Athena IIII User Manual Rev A.00
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Page
35
To modify the console redirection settings:
1.
Enter the BIOS.
2.
Select the Advanced menu.
3.
Select Serial Port Console Redirection.
4.
In Com Port Address, select Disabled to disable the function, On-board COM A for COM1, or On-board
COM B for COM2 (default).
If you select Disabled, you will not be able to enter BIOS again during power-up through the serial port.
To reenter BIOS when console redirection is disabled, you must install a video monitor or LCD and use a
keyboard. Erasing the CMOS RAM returns the BIOS to its default settings.
Note:
Before erasing CMOS RAM, write down any custom BIOS settings you have made.
If you selected COMA or COMB, continue with the configuration, as follows.
1.
For Console Type, select PC ANSI.
2.
You can modify the baud rate and flow control here if desired.
3.
At the bottom, for Continue C.R. after POST, select Off (default) to turn off after POST or select On to
remain on always.
4.
Exit the BIOS and save your settings.
8.3
Flash Memory
Athena III contains a 2048KB, 16-bit wide flash memory chip for storage of BIOS and other system configuration
data.
8.4
Backup Battery
Athena III contains an integrated RTC/CMOS RAM backup battery. This battery has a capacity of 120mAH and
will last over three years in power-off state.
The on-board battery is activated for the first time during initial factory configuration and test. Storage
temperature of the board can affect the total battery life. Storage at 23ºC is recommended.
8.5
System Reset
Athena III contains a chip to control system reset operation. Reset occurs under the following conditions.
User causes reset with a ground contact on the
Reset
input
Input voltage drops below 4.75V
Over-current condition on output power line
The ISA Reset signal is an active high pulse with a 200ms duration. The PCI Reset is active low, with a typical
pulse width duration of 200 msec.