Aaeon SBC-780, Руководство пользователя

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F u l l - S i z e C P U C a r d S B C - 7 8 0
Chapter3 Award BIOS Setup 3 - 18
²
IDE HDD Block Mode
Block mode is also called “block transfer”, “multiple
commands”, or “multiple sector read/write”. If your IDE hard
drive supports block mode, please select “Enabled” for
automatic detection of the optimal number of block read/write
per sector the drive supports.
The choices: Enabled, Disabled
² Onboard Serial Port 1/ Port 2
Normally, the board’s I/O chips will occupy a certain portion
of memory space. For each I/O device, the computer provides
and I/O address. The more devices attached the more address
needed to organize the memory storage areas. If all the I/O
devices are fun running through the same address, your
devices would come to a near halt. Also, the corresponding
interrupt needs to be selected.
The choices: Disabled, 3F8/IRQ4, 2F8/IRQ3, 3E8/IRQ4,
2E8/IRQ3, Auto
²
UART 2 Mode
If you do not disable Onboard Serial Port 2, you will have to
select an operating mode for the second serial port.
The choices: Standard, HPSIR, ASKIR
If you select HRSIR or ASKIT, you have to set the following
tow functions.
²
IR Function Duplex
Select the value required by the IR device connected to
the IR port. Full-duplex mode permits simultaneous
two-direction transmission. Half-duplex mode permits
transmission in one direction only at a time.
The choices: Full, Half