Triple IRQ Hardware Conflict

July 8, 2015 at 06:48:39
Specs: DOS 7.1, i810
I have a conflict with IRQ 1,4 and 5.[INT 9,0C and 0D]. Is this a triple fault or treated as a double fault and how would I proceed to fix this error.I have
very limited resources from old 3 1/4 diskettes
sitting around from a few years ago with some 8080/88 tech notes,debug and pretty much a
simple boot disk with format and fdisk and an editor.I do not have a disasm editor or any fancy tools as I cannot access my usb. If I could just access my usb I could finish the error with INT 0D to which I have a pretty good idea what this error is.
The problem is I dont have lmod.com and bdrv.exe to simulate the NMI and as such cannot trace it.
So my high level lien in autoexec.bat wont work to trace.
[if %%root==%%echo < nul]

Actually I see where the error occured as the error started when I edited this to remove the
dot from my path in config.sys

[path=c:\dos;..;.;]
now I see another error

here's the correction :

if not %root==%%echo. > nul

dont forget the dot at the echo as it is right after lockdrv.bat


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#1
July 8, 2015 at 08:12:04
Since Nobody is answering-due to lack of knowledge...

I just examined lmod.com with a hex editor and this code is under my system startup

C:>debug
-a 0000:0000

all those si additions are in my system from int 13 ax=0301,write from memory-what I need then is to get a simple,small but powerfl hex editor and zero my drive but however require a way to move the file on a low level format from my usb primary to my primary HDD.

Can anybody tell me this-since I am debugging my own high level codes w/o teh capacity to do so - iw ould think the double percent is not reaquried on the root unless the command interpretor was beign loaded twice.This sometiems ocurs if you load command.com high via shell=.
It would be good to know a low level procedure to do this,but I believe I may be beat as the usb requries a driver to function - what if I disable my hard drive and runt he computer as an 8080 -- then use int 13 a few times to clear the error via dummy ramdrive.I have one on diskette but becasue of an I/O error on one disk i cannot copy it.


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#2
July 8, 2015 at 10:27:48
I suspect that no-one is answering because of the confused nature of the question and lack of hardware information.

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#3
July 8, 2015 at 14:24:43
Sorry I am a newcomer to these sites:

-i810
-PIO 4 Drive with DMA 2 capacity

message edited by Vilhjalmur


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Related Solutions

#4
July 8, 2015 at 14:29:31

ANyways I found a solution to test this pattern for lockdrv.bat.--but

message edited by Vilhjalmur


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#5
July 8, 2015 at 14:30:53
Sorry I am a newcomer to these sites:

-i810
-PIO 4 Drive with DMA 2 capacity

message edited by Vilhjalmur


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#6
July 8, 2015 at 14:36:41
maybe this site is not for me-I'll go to a site where my work is appecatiated but anyways JaySon watch out for that hanging tree

message edited by Vilhjalmur


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#7
July 9, 2015 at 00:59:51
Your haughty attitude won't get you very far on any site.

For IRQ problems first check in cmos/bios setup and see what can be assigned there. And if they involve a PCI card, moving the card to another slot will give it a different IRQ.

Norton Utilities for dos has a good stand alone text editor as well as a wipedisk utility that fit on floppies. I believe though they only work on FAT16 partitions. But you can get zero fill utilities just about anywhere that run from floppies.


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#8
July 9, 2015 at 09:45:47
Debug.com, included with every version of MS-DOS, is all you need to edit a floppy disk. But I still find the OP's question totally incomprehensible. I think he is correct that this is not the forum for him.

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