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MegaST ROM adapter - black screen

Upgrade or replace the ROM.
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HigashiJun
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Joined: 19 Jun 2020 07:21
Location: Tokyo

Re: MegaST ROM adapter - black screen

Post by HigashiJun »

There are also one or two bad solder joints on the top of the board...
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HigashiJun
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Joined: 19 Jun 2020 07:21
Location: Tokyo

Re: MegaST ROM adapter - black screen

Post by HigashiJun »

Badwolf wrote: 02 Feb 2024 22:43 Start of January. It's not EPROM bitrot. I'm still using uncovered EPROMS from two years ago.

What I would suggest is putting the EPROM in the dualtos-equipped STFM I know Arti has to check the ROM is working and is the right one!

BW
It could have been January 2020... :lol:

Just kidding, but I had an EPROM which got blank after being left uncovered and exposed to daylight after much less than 2 years.
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arti040
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Location: Poland

Re: MegaST ROM adapter - black screen

Post by arti040 »

Yea, previous ROMs, for STE, which @Badwolf prepared for me few months ago work fine in my exxos' STE adapter (which I have bought assembled by the way) so I presume, problem is in this MegaST one, which I assembled by myself. Checked all pins - everything is OK, I guess...
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Badwolf
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Re: MegaST ROM adapter - black screen

Post by Badwolf »

arti040 wrote: 03 Feb 2024 19:09 Yea, previous ROMs, for STE, which @Badwolf prepared for me few months ago work fine in my exxos' STE adapter
Oh, sorry -- I misremembered that it was an -FM.

BW
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