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'ISA Cards'
1997\05\02@085451 by Paul Kolesnikoff

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I would like to put some PICs on an ISA card. I have the pin outs for
the ISA slot. My problem is that I don't know what to do with those
pins. I intend to access the card through INP and OUTP, or INPW and
OUTPW if I can make a 16 bit card. Does anyone have a source of info for
making your own ISA card, setting a base address, etc.

Thanks for your help,
Paul Kolesnikoff
spam_OUTpkolesniTakeThisOuTspamball.com

1997\05\02@102645 by Steve Landas

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Theres tons of info out there, couple good ones I know of are:

            ISA system archetecture, by Tom Shanley and Don Anderson, this
is one of the MindShare series.
            Interfacing to the pc, by Willis Tompkins and John Webster, this
is an old book but a pretty good one.

Hope this helps

1997\05\02@121248 by Harold Hallikainen

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       See also "Three Bus Interface Designs for the PC", James R.
Drummond, Inside the IBM PCs, Byte Extra Edition Volume 12, Number 12
(1987), page 225.

Harold


On Fri, 2 May 1997 10:24:30 -0400 Steve Landas <.....SLandasKILLspamspam@spam@AOL.COM> writes:
{Quote hidden}

1997\05\02@160226 by Jussi VainionpŠŠ

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>I would like to put some PICs on an ISA card. I have the pin outs for
>the ISA slot. My problem is that I don't know what to do with those
>pins. I intend to access the card through INP and OUTP, or INPW and
>OUTPW if I can make a 16 bit card. Does anyone have a source of info for
>making your own ISA card, setting a base address, etc.

       You might want to check out http://www.gl.umbc.edu/~msokos1 . I haven't
read the page, but I have quite comprehensive text file about ISA bus that
refers to that URL. If you can't find it, mail me and I'll send it to you.

1997\05\02@175601 by Lee Jones

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> I would like to put some PICs on an ISA card. I have the pin outs for
> the ISA slot. My problem is that I don't know what to do with those
> pins. I intend to access the card through INP and OUTP, or INPW and
> OUTPW if I can make a 16 bit card. Does anyone have a source of info for
> making your own ISA card, setting a base address, etc.

Besides the other books mentioned, there is the IBM PC/AT
Technical Reference manual and a book titled (something like)
"ISA and EISA Bus Handbook" by Ed Solari.  The second is
available from Annabooks, 11848 Bernardo Plaza Court, Suite
110, San Diego CA 92128.


If you're doing prototyping or low volume, you might look
at a card & parts kit with address decode already done.

JDR Microdevices (south San Francisco bay, like San Jose)
has both 8-bit and 16-bit kits.  The printed circuit card
is the right form factor, has the edge fingers to plug into
the connector, and some real estate dedicated to a pre-wired
address decode circuit.  Rest of card is .1" grid of holes
for your circuitry.  They have a seperate kit of IC parts to
do decode & buffering.  Total cost is $50.

                                               Lee Jones

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Jones Computer Communications             leespamKILLspamfrumble.claremont.edu
509 Black Hills Dr, Claremont, CA 91711         voice: 909-621-9008
-------------------------------------------------------------------

1997\05\02@211226 by J.P.D. Kooij

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Hi,

Does anyone have any experience reusing old 8250 serial cards? They're
real cheap - if costing anything at all - at second hand pc-shops.

Maybe (probably) you'd have to cut some traces on the board. That
shouldn't be much of a problem, because the 8250 boards are mostly oldies,
so they're often not multi(>2)layered.

Another option would be to plug your own pcb with a PIC into the uart's
socket.

I haven't tried any of this myself yet, but I'd love to hear if there are
people who have had good experiences with hardware hacks like this.

Cheers,


Joost

P.S. I know this is not a PIC-proper subject and -taken strictly- should
have gone into comp.hardware.homebuilt or some other newsgroup like that
one. But, as the PIC is such a fine controller for hobbyists and starters
because of the low cost and availability of development tools, I hope that
there is some relevance in it and that I might be excused. If not, I shall
promise not to post again to this list for 19 months. ;-)

1997\05\05@153042 by Daniel Holt

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J.P.D. Kooij wrote:
>
> Hi,
>
> Does anyone have any experience reusing old 8250 serial cards? They're
> real cheap - if costing anything at all - at second hand pc-shops.
>
> Maybe (probably) you'd have to cut some traces on the board. That
> shouldn't be much of a problem, because the 8250 boards are mostly oldies,
> so they're often not multi(>2)layered.
>
> Another option would be to plug your own pcb with a PIC into the uart's
> socket.
>
> I haven't tried any of this myself yet, but I'd love to hear if there are
> people who have had good experiences with hardware hacks like this.
>
> Cheers,

I cannot say I'm an expert, but I have used the above technique in a
simple A/D converter project.  I simple removed the UART and pulled the
parallel lines out to a small protoboard.  I got the information from a
Radio Electronics (I think) article called 'QUADI - Quick And Dirty
Interface' from about 3-5 years ago. Sorry I don't know the date, but
the idea worked, and the board was almost free.  Easy access to the port
from  simple basic as well.

--
Daniel Holt - Genetronics Inc.
.....dholtKILLspamspam.....genetronics.com
http://www.genetronics.com
http://rohan.sdsu.edu/home/holt/index.html

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