BIOS Setup
IDE HDD Block Mode
Enabled The IDE HDD uses the block mode. The system BIOS will check the hard disk drive for the maximum block size the system can transfer. The block size will depend on the type of hard disk drive.
Disabled The IDE HDD uses the standard mode.
IDE DMA Transfer Access
This field, when Enabled, will enhance the IDE DMA transfer of an IDE hard disk drive.
On-Chip Primary PCI IDE and On-Chip Secondary PCI IDE
These fields allow you to enable or disable the primary and second- ary IDE controller. Select Disabled if you want to add a different hard drive controller.
IDE Primary Master/Slave PIO and IDE Secondary Master/Slave
PIO
PIO means Programmed Input/Output. Rather than have the BIOS issue a series of commands to effect a transfer to or from the disk drive, PIO allows the BIOS to tell the controller what it wants and then let the controller and the CPU perform the complete task by themselves. Your system supports five modes, 0 (default) to 4, which primarily differ in timing. When Auto is selected, the BIOS will select the best available mode after checking your drive.
Auto The BIOS will automatically set the system according to your hard disk drive’s timing.
Mode
3
7 5
