KM400A Series
35
IDE Prefetch Mode
E interface, set this option to “Disabled” if the interface does not
of the IDE
ance
tem automatically determines the best mode for each device.
e1
、
Mode2
、
Mode3
、
Mode4.
rimary / Secondary /Master / Slave UDMA
Ultra DMA/133 functionality can be implemented if it is supported by the IDE hard drives in your
system. As well, your operating environment requires a DMA driver (Windows 95 OSR2 or a third
party IDE bus master driver). If your hard drive and your system software both support Ultra
DMA/133, select “Auto” to enable BIOS support.
Options: Auto (default)
、
Disabled
IDE HDD Block Mode
Block mode is otherwise known as block transfer, multiple commands, or multiple sector read/write.
Select the “Enabled” option if your IDE hard drive supports block mode (most new drives do). The
system will automatically determine the optimal number of blocks to read and write per sector.
Options: Enabled (default)
、
Disabled
VIA OnChip PCI Device
If you highlight the “VIA OnChip PCI Device” label and then press the enter key, it will take you a
submenu with the following options:
AC’97 Audio
This option allows you to control the onboard AC’97 audio.
Options: Enabled (default)
、
Disabled
Onboard 1394 Device (only for KM400A PRO-1394)
This option allows you to control the onboard 1394 device.
Options: Enabled (default)
、
Disabled
Onboard LAN Device (for KM400A PRO-1394/ KM400A PRO)
This option allows you to control the onboard LAN device.
Options: Enabled (default)
、
Disabled
The “onboard” IDE drive interfaces supports IDE prefetching for faster drive access. If you install a
primary and/or secondary add-in ID
support prefetching. Options: Enabled (default)
、
Disabled
Primary/Secondary/Master/Slave PIO
The IDE PIO (Programmed Input / Output) fields let you set a PIO mode (0-4) for each
evices that the onboard IDE interface supports. Modes 0 to 4 will increase perform
d
incrementally. In Auto mode, the sys
Options: Auto (default)
、
Mode0
、
Mod
P
