Intel IB840 User Manual page 46

BIOS SETUP
Onboard FDC Controller
Onboard Serial Port 1
Onboard Serial Port 2
UART Mode Select
Onboard Parallel Port
Parallel Port Mode
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.
OnChip Primary/Secondary PCI IDE
The integrated peripheral controller contains 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 of 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.
On-Chip Serial ATA
The default setting of Auto allows the Serial ATA drive to be enabled,
when the system detects one.
42
Phoenix - AwardBIOS CMOS Setup Utility
SuperIO Device
Enabled
3F8/IRQ4
2F8/IRQ3
Normal
378/IRQ7
SPP
IB840 User' s Manual
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