4
A
A
X
X
4
4
B
B
/
/
A
A
X
X
4
4
B
B
P
P
r
r
o
o
O
O
n
n
l
l
i
i
n
n
e
e
M
M
a
a
n
n
u
u
a
a
l
l
GPO (General Purpose Output) Connector ...................................................................................................................53
Front Audio Connector...................................................................................................................................................54
Die-Hard BIOS (AX4B Pro only, Upgrade optional)........................................................................................................55
Dr. LED Connector ........................................................................................................................................................57
Dr. Voice (AX4B Pro only) .............................................................................................................................................59
JP1 Buzzer and JP2 Speaker Enable/Disable Jumper...................................................................................................60
Battery-less and Long Life Design.................................................................................................................................61
Over-current Protection .................................................................................................................................................62
Hardware Monitoring .....................................................................................................................................................63
Resettable Fuse ............................................................................................................................................................64
2200µF Low ESR Capacitor...........................................................................................................................................65
Layout (Frequency Isolation Wall) .................................................................................................................................66
Enlarged Aluminum Heatsink.........................................................................................................................................67
Driver and Utility..........................................................................................................................68
Auto-run Menu from Bonus CD Disc..............................................................................................................................69
Installing Intel® Chipset Software Installation Utility......................................................................................................70
Installing Intel IAA Driver...............................................................................................................................................71
Installing Onboard Sound Driver....................................................................................................................................72
ACPI Suspend to Hard Drive.........................................................................................................................................73