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Modem problems

By Mike (from Canada) ·
My PCI modem doesnt work in dos.

I see the following in my modem properties.

The interrupt resource ( IRQ ) assigned to this modem may not match the interrupt that DOS applications should be configured to use. The correct settings for DOSapplications using this modem are shown below.
No changes are required to the modem hardware settings, it is already correctly installed. This note only refers to configuring DOS applications that use this modem.No changes are required to the modem hardware settings, it is already correctly installed. This note only refers to configuring DOS applications that use this modem.

the enable dos support check box is grayed out. How do I enable dos support?

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Modem problems

by Curacao_Dejavu In reply to Modem problems

My first question would be, why do you need the modem in dos ? (I am a dos guy :) long time ago )
seriously though, post a note with the irq number of the modem.
I can not recall exactly but I recall that a dos program may not see a modem on a irqhigher than 4. I think ea the bitware v 4 had this problem.
So 1: if possible change the irq manually to irq 1 to 4.
2 check with the modem documentation for help on this or their website.
3 check with the modem software (for dos), it may supportthe irq after all.

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Modem problems

by Mike (from Canada) In reply to Modem problems

I have done those steps. If my modem had jumpers on it, I wouldnt have a problem. but I can set it to any IRQ. I am making dos applicaions that require modem access.

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Modem problems

by razzadaz In reply to Modem problems

Problem may reside in the name file length. Rename modem with less than 32 characters.

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Modem problems

by Mike (from Canada) In reply to Modem problems

Poster rated this answer

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Modem problems

by Mike (from Canada) In reply to Modem problems

about answer #2: It might help me but I do not understand which file you are referring to. and how do I rename a modem?

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Modem problems

by jwpluto In reply to Modem problems

The other replies look like they may help. But, if your modem is a "Winmodem", which is a large part of what's being sold these days, they don't work in DOS mode. Winmodems use the PC processor to take care of some work that the standard modems do themselves, such as flow control. So Winmodems can't be seen by DOS or enabled for DOS. Main reason why they're less expensive - they have fewer components.

Check which type of modem you have. If you paid less that $50 or so, it's most likely a Winmodem.

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Modem problems

by Mike (from Canada) In reply to Modem problems

It is a Diamond Multimedia SUP2260 PCI modem. I think it should work in dos. I did come across an Enable MS-DOS support page with the checkbox grayed out.

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Modem problems

by Netuser In reply to Modem problems

You need to use DOS-based communication software to enable DOS support. Try ProComm for DOS.

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Modem problems

by Mike (from Canada) In reply to Modem problems

that has nothing to do with it. they depend on the com ports to be present.

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Modem problems

by jwpluto In reply to Modem problems

I did some digging and found some good information. First, about HCF modems, which are also known as winmodems. But the good news is that Diamond MM, on their website diamondmm.com, has some FAQ's on their modems. The URL for the DOS problem is too long to give you here so I'm quoting their answer. You might refer to this site if you need more info.
(15773) - I am not able to use DOS programs with my SupraMAX PCI modem. The DOS support tab does not let me enable DOS support.

Directly quoted from Diamond Multimedia:

We have seen this issue with the 2.1.2.122 and 2.1.2.127 (beta) drivers. Upgrade the drivers to 2.1.2.154. These drivers can be found on our Drivers/Firmware page under V.90 upgrades at:

http://www.diamondmm.com
In addition to this, you may need to disable COM2 in the BIOS in order for DOS apps to work. It will typically try to use COM2, IRQ3 for DOS apps, and if you still have COM2 enabled in the BIOS, it may not allow you to turn on the DOS compatibilityunder the Drivers tab in Device Manager for the SupraMax.

15773 FAQ

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