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Copyright (C) 2009-2012 Reserved by ASIX Electronics Corporation
MCS9865 DOS Configuration Tool
User Guide
1.
Introduction
This document provides the information about how to install the serial and parallel ports for
MCS9865 PCI to Serial and Parallel I/O ports on DOS 6.22 environment. Normally any serial and
parallel I/O ports can be supported by BIOS call services in DOS environment. However DOS
supports only 4 serial ports (3F8h, 2F8h, 3E8h, 2E8h) and 3 parallel ports (3BCh/378h/278h).
2.
Files Descriptions
File Name
Description
GEMDOSIN.EXE
MCS9865 DOS Configuration Tool
GMCONFIG.CFG
MCS9865 Serial/Parallel Ports Configuration Data File
3.
Tool Usage
Usage :
GemDosIn
[<options>]
By default, GemDosIn displays COM/LPT ports.
Options
-a[dd] = Add Gemini Ports
-c[onfig]:<parameters> = Configure Gemini Ports
-d[elete] = Delete Gemini Ports
-r[emap] = Remap Gemini ports to legacy ports
-f[ile] = Remap Gemini ports to legacy(Custom IO-Base) ports
-s[ilent] = Silent mode
-u[nused] = remap to all Unused legacy port i/o base, without consideration of COM/LPT
number
-t[est] = Test ports
Config Option Parameters
-c[onfig]:lpt[1|2|3]=[spp|bpp|ppf|epp|ecp]
e.g., -config:lpt=spp would set all LPT ports to SPP
e.g., -c:lpt1=spp would set lpt1 to SPP
e.g., -c:lpt1=spp,lpt2=bpp would set lpt1 to SPP and lpt2=BPP
