Acorp 4845GLQ, Manual

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1-21
Chapter 1 Motherboard 4845GLQ
Intel
ICH4
VIA
mPGA478B Socket 478
Intel
845GL
VT610 5
IT8712F LPC IO
BIOS
VIA
VT6306
1.7.9 Front Panel Connectors: PANEL1
PSSW
The system power is controlled by a momentary switch
connected to this lead. Pushing the button once will switch
the system ON.
Power LED Lead (PW_LED)
The system power LED lights when the system power is on.
Speaker Connector (SPEAKER)
The speaker (onboard or offboard) provides error beep code
information during the Power Self-Test when the computer
cannot use the video interface. The speaker is not connected
to the audio subsystem and does not receive output from the
audio subsystem.
Hard Drive LED Connector (HD_LED)
This connector supplies power to the cabinet IDE activity LED.
Read and write activity by devices connected to the Primary or
Secondary IDE connectors will cause the LED to light up.
PS SW
(+)
Front Panel Connectors
11
1 3
1 5
1 7
1 9
1
3
5
7
9
1 2
1 4
1 6
1 8
2 0
2
4
6
8
1 0
SMI LED
RST
EXTSMI
HD LED
SPEAKER
PW LED
(Void)
(Void)
(+) (+)
(+)
(-)
(+)