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BIOS SETUP
MB900-R User’s Manual 37
Phoenix - AwardBIOS CMOS Setup Utility
SuperIO Device
POWER ON Function
BUTTON ONLY
ITEM HELP
KB Power ON Password
Enter
Hot Key power ON
Ctrl-F1
Onboard FDC Controller
Enabled
Onboard Serial Port 1
3F8/IRQ4
Onboard Serial Port 2
2F8/IRQ3
UART Mode Select
Normal
RxD , TxD Active
Hi, Lo
IR Transmission Delay
Disabled
UR2 Duplex Mode
Half
Use IR Pins
IR-Rx2Tx2
PWRON After PWR-Fail
Off
Menu Level >
IDE HDD Block Mode
This field allows your hard disk controller to use the fast block mode to
transfer data to and from your hard disk drive.
IDE DMA Transfer Access
This field, by default, is enabled
On-chip Primary PCI IDE Enabled
This field, by default, is enabled
OnChip Primary/Secondary PCI IDE
The integrated peripheral controller contain s an IDE interface with
support for two IDE channels. Select Enabled to activate each channel
separately.
IDE Primary/Secondary Master/Slave PIO
These fields allow your system hard disk controller to work faster. Rather
than have the BIOS issue a series o f commands that transfer to or from
the disk drive, PIO (Programmed Input/Output) allows the BIOS to
communicate with the controller and CPU directly.
The system supports five modes, numbered from 0 (default) to 4, which
primarily differ in timing. When Auto is selected, the BIOS will select the
best available mode.
IDE Primary/Secondary Master/Slave UDMA
These fields allow your system to improve disk I/O throughput to
33Mb/sec with the Ultra DMA/33 feature. The options are Auto and
Disabled.