SBC-GX1 Technical Manual Award BIOS setup
Field Description
Master Drive UDMA
Enables/Disables for the Ultra DMA operation Secondary
Master.
KBC Input clock
Selects the input clock source for the Keyboard controller
either 12MHz or 8MHz can be selected.
On-board FDC Controller
Enables/Disables on-board Floppy disk controller.
On-board Serial ports 1 and
2
Used to set the I/O and IRQ setting for the onboard serial
ports.
On-board Parallel Port
Used to set the I/O and IRQ setting for the onboard
Parallel port.
Parallel Port Mode
Sets Parallel port mode of operation.
ECP mode User DMA
Selects DMA channel to be used when the parallel port is
in ECP mode.
Build in CPU Audio
Enables/Disables the on-board audio controller.
Audio I/O Base Address
Set’s I/O base address for the Audio registers, default
setting 220H.
MPU-401 I/O Base Address
Set’s I/O base address for the Audio registers, default
setting 330H.
Audio IRQ Select
Interrupt line used for Audio support, default is IRQ 5.
Audio Low DMA Select
Set’s 8-bit DMA channel for Audio, default is 1.
Audio High DMA Select
Set’s 16-bit DMA channel for Audio, default is 5.
Multiple Monitor Support
Selects the configuration for supporting more than one
VGA adapter card. This feature can be used to set the
default display when a secondary PCI VGA adapter is
used with the SBC-GX1.
Video Memory Size
The video memory is shared with the main system
memory and can be set to 1.5MB, 2.5MB or 4MB.
The default setting is 2.5MB. Setting this feature to 4M
allows some of the higher resolution modes to be
displayed. (Please refer to the GX1 data sheet supplied
on the support CD.)
Whatever memory you assign to video is not available to
be used as system memory.
© 2004 Arcom Issue D 40
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