UltraSatan corruption

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peterhurn
Posts: 2
Joined: 01 Aug 2020 17:40

UltraSatan corruption

Post by peterhurn »

Hi,

I have just received my new UltraSatan from Lotharek.
I connected this to my 1040STE, imaged an SD card in my PC, I copied SYSINFO.PRG to the SD on the PC.

I inserted the SD into the UltraSatan in the Atari, I was able to read and write the SYSINFO.PRG from the SD to the internal floppy.
I executed the SYSINFO.PRG from both the SD and Floppy disk, this worked fine.

I then tried to write the SYSINFO.PRG from the floppy back to the SD and it completely corrupted the SD, files name, folders, pretty much everything corrupted including filename, etc.

I have checked and I have a DMA CO25913-38 PH23-030 9L4 08 installed in the Atari.
I have purchased a socket and a certified DMA from Exxos which is DMA CO25913-38 PH23-030 6J1 81

From reading it sounds as if a number of factors can contribute to the issue I have, my first question is will just replacing the DMA with the one purchased from Exxos likely rectify the issue?

I have other questions regarding replacing the capacitors on the PSU as I can't see a replacement PSU available at the moment, I also understand there was a SIL Resistor Fix, is this still required?

Any suggestions gratefully received.
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exxos
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Joined: 16 Aug 2017 23:19
Location: UK

Re: UltraSatan corruption

Post by exxos »

Replacing the DMA chip may work, were generally replacing the CPU and doing various other fixes is the way to go currently..

https://www.exxosforum.co.uk/forum/viewt ... =17&t=1585

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