Motherboard Description
SY-7VMA-B
18
Plug and play with 192 base IO address, 12 IRQ and 4 DMA
options
Ø
Floppy Disk Controller
16bytes of FIFO
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.
1-10.1 Serial Ports
The motherboard has one 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.
1-10.2 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
l
Bi-directional EPP. A driver from the peripheral manufacturer is
required for operation.
l
Bi-directional high-speed ECP
1-10.3 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
Summary of Contents for SY-7VMA-B
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