1 System Overview

Specifications and Characteristic Data

 

 

 

 

 

Typical per

Typical per

Desktop

Parameter

Total Rating

Notes

PCI

ISA

Accessory

Accessory

 

 

 

 

 

 

 

 

 

 

Slot

Slot

 

 

 

 

 

 

 

 

Current at +12 V

4.4 A

 

0.2 A

0.2 A

 

 

 

 

 

 

 

 

Current at -12 V

0.5 A

 

0.2 A

0.5 A

 

 

 

 

 

 

 

1.Note that even though the desktop power supply is autoselect, it is not a full range power supply. It works in 2 input voltage range and not in one big 90 V to 240 V range.

2.On minitower models, always check the voltage switch position at first power-on.

 

An attempt to draw too much current (such as a short circuit across edge-

 

connector pins, or an accessory board that is not suitable for these PC

 

Workstations), will cause the overload protection in the power supply to be

 

triggered, and the PC Workstation could fail to boot.

 

Both power supplied on the desktop and minitower models are new

 

compare to the ones used on previous platforms (Vectra VL 6/xxx and XA 6/

 

xxx). The difference is at the V standby level, which has been extended to

 

deliver 300mA instead of 100mA. This extra current is required by the

 

100TX hardware layer so it can perform a remote power-on at reception of a

 

magic frame. Using an older power supply for a repair will prevent a remote

 

power-on at reception of a magic frame.

 

 

NOTE

When the PC Workstation is turned off with the power button on the front

 

panel, the power consumption falls below 5 Watts, but is not zero. The special

 

on/off method used by this PC Workstation extends the lifetime of the power

 

supply. To reach zero power consumption in “off” mode, either unplug the PC

 

Workstation from the power outlet or use a power block with a switch. You

 

should be aware that the PC Workstation will lose its time settings within a

 

few days if you unplug the PC, or switch off the PC Workstation at the power

 

block.

 

 

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HP XA manual Desktop Parameter Total Rating, Current at +12 Current at -12