SOYO SY-P4I845PEISA - Manual (Page 61)

BIOS Setup Utility SY-P4I845PEISA/GEISA
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The following tables describe each field in the INTEGRATED
PERIPHERALS Menu and provide instructions on how to configure the
IDE controls, FDC controls, and the onboard serial and parallel ports.
IDE Device Controls
Setting Description Note
Disabled Turn off the on-board
IDE On-Chip PCI IDE
Primary
Secondary
Enabled Use the on-board IDE Default
mode 0-4 0 is the slowest speed
4 is the fastest speed IDE
Primary Master PIO
Primary Slave PIO
Secondary Master PIO
Secondary Slave PIO
Auto For better performance
and stability, we suggest
you use the Auto setting
to set the HDD control
timing. Default
Disabled IDE
Primary Master UDMA
Primary Slave UDMA
Secondary Master UDMA
Secondary Slave UDMA
Auto Select auto to autodetect
UDMA support, or
disabled to use
DMA/PIO. Default