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4.1.11 Integrated Peripherals
Option
On-Chip Primary/Secondary
On-Chip Primary IDE
Master PIO
Slave PIO
Master UDMA
Slave UDMA
On-Chip Secondary IDE
Master PIO
Slave PIO
Master UDMA
Slave UDMA
IDE HDD Block Mode
Onboard PCI SCSI Chip
Ethernet Controller 1 and 2
USB Keyboard Support
PS/2 Mouse Function Control
Onboard FDC Controller
Onboard Serial Port 1
Onboard Serial Port 2
IRQ Line
Onboard Serial Port 3
Serial Port 3 Mode
Onboard Serial Port 4
IRQ Line
Onboard Parallel Port
Parallel Port Mode
ECP Mode Use DMA
BIOS
Setup
Possible
Defaults
Defaults
Settings
En.
En.
En./Dis.
Auto,
Auto
Auto
Modes
0-4
Auto,
Dis.
Auto
Disabled.
Dis.
En.
En./Dis.
En.
En.
En./Dis.
En.
En.
En./Dis.
OS
OS
OS/BIOS
Auto
Auto
Auto/Dis.
En.
En.
En./Dis.
Dis,
3F8/IRQ4,
3F8/
3F8/
2F8/IRQ3,
IRQ4
IRQ4
3E8/IRQ4,
2E8/IRQ3
3F8,2F8,
Dis
2F8
3E8, 2E8
Disabled
3
3
3,4,5,7
Dis,
3F8/IRQ4,
3E8/
3E8/
2F8/IRQ3,
IRQ4
IRQ4
3E8/IRQ4,
2E8/IRQ3
RS-232
RS-232
RS-232
RS-422
RS-485
3F8,2F8,
Dis
2E8
3E8, 2E8
Disabled
3
3
3,4,5,7
378/
378/
IRQ7
IRQ7
ECP
ECP
+
+
EPP1.9
EPP1.9
3
3
1, 3
4-14
Description
Select Enabled to activate the Primary/Secondary IDE
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
increased performance and speed. In Auto mode, the system
automatically determines the best mode for each device. If you
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
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/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
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.
Enables/disables the onboard SCSI controller.
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
controller.
When set to Auto, the PS/2 mouse is automatically enabled, if
it is present.
Select Disabled to disable the onboard floppy disk controller
(FDC).
Select a COM port address and IRQ# for Serial Port 1
Select a COM port address for Serial Port 2.
Sets IRQ line for serial port 2
Select a COM port address and IRQ# for Serial Port 3
Select the operation mode for Serial Port 3.
Select a COM port address for serial port 4.
Sets the IRQ line for serial port 4.
Select a LPT address and IRQ# for the physical parallel
(printer) port. Possible settings are:
Disabled, 3BC/IRQ7, 378/IRQ7, 278/IRQ5,
Select an operating mode for the onboard parallel port. Select
ECP or EPP unless you are certain both your hardware and
software does not support ECP or EPP mode.
Possible settings are SPP, EPP1.9+SPP, ECP, ECP+EPP1.9,
Normal, EPP1.7+SPP, ECP+EPP1.7
Select a DMA channel for the parallel port.
Software Setups
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