Computer Hardware User Manual

ASUS A7V266-M motherboard user guide 61
4.4.2 I/O Device Configuration
Onboard FDC Swap A & B [No Swap]
This field reverses the hardware drive letter assignments of floppy disk drivers.
Configuration options: [No Swap] [Swap AB]
Onboard Serial Port 1 [3F8H/IRQ4]
Onboard Serial Port 2 [2F8H/IRQ3]
These fields set the addresses for the onboard serial connectors. Serial Port
1 and Serial Port 2 must have different addresses. Configuration options:
[3F8H/IRQ4] [2F8H/IRQ3] [3E8H/IRQ4] [2E8H/IRQ10] [Disabled]
UART2 Use As [COM Port]
This field selects the device on which to assign UART2. Configuration options:
[COM Port] [IR] [Smart Card Reader]
Onboard Parallel Port [378H/IRQ7]
This field sets the address of the onboard parallel port connector. If you
disable this field, the Parallel Port Mode and ECP DMA Select configurations
are not available. Configuration options: [Disabled] [378H/IRQ7] [278H/IRQ5]
Parallel Port Mode [ECP+EPP]
This field sets the operation mode of the parallel port. [Normal] allows normal-
speed operation but in one direction only; [EPP] allows bidirectional parallel
port operation; [ECP] allows the parallel port to operate in bidirectional DMA
mode; [ECP+EPP] allows normal speed operation in a two-way mode.
Configuration options: [Normal] [EPP] [ECP] [ECP+EPP]