SOYO SY-K7VTA User Manual

Page 20

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Motherboard Description

SY-K7VTA

16

Data rates up to 1Mbps

Perpendicular recording driver support

Two FDDs with drive swap support

Plug and play with 48 base IO address, 12 IRQ and 4 DMA

options

The Setup program provides configuration option for the I/O controller.

1-9.1 Serial Ports

The motherboard has two 9-pin D-Sub serial port connectors located on

the back panel. The NS16C5450-compatible UARTs support data transfers

at speeds up to 115.2 Kbits/sec with BIOS support.

1-9.2 Parallel Port

The connector for the multimode bi-directional parallel port is a 25-pin D-

Sub connector located on the back panel of the motherboard. In the Setup

program, there are four options for parallel port operation:
l Compatible (standard mode)
l Bi-directional (PS/2 compatible)
l Bi-directional EPP. A driver from the peripheral manufacturer is

required for operation.

l Bi-directional high-speed ECP

1-9.3 Diskette Drive Controller

The I/O controller is software compatible with the 82077 diskette drive

controller and supports both PC-AT and PS/2 modes. In the Setup program,

the diskette drive interface can be configured for the following diskette

drive capacities and sizes.
l 360 KB, 5.25-inch
l 1.2 MB, 5.25-inch
l 720 KB, 3.5-inch
l 1.2 MB. 3.5-inch (driver required)
l 1.25-1.44 MB, 3.5-inch
l 2.88 MB, 3.5-inch

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