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OnChip IDE Device
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
On-Chip channel0/channel1 PCI IDE
The mainboard chipset contains a PCI IDE interface with support for two IDE channels. These two IDE
channels are for IDE1 and SATA1/2/3/4 connectors use. Select "Enabled" to activate the first and/or
second IDE interface. Select "Disabled" to deactivate the interface if you are going to install a primary
and/or secondary add-in IDE interface. Options: Enabled (default)、Disabled
IDE channel0/ channel1/Master/Slave PIO
The IDE PIO (Programmed Input / Output) fields let you set a PIO mode (0-4) for each of the IDE
devices that the onboard IDE interface supports. Modes 0 to 4 will increase performance incrementally.
In Auto mode, the system automatically determines the best mode for each device. Options: Auto
(default)、Mode0、Mode1、Mode2、Mode3、Mode4.
IDE channel0 /channel1 /Master / Slave UDMA
Ultra DMA 100 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 100, select "Auto" to
enable BIOS support.
Options: Auto (default)、Disabled
***OnChip Serial ATA Setting***
On-Chip Serial ATA
This field allows you to select the on-chip Serial ATA operating mode which will determine how you will
use your Serial ATA drives with the other standard IDE drives. This system can physically attach 2 IDE
drives and 4 SATA drives but will have certain limitations as described below.
Options：
Disabled
Disable on-chip serial ATA. No Serial ATA devices installed.
Auto(default)
BIOS will auto-detect the presence of any SATA devices.
2 (or 1) IDE drivers + 4 (or 3) SATA drivers
2 (or 1) IDE drivers + 2 (or 1) SATA drivers (Must connect with SATA1 +3 or
with SATA2+4)
4 ( or 3 or 2 or 1)SATA drivers
2 (or 1) IDE drivers
Combined Mode
Windows
device and therefore you must use this mode to allow the SATA device to
simulate an IDE device by assuming the role of one IDE channel in the system.
Combined Mode
Disabled
®
98/ME can recognize IDE devices but cannot directly recognize an SATA
33
PX915P4/ PX915G4 Series
Enhanced Mode
SATA only
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