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STFM (2 ROM): What EEPROM chips are compatible?

Upgrade or replace the ROM.
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JezC
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Re: STFM (2 ROM): What EEPROM chips are compatible?

Post by JezC »

rubber_jonnie wrote: 25 Sep 2020 14:04 I feel ya, except our kitten is a 6 year old cat......
Yup...it's only when they get past 10 that they seem to spend more time asleep...and let us do the same!

I'm currently being 'helped' by him as I try to catch up on e-mails etc. :roll: :lol:
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rubber_jonnie
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Re: STFM (2 ROM): What EEPROM chips are compatible?

Post by rubber_jonnie »

JezC wrote: 25 Sep 2020 15:00
Yup...it's only when they get past 10 that they seem to spend more time asleep...and let us do the same!

I'm currently being 'helped' by him as I try to catch up on e-mails etc. :roll: :lol:
I am regularly helped by ours in my home office. You know what I mean by 'helped'
Collector of many retro things!
800XL and 65XE both with Ultimate1MB,VBXL/XE & PokeyMax, SIDE3, SDrive Max, 2x 1010 cassette, 2x 1050 one with Happy mod, 3x 2600 Jr, 7800 and Lynx II
Approx 20 STs, including a 520 STM, 520 STFMs, 3x Mega ST, MSTE & 2x 32 Mhz boosted STEs
Plus the rest, totalling around 50 machines including a QL, 3x BBC Model B, Electron, Spectrums, ZX81 etc...
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JezC
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Re: STFM (2 ROM): What EEPROM chips are compatible?

Post by JezC »

@rubber_jonnie Oh yes, with the 'help' of an interested cat it's surprising that anything gets finished!

It's difficult to find the (polite) words for how you feel when all the paperwork you've sorted is suddenly turned back into a random mess on the floor...with the cat rolling on top of it as if to ask for praise for such a 'helpful' contribution. :roll:

I've just been rescued by my wife coming up to see what I was doing...so Bagheera has now gone off with her in search of further mischief (or more likely to wind up our dog!) :D
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rubber_jonnie
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Re: STFM (2 ROM): What EEPROM chips are compatible?

Post by rubber_jonnie »

@JezC We have had to go to extreme lengths with Oliver.

Where he was before we got him, he was allowed to roam free, but because of neighbours/dogs etc where we are, he stays in and gets escorted round the garden as much as possible.

Of course when we first got him, you're supposed to keep them in anyway, but he went bonkers, at all times of the day or night, I can only guess it wasn't dissimilar to having a baby around.

Now we drug him up with Beophar, and he's much more mellow and most of the time doesn't go crazy at all hours.
Collector of many retro things!
800XL and 65XE both with Ultimate1MB,VBXL/XE & PokeyMax, SIDE3, SDrive Max, 2x 1010 cassette, 2x 1050 one with Happy mod, 3x 2600 Jr, 7800 and Lynx II
Approx 20 STs, including a 520 STM, 520 STFMs, 3x Mega ST, MSTE & 2x 32 Mhz boosted STEs
Plus the rest, totalling around 50 machines including a QL, 3x BBC Model B, Electron, Spectrums, ZX81 etc...
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danboid
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Re: STFM (2 ROM): What EEPROM chips are compatible?

Post by danboid »

I don't have the link but I read of someone have having success using 27C512s for TOS but it might not have been in a STFM, if the model of ST matters much?

Do we have any 2 socket TOS upgrade success stories using 27C512s? I've got some here that I'd like to use in my STFM.
The 'Uzebox Omega is a fully open source games console that you can build in a weekend, even with no previous electronics experience:

https://uzebox.org/wiki/Omega
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exxos
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Re: STFM (2 ROM): What EEPROM chips are compatible?

Post by exxos »

You can hack in 27C1001 EPROM in various ways.

https://exxosforum.co.uk/atari/last/tos ... STFMTOSOLD

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