The 845D-AV MAINBOARD
Ver 3.x
Page 32
IDE HDD Block Mode
Block Mode is also called Block Transfer, Multiple Commands, or Multiple Sec-
tor Read/Write. If your IDE hard drive supports Block Mode (most new drives
do) then this field should be enabled. If this field is enabled then the optimal
number of block read/writes per sector the drive can support will be deter-
mined automatically.
POWER ON Function
The POWER ON Function allows you to select different ways to power on your
PC System.
KB Power ON Password
When you select KB Power ON Password to power ON the PC system in the
previous field, you may enter your personal password into this field. When you
are finished , you may use the password to power on your PC system. If you
forget your password refer to section 2.9.5.
Hot Key Power On
When you select Hot Key Power On to Power ON the PC System in the previous
selection field, you may select a set of “Hot Key” in this field . When finished
you may use the hot key combination to power on your PC System.
Onboard FDC Controller
Select Enabled if your system has a floppy disk controller (FDC) installed on
the system board and you want to use it. If you install an add-in FDC or the
system has no floppy drive, select Disabled in this field.
Onboard Serial Port 1/Port 2
These two selection fields allow you to select the I/O address and correspond-
ing interrupts for the first and second serial ports.
UART Mode Select
Your system may offer a variety of infrared modes on the second serial port.
The options are Standard, HPSIR or ASKIR.
RxD, TxD Active
This field allows you to set the IR reception/transmission polarity as high or
low. To determine which polarity is appropriate you must refer to the docu-
mentation for your IR peripheral.
This field is usually found under the Onboard Serial Port 2 option. If you dis-
able the Onboard Serial Port 2 option then you will probably not be able to
configure this field.
IR Transmission Delay
This field allows you to “Enable” or “Disable” the IR Transmission Delay.
UR2 Duplex Mode
This Field allows you to select the IR half or full duplex function.
Managing The PC BIOS
