HP Workstation i2000 hp workstation i2000 owner's guide (a6037-90003) - Page 127

Appendix A: Power System, Description / Power Usage

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hp workstation i2000 owner's guide 12. Appendix A: Power System Description / Power Usage The processor power envelope is currently rated as 130 Watts. This figure encompasses future growth in processor power due to higher operating frequency and possible larger caches. The i2000 uses this envelope figure. The SDRAM sub-system power envelope is currently 260 W for 32 and 8 device DIMMs installed. All thermal envelopes assume a Memory sub-system clock rate of 66 MHz. CAUTION Do not exceed a combined power output of 220 W for the +5 V and +3.3 V outputs. Exceeding a combined 220 W will overload the power subsystem and may cause the power supply to overheat and malfunction. • Maximum continuous total DC output power should not exceed 800 Watts. • Maximum continuous combined load on +3.3VDC and +5VDC outputs shall not exceed 220 Watts. • Maximum continuous combined load on +3.3VDC, +5VDC and +12VIO outputs shall not exceed 320 Watts. • Maximum peak total DC output power should not exceed 820 Watts. 12.1 Power Supply Input Voltages The power supply is capable of supplying full rated output power over two input voltage ranges that are switch selectable and rated 100-127 VAC and 200-240 VAC RMS nominal. The power supply automatically recovers from AC power loss. The input voltage, current, and frequency requirements for continuous operation are stated below. The power supply must be able to start up under peak loading at 90V AC. / NOTE Nominal voltages for test purposes are considered to be within ±1.0 V of nominal. 127

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hp workstation i2000 owner’s guide
127
12.
Appendix A: Power System -
Description / Power Usage
The processor power envelope is currently rated as 130 Watts.
This figure
encompasses future growth in processor power due to higher operating frequency and
possible larger caches.
The i2000 uses this envelope figure.
The SDRAM sub-system power envelope is currently 260 W for 32 and 8 device DIMMs
installed.
All thermal envelopes assume a Memory sub-system clock rate of 66 MHz.
CAUTION
Do not exceed a combined power output of 220 W for the +5 V and +3.3 V outputs.
Exceeding a combined 220 W will overload the power subsystem and may cause
the power supply to overheat and malfunction.
•
Maximum continuous total DC output power should not exceed 800 Watts.
•
Maximum continuous combined load on +3.3VDC and +5VDC outputs shall not
exceed 220 Watts.
•
Maximum continuous combined load on +3.3VDC, +5VDC and +12V
IO
outputs
shall not exceed 320 Watts.
•
Maximum peak total DC output power should not exceed 820 Watts.
12.1
Power Supply Input Voltages
The power supply is capable of supplying full rated output power over two input voltage
ranges that are switch selectable and rated 100-127 VAC and 200-240 VAC RMS
nominal.
The power supply automatically recovers from AC power loss.
The input
voltage, current, and frequency requirements for continuous operation are stated below.
The power supply must be able to start up under peak loading at 90V AC.
/
NOTE
Nominal voltages for test purposes are considered to be within ±1.0 V of nominal.