MSTE 68882 GAL, does someone have one I can buy?

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rthorntn
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MSTE 68882 GAL, does someone have one I can buy?

Postby rthorntn » Thu Jun 28, 2018 8:11 am

Hi,

Please help if you can.

2.06 MSTE

I have a 68882 and I want to put it in the MSTE does anyone have a GAL I can use?

Thanks.

Richard
MSTE (4MB, 2.06) + Lightning VME + SCSI2SD 5.1

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troed
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Re: MSTE 68882 GAL, does someone have one I can buy?

Postby troed » Thu Jun 28, 2018 8:16 am

I could program one for you.

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alexh
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Re: MSTE 68882 GAL, does someone have one I can buy?

Postby alexh » Thu Jun 28, 2018 3:32 pm

I could program one for you too. Where are you based?

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Re: MSTE 68882 GAL, does someone have one I can buy?

Postby rthorntn » Fri Jun 29, 2018 4:46 am

Thanks troed & alexh, I'm in Australia
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alexh
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Re: MSTE 68882 GAL, does someone have one I can buy?

Postby alexh » Fri Jun 29, 2018 8:43 am

Here is the C401092-001 Atari MegaSTe CoProcessor Install Kit manual.

http://www.atariworld.org/files/docs/C3 ... -REV-A.pdf

If the guide is correct, if you don't have jumper W3 you have to remove the motherboard and cut a resistor on the underside of the board before fitting the PAL/GAL.

The GAL file to use I believe is Archived by exxos from Rodolphe called MSTE_881.JED

As for which chip to use, I've seen two examples one uses a TIBPAL16L8-25CN and the other a GAL16V88-15LP unfortunately I cannot source either :(

Is there a newer alternative available in the UK somewhere?

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Re: MSTE 68882 GAL, does someone have one I can buy?

Postby mikro » Fri Jun 29, 2018 12:06 pm

alexh wrote:The GAL file to use I believe is Archived by exxos from Rodolphe called MSTE_881.JED

The original works too. ;)

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Re: MSTE 68882 GAL, does someone have one I can buy?

Postby leech » Fri Jun 29, 2018 4:59 pm

I should probably do this as well, since I plopped one in there before I realized I needed to do anything else. Funny thing is, when I was looking this up, it seems there isn't even all that much software that uses the FPU for the ST, right? I got a few for cheap (I think I even still have a spare or two) and plopped one in all the systems I have that had sockets for them.
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Re: MSTE 68882 GAL, does someone have one I can buy?

Postby troed » Fri Jun 29, 2018 6:57 pm

I have GAL16V8-25 chips. Just send me an address in PM.

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Re: MSTE 68882 GAL, does someone have one I can buy?

Postby rthorntn » Fri Jun 29, 2018 11:16 pm

Thanks everyone!
MSTE (4MB, 2.06) + Lightning VME + SCSI2SD 5.1


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