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IRQ & CDROM Setup

Posted on 1998-03-10
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Last Modified: 2010-04-12
(1) Recently I got a boot problem (Virus?), then I (reinstall Win95) discoverd that my mouse (COM1) won't work if an internal modem (COM2) is in use (previously no problem).  I used Win95 but I tried in DOS (F8 boot), same problem persist.  I reinstall the modem and found no conflict for IRQ3 & IRQ4?
(2) I used a TEAC 6X CDROM (thru secondary primary IDE), when bootup, cannot be detected by BIOS (Pentinum 100MHz 430Fx motherboard) and it can't be recognoised by Win95 too.
I check with TEAC Corp, they said no Win95 driver is needed (only real mode driver, currently used thru autoexec.bat & config.sys), how can I install (use Win95 default ATAPI protected driver such that My CDROM can read long filname?)
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Question by:cwchin
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cymbolic earned 200 total points
ID: 1018531
1) IRQ3 & 4 are typically used in com 1 & 2 but other interrupts are also available to be used.  You need to check carefully your specs on the modem and make sure you know what interrupt it is trying to use.  Some later cards are set through software, and not strapped, so you need to be clear on that.  Also, there are programs on the web (try FilePile) that will search for and report interrupts in use.  To bad you don't have wfw 3.11, it had the MSD.EXE program that was a good tool for this.

2)Either you have been misinformed or misunderstood what they were saying, becuase 95 does not use the real mode drivers that may get installed via config.sys/autoexec.bat.  These are only used in DOS mode, 95 replaces real mode drivers with it's own drivers on boot up.  Generally, you can go through a process in 95 via the control panel, and add/remove hardware to get accessibility to your devices.  You can try this both with your modem and your CD ROM.  First remove the devices, then add them again, or reboot and allow 95 to autodetect and configure.  


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