setup
Section 2
MVE486 System Board
Hidden
Refresh
Quick
This option, when enabled will reduce the amount
Memory Test
of time the POST will spend testing DRAM memory.
Ports
Serial, Parallel)
Use these fields to enable or disable the port(s)
and/or select the port address.
Parallel
Parallel
Parallel
Parallel
Serial
Serial
Serial
Serial
This feature enables the
to refresh the
DRAM during CPU cycles not otherwise used for
refresh.
This improves system performance by
about 3%.
Note: Depending upon the DRAM being used,
(commonly 4 and
the hidden refresh
feature may exceed the timing parameters of the
DRAM. If memory problems are encountered, dis-
able this feature.
Note: Since some operating systems assign a
logical
or
to a phyiscal port, use the
following data to select the serial and parallel port
settings.
A d d r e s s
3BCh
7
7
278h
5
378h
5
_
4
3
4
3
Normally
LPT2
LPT3
Optional*
COM2
COM3
COM4
* Note: These are optional settings, and may not
be compatible with all operating systems.
Copyright 1993
Version
2 - 9
