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3.
Plug the power cord and turn ON the computer.
4.
Hold down the <Del> key during the boot process and enter BIOS setup to
re-enter data.
DO NOT short-circuit the pins except when clearing the RTC RAM. Short-circuiting or
placing a jumper cap will cause system boot failure!
If the steps above do not help, remove the onboard button cell battery and short the two
pins again to clear the CMOS RTC RAM data. After clearing the CMOS, reinstall the button
cell battery.
12. COM Port header
The COM (Serial) Port header allows you to connect a COM port module.
Connect the COM port module cable to this header, then install the module
to a slot opening on the system chassis.
The COM port module is purchased separately.
13. COM Debug header
This header allows connection to a COM Debug card.
The COM Debug Card is purchased separately.
14. Front Panel Audio header
The Front Panel Audio header is for a chassis-mounted front panel audio
I/O module that supports HD Audio. Connect one end of the front panel
audio I/O module cable to this header.
We recommend that you connect a high-definition front panel audio
module to this header to avail of the motherboard's high-definition
audio capability.
15. LPT header
The LPT (Line Printing Terminal) header supports devices such as a
printer. LPT standardizes as IEEE 1284, which is the parallel port interface
on IBM PC-compatible computers.
16. System Management Bus header
The System Management Bus (SMBus) connector allows you to connect a
SMBus device. This connector is generally used for communication with the
system and power management-related tasks.
Pro A620M-C
COM
PIN 1
COM_DEBUG
PIN 1
AAFP
PIN 1
HD-audio-compliant
pin definition
LPT
PIN 1
SMBUS
PIN 1
1-5
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