HP 330 Service Handbook

Power Supply Specifications
Make sure that the computer is properly grounded. It requires a three-
wire power cable and the power supply retaining/grounding screw must
be installed. Also, make sure that the power supply access door is prop-
erly installed.
lL\1aximum
Voltage Tolerance
Current
+5 V de
4.89
to 5.25 V de
20 A
+12 V
11.86 to 12.72 V de
3.6A
-12 V -11.86 to -12.72 V de
1.1 A
Voltage Indicators
Voltage
-12 V de
+5V
+12 V de
Visual Indication
Front Panel "ON" LED Lit
Self-test LED lit
at turn-on.
Front
Panel "ON" LED Lit
L
••••
»>~
IONNC::
+..-..- ::J
+ Ie
e,:)
Motherboard
(component side)
Physical Indication
Small Fan Running
Small Fan Running
.
Large Fan Running
I
J
I
Figure 4-1. Power Supply Test Points
Troubleshooting 39

HP 330 Specifications

General

Storage	500 GB HDD (7200 rpm)
Operating System	Windows 7 Professional 64-bit
Graphics	Intel HD Graphics
Dimensions	14.88 x 6.89 x 15.02 inches
Processors	Intel Celeron, Pentium, Core i3/i5/i7
Processor	Intel Celeron
USB Ports	4x USB 2.0
Optical Drive	DVD-Writer
Network	Gigabit Ethernet