Asus TX97 User Manual - Page 44

IDE 0 Master/Slave PIO/DMA Mode, IDE 1 Master/Slave PIO/DMA Mode Auto

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IV. BIOS SOFTWARE UART2 Use Infrared (Disabled) When enabled, this field activates the onboard infrared feature and sets the second serial UART to support the infrared module connector on the motherboard. If your system already has a second serial port connected to the onboard COM2 connector, it will no longer work if you enable the infrared feature. By default, this field is set to Disabled, which leaves the second serial port UART to support the COM2 serial port connector. Onboard PCI IDE Enable (Both) You can select to enable the Primary IDE channel, Secondary IDE channel, Both, or Disable both channels (for systems with only SCSI drives). IDE Ultra DMA Mode (Auto) This sets the IDE UltraDMA to be active when using UltraDMA-capable IDE devices. The BIOS will automatically adjust or disable this setting for slower IDE devices so that Auto or high settings will not cause problems for older IDE devices. Choose Disable if you do not want this feature for all devices. IDE 0 Master/Slave PIO/DMA Mode, IDE 1 Master/Slave PIO/DMA Mode (Auto) Each channel (0 and 1) has both a master and a slave making four IDE devices possible. Because each IDE device may have a different Mode timing (0, 1, 2, 3, 4), it is necessary for these to be independent. PIO and DMA timings can be independently set. The default setting of Auto will allow autodetection to ensure optimal performance. IV. BIOS (Chipset Features) (Chipset Features) 44 ASUS TX97 User's Manual

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ASUS TX97 User’s Manual
44
(Chipset Features)
IV.
BIOS SOFTWARE
IV.
BIOS
(Chipset Features)
UART2 Use Infrared (Disabled)
When enabled, this field activates the onboard infrared feature and sets the second
serial UART to support the infrared module connector on the motherboard. If your
system already has a second serial port connected to the onboard COM2 connector,
it will no longer work if you enable the infrared feature. By default, this field is set
to
Disabled
, which leaves the second serial port UART to support the COM2 serial
port connector.
Onboard PCI IDE Enable (Both)
You can select to enable the
Primary
IDE channel,
Secondary
IDE channel,
Both
, or
Disable
both channels (for systems with only SCSI drives).
IDE Ultra DMA Mode (Auto)
This sets the IDE UltraDMA to be active when using UltraDMA-capable IDE de-
vices. The BIOS will automatically adjust or disable this setting for slower IDE
devices so that Auto or high settings will not cause problems for older IDE devices.
Choose
Disable
if you do not want this feature for all devices.
IDE 0 Master/Slave PIO/DMA Mode, IDE 1 Master/Slave PIO/DMA Mode (Auto)
Each channel (0 and 1) has both a master and a slave making four IDE devices possible.
Because each IDE device may have a different Mode timing (
0, 1, 2, 3, 4
), it is necessary
for these to be independent. PIO and DMA timings can be independently set. The default
setting of
Auto
will allow autodetection to ensure optimal performance.