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4.1.11 Integrated Peripherals
Option
BIOS
Defaults
On-Chip Primary/Secondary
En.
On-Chip Primary IDE
Master PIO
Slave PIO
Auto
Master UDMA
Slave UDMA
On-Chip Secondary IDE
Master PIO
Slave PIO
Dis.
Master UDMA
Slave UDMA
IDE HDD Block Mode
Dis.
Onboard PCI SCSI Chip
En.
Ethernet Controller 1 and 2
En.
USB Keyboard Support
OS
PS/2 Mouse Function Control
Auto
Onboard FDC Controller
En.
3F8/
Onboard Serial Port 1
IRQ4
Onboard Serial Port 2
Dis
IRQ Line
3
3E8/
Onboard Serial Port 3
IRQ4
Serial Port 3 Mode
RS-232
Onboard Serial Port 4
Dis
IRQ Line
3
378/
Onboard Parallel Port
IRQ7
ECP
Parallel Port Mode
+
EPP1.9
ECP Mode Use DMA
3
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Setup
Possible
Defaults
Settings
Select Enabled to activate the Primary/Secondary IDE
En.
En./Dis.
channel. The four options below appear only if the On-Chip
Primary option is enabled.
Use this option to set a PIO mode (0-4) for each of the
onboard IDE devices. Modes 0 through 4 provide successively
Auto,
increased performance and speed. In Auto mode, the system
Auto
Modes
automatically determines the best mode for each device. If you
0-4
select a mode that the drive does not support, it may not work,
so choose a lesser value or Auto to see the best mode for the
drive.
Ultra DMA/33 implementation is possible only if your IDE hard
drive supports it and the operating environment includes a
Auto,
DMA driver (Windows 95 OSR2 or a third-party IDE bus
Auto
Disabled.
master driver). If your hard drive and your system software
both support Ultra DMA/33, select Auto to enable BIOS
support.
Block mode is also called block transfer, multiple commands,
or multiple sector read/write. If your IDE hard drive supports
En.
En./Dis.
block mode (most new drives do), select Enabled for automatic
detection of the optimal number of block read/writes per sector
the drive can support.
En.
En./Dis.
Enables/disables the onboard SCSI controller.
En.
En./Dis.
Enables/disables the onboard Ethernet controller.
This option is for DOS and BIOS support only (Win 95 has it is
own drivers). It does not enable or disable the USB
OS
OS/BIOS
controller.
When set to Auto, the PS/2 mouse is automatically enabled, if
Auto
Auto/Dis.
it is present.
Select Disabled to disable the onboard floppy disk controller
En.
En./Dis.
(FDC).
Dis,
3F8/IRQ4,
3F8/
Select a COM port address and IRQ# for Serial Port 1
2F8/IRQ3,
IRQ4
3E8/IRQ4,
2E8/IRQ3
3F8,2F8,
2F8
3E8, 2E8
Select a COM port address for Serial Port 2.
Disabled
3
3,4,5,7
Sets IRQ line for serial port 2
Dis,
3F8/IRQ4,
3E8/
2F8/IRQ3,
Select a COM port address and IRQ# for Serial Port 3
IRQ4
3E8/IRQ4,
2E8/IRQ3
RS-232
RS-232
RS-422
Select the operation mode for Serial Port 3.
RS-485
3F8,2F8,
2E8
3E8, 2E8
Select a COM port address for serial port 4.
Disabled
3
3,4,5,7
Sets the IRQ line for serial port 4.
Select a LPT address and IRQ# for the physical parallel
378/
(printer) port. Possible settings are:
IRQ7
Disabled, 3BC/IRQ7, 378/IRQ7, 278/IRQ5,
Select an operating mode for the onboard parallel port. Select
ECP
ECP or EPP unless you are certain both your hardware and
+
software does not support ECP or EPP mode.
EPP1.9
Possible settings are SPP, EPP1.9+SPP, ECP, ECP+EPP1.9,
Normal, EPP1.7+SPP, ECP+EPP1.7
3
1, 3
Select a DMA channel for the parallel port.
4-14
Software Setups
Description
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