Difference between revisions of "COM Ports and Related Hardware in Windows"

Revision as of 06:53, 18 July 2007

STANDARD COM PORT & MODEM SETTINGS + KERMIT TERMINAL FOR DOS

Typically on 486 hardware with Windows 95:

• mouse on com 2
• modem on com 3

Standard COM and LPT port addressing for Windows 3.1/3.11/95/95OSR2/95OSR2.5/98/98SE

• onboard com1: 3f8 irq4
• onboard com2: 2f8 irq3
• parallel  : 378 irq7

-for more on com ports see "mcom.txt"

MODEM

• COM: 3 IRQ: 4

HOW TO USE KERMIT TO TEST COM PORTS:

>set po 1 	(set onboard port 1)
>set ba 1200	(set baud 1200)
>c		(terminal mode)
<alt>-X		(exit terminal mode)
1200 good for testing mouse

HOW TO USE DEBUG TO TEST COM PORTS

debug
-d 40:0

IDE ADDRESSES (HARDDRIVES AND CD ROM DRIVERS)

            address, irq
primary     1F0,     14
secondary   170,     15
tertiary    1E8,     11
quadriary   168,     12

SYSTEMS FINDS TWO GAME PORTS, TWO WAV OR SOUND DEVICES

This system has a sound card and a modem as two seperate cards but they are connected by an audio cable.

System kept finding two of each device, solution:

under INTERGRAGED PERIPHERIALS in award bios change:

• PCI slot IDE two channel: DISABLED
• Onboard Gameport: DISABLED

• Onboard Parallel Mode: ECP+EPP (bad)
• Onboard Parallel Mode: EPP (bad)

• ECP Enhanced Communications Port
• EPP Enhanced Parallel Port
• SPP Standard Parallel Port