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ASUS P2L-VM/P2E-VM User’s Manual 53
IV. BIOS SOFTWARE
IV. BIOS
Plug & Play / PCI
DMA x Used By ISA (No/ICU)
These fields indicate whether or not the displayed DMA channel for each field is
being used by a legacy (non-PnP) ISA card. Available options include: No/ICU and
Yes. The first option, the default setting, indicates either that the displayed DMA
channel is not used or an ICU is being used to determine if an ISA card is using that
channel. If you install a legacy ISA card that requires a unique DMA channel, and
you are not using an ICU, you must set the field for that channel to Yes.
ISA MEM Block BASE (No/ICU)
This field allows you to set the base address and block size of a legacy ISA card that
uses any memory segment within the C800 and DC00 address range. If you have
such a card, and you are not using an ICU to specify its address range, select a base
address from the six available options; the ISA MEM Block SIZE field will then
appear for selecting the block size. If you have more than one legacy ISA card in
your system that requires to use this address range, you can increase the block size
to either 8K, 16K, 32K, or 64K. If you are using an ICU to accomplish this task,
leave ISA MEM Block BASE to its default setting of No/ICU.
Symbios SCSI BIOS (Auto)
Auto allows the BIOS to detect whether you have a Symbios SCSI card, if detected
the onboard Symbios BIOS will be enabled, if not then it will be disabled. Disabled
prevents the onboard Symbios BIOS to be enabled so that the external Symbios
SCSI card’s own BIOS can be used instead. Note: If your Symbios SCSI card does
not have a BIOS the Symbios SCSI card will not function.
USB IRQ (Enabled)
Enabled reserves an IRQ# for the USB to work, Disabled does not allow the USB to
have an IRQ# and therefore prevents the USB from functioning. If you do not use
USB devices, you may Disable this feature to save an extra IRQ# for expansion cards.
TV Standard Select (NTSC)
This allows you to select the video standard for your country. Select either NTSC or
PAL if using the TV-Out feature on this motherboard.
ONB VGA BIOS First (No)
This allows you to select whether you want to use the onboard VGA BIOS as the
primary BIOS. No allows external VGA cards to take precedent when detected. Yes
always uses the onboard VGA card’s BIOS, even when an external VGA card is
installed.
Onboard Audio Chip (Enabled)
This field allows you to enable the onboard audio. If you do not want to use the
onboard audio, select Disabled. Use the following table for system resource alloca-
tion if conflicts occur with your onboard audio.