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Cardinal jumper settings?

Posted on 1999-07-19
Medium Priority
Last Modified: 2013-12-27
I have a Cardinal Technologies modem, model #020-0461, according to the cool white sticker.  Apparently Cardinal was bought out by Hayes, which in turn declared Chapter 11.  As a result, there are no online manuals or other resources that I can find for this modem.

I need a diagram or list of the jumper settings for this modem.  I'd prefer to hard set it to COM2, IRQ3, but am willing to try plug and pray if need be.
Question by:dabadgy
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LVL 12

Accepted Solution

Otta earned 400 total points
ID: 1150336
A company named "Modem Express" bought the Hayes assets from the bankruptcy trustee.
So, take another look at the "new"  http://WWW.HAYES.COM

The Cardinal modem that I have purchased have been *VERY*
similar to the US Robotics Sportster V.90 modem,
i.e., Cardinal purchased chip-sets from Texas Instruments,
just as USR does, and Cardinal licensed the X2/V.90 technology from USR.

So, if the jumper-settings are not silk-screened
onto the modem, then just "pretend" that you have a USR modem.


Author Comment

ID: 1150337
Of course, I have to try it...:)  I did discover that the modem I have is a 28.8 anyway, so chances are I'm going to be buying a 56K to actually use.  But I will get my hands on a USR manual and check the jumper settings and let you know what I find out.
LVL 12

Expert Comment

ID: 1150338
I looked at one Cardinal 28.8 modem,
and the jumper-block was clearly labelled:
(COM1, COM2, COM3, COM4, IRQ3, IRQ4, IRQ5, IRQ7, IRQ9),
and it was set to COM4/IRQ3.

Author Comment

ID: 1150339
The modem I have has an A0, A1, 4, 5, 2, 3 on on side of the jumper block.  The other side has 1,2,3,4,5,6.  Those are the only markings on this one.
LVL 12

Expert Comment

ID: 1150340
> modem has A0, A1, 4, 5, 2, 3 on on side of the jumper block ...

So, you have a two-by-two grid, using A0 and A1,
and the two nearest pins,
which gives you four combinations (COM1 through COM4),
and you have to close one of IRQ4/IRQ5/IRQ2/IRQ3.

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