Asus P/E-P55T2P4D User Manual download pdf (Page 47)

42 P/E-P55T2P4D User’s Manual

IRQ xx Used By ISA

These fields indicate whether or not the displayed IRQ for each field is being used

by a Legacy (non-PnP) EISA/ISA card. Two options are available: No/ECU and

Yes. The first option, the default value, indicates either that the displayed IRQ is not

used or an EISA Configuration Utility (ECU) is being used to determine if an EISA/

ISA card is using that IRQ. If you install a Legacy EISA/ISA card that requires a

unique IRQ, and you are not using an ECU, you must set the field for that IRQ to

Yes.

For example: If you install a Legacy EISA/ISA card that requires IRQ 10, then set

IRQ10 Used By ISA to Yes.

DMA x Used By ISA

These fields indicate whether or not the displayed DMA channel for each field is

being used by a Legacy (non-PnP) EISA/ISA card. Available options include: No/

ECU and Yes . The first option, the default setting, indicates either that the displayed

DMA channel is not used or an ECU is being used to determine if an EISA/ISA card

is using that channel. If you install a Legacy EISA/ISA card that requires a unique

DMA channel, and you are not using an ECU, you must set the field for that channel

to Yes .

ISA MEM Block BASE

This field allows you to set the base address and block size of a Legacy EISA/ISA

card that uses any memory segment within the C800H and DFFFH address range. If

you have such a card, and you are not using an ECU 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

EISA/ISA card in your system that requires to use this address range, you can in-

crease the block size to either 8K, 16K, 36K, or 64K.

If you are using an ECU to accomplish this task, leave ISA MEM Block BASE to

its default setting of No/ECU.

IV. BIOS SOFTWARE

(Plug & Play / PCI)

IV. BIOS

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Asus P/E-P55T2P4D User Manual Page 47