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#107019 - 08/30/16 01:30 PM Re: NCR Decision Mate V (DMV) [Re: rfka01]  
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rfka01 Offline
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The ROMs appear to be the three N82S181 right underneath the CPU. My eprommer can't read them, though.

https://www.westfloridacomponents.com/mm5/graphics/L11/82S181-BJA.pdf


NCR DMV- DEC Rainbow- Siemens PCD- ITT 3030-Oly People- Acorn A5000- Olivetti M20
#107020 - 08/30/16 03:21 PM Re: NCR Decision Mate V (DMV) [Re: rfka01]  
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Edstrom Offline
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If you are a solder guy it is pretty easy to make an adapter like this: http://www.retrotechnology.com/restore/fuse_bipolar_prom.html#futuredata

#107021 - 08/30/16 04:46 PM Re: NCR Decision Mate V (DMV) [Re: rfka01]  
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Great link, Edstrom, thanks!

I'm not too keen on de-soldering the PROMs, but I've had good success with clamping a socket over the IC's legs ... I'll get sockets and try to remove the board from the DMV ...


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#107065 - 09/01/16 08:46 PM Re: NCR Decision Mate V (DMV) [Re: rfka01]  
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Got the board out, but can't read the PROMs the easy way frown

It's a WD1001-05 Rev. A12


NCR DMV- DEC Rainbow- Siemens PCD- ITT 3030-Oly People- Acorn A5000- Olivetti M20
#107387 - 09/23/16 08:12 AM Re: NCR Decision Mate V (DMV) [Re: rfka01]  
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According to this site,

http://www.prof-80.fr/wd1002-05-controller

in addition to the Kaypro 10, the WD1002-HD0 from the external DMV kits is also used on the TRS-80 1, III and IV.
From a MAME perspective, what would the WD1002-HD0 need to become to be usable by all the different machines? A device? What would be an example of that?

As for the WD1001-05 from the internal kit, can anyone, preferrably in Europe, read the N82S181 ROMs and perform the soldering?


NCR DMV- DEC Rainbow- Siemens PCD- ITT 3030-Oly People- Acorn A5000- Olivetti M20
#107911 - 11/16/16 11:06 PM Re: NCR Decision Mate V (DMV) [Re: rfka01]  
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Al Kossow Offline
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Originally Posted By rfka01
According to this site,

http://www.prof-80.fr/wd1002-05-controller

in addition to the Kaypro 10, the WD1002-HD0 from the external DMV kits is also used on the TRS-80 1, III and IV.
From a MAME perspective, what would the WD1002-HD0 need to become to be usable by all the different machines? A device? What would be an example of that?

As for the WD1001-05 from the internal kit, can anyone, preferrably in Europe, read the N82S181 ROMs and perform the soldering?


Eric Smith was just asking about WD1001-05 rom dumps. Was anyone ever able to do this?

#107912 - 11/17/16 12:15 AM Re: NCR Decision Mate V (DMV) [Re: rfka01]  
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Lord Nightmare Offline
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If the board was sent here I could desolder and dump the proms...

LN


"When life gives you zombies... *CHA-CHIK!* ...you make zombie-ade!"
#107922 - 11/17/16 12:41 PM Re: NCR Decision Mate V (DMV) [Re: rfka01]  
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LN, if you send me a pm with your address again, I'll ship the WD1001 to you next week.


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#107930 - 11/17/16 05:23 PM Re: NCR Decision Mate V (DMV) [Re: rfka01]  
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Al Kossow Offline
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Originally Posted By rfka01
LN, if you send me a pm with your address again, I'll ship the WD1001 to you next week.



take a look at www.bitsavers.org/pdf/westernDigital/WD100x/WD1001-05/ I'm curious if this is the same board with the same rev of firmware

#107934 - 11/18/16 12:52 PM Re: NCR Decision Mate V (DMV) [Re: rfka01]  
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rfka01 Offline
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Al, I've got a rev. A12, and you can see the board in the pics in archive https://dl.dropboxusercontent.com/u/55419307/NCR%20DMV/DMV%20Internal%20HD%20K012.zip


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