.S.U. at 3 P.S.U. active
800 W per P.S.U. at 3 P.S.U. active
Power supply output
Acoustic Noise
4
LWAd 7.6 B
Idle
LpAm 58 dBa
LWAd 7.6B
Operating
LpAm 58 dBa
1
all hard drives, power supplies, and processors installed
2
one hard drive, three power supplies, and four processor cells installed
3
IMPORTANT:
To ensure the ProLiant DL785 G5 Server has sufficient power during normal operation, a server
configured with HP supported high powered graphics cards rated at 225 W or more require high line (200 - 240 V)
ac server configuration. As a precaution, if these cards are installed on a low line (100 - 127 V) ac configured server
the server will halt at Power-On Self-Test with a "Power Supply Solution not Sufficient" message and only boot to
RBSU.
At POST, the ProLiant DL785 G5 server automatically detects whether the power supplies are connected to high-line
power or low-line power. If the server is configured with high powered graphics cards, the system will halt if it
detects that the server is plugged into low-line power. This occurs by design because system configured high power
graphics cards, with a large amount of memory, hard drives, or other options might require more power than can
be provided by low-line power. POST halts this low-line configuration as a precaution against the server having
insufficient power during operation.
If a you wish to operate a server with high power graphics cards when utilizing low-line power, the power supply
solution should be verified as sufficient using the ProLiant DL785 G5 power calculator at
http://
h30099.www3.hp.com/configurator/calc/Power%20Calculator%20Catalog.xls
. If the power solution
is not deemed sufficient, the server may not have sufficient power to operate normally. If the solution is deemed
sufficient, a ROM-Based Setup Utility option, outlined below, can be used to allow the system to operate in this
configuration.
If the ProLiant DL785 G5 power calculator has determined that the server can be reliably powered at low-line power
with high power graphics cards installed, perform the following steps to override the Power Supply Requirements
setting in ROM-Based Setup Utility (RBSU):
1.
Power down the server and remove the high power graphics cards.
2.
Power the server back on and press
F9
during POST to access RBSU.
3.
Select
Advanced Options
.
4.
Scroll down to
Power Supply Requirements Override
and choose to enable it.
5.
Power down the server and reinstall the graphics cards previously removed.
4
Listed are the declared A-Weighted sound power levels (LWAd) and declared average bystander position A-Weighted
sound pressure levels (LpAm) when the product is operating in a 23°C ambient environment. Noise emissions were
measured in accordance with ISO 7779 (ECMA 74) and declared in accordance with ISO 9296 (ECMA 109).
82
Specifications