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Newcomer arriving soon...

Blogs & guides and tales of woo by forum members.
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HigashiJun
Posts: 2469
Joined: Fri Jun 19, 2020 7:21 am
Location: Tokyo

Re: Newcomer arriving soon...

Post by HigashiJun »

Nobody's home today, and I was thinking what to do on this rainy and boring day...

STRAM.JPG
STRAM.JPG (533.04 KiB) Viewed 37 times

New RAM chips are already delivered, but I guess I will solder them next week...

I also had to repair 2 broken pins on my previous RAM board:

Pins.JPG
Pins.JPG (421.23 KiB) Viewed 37 times

Sorry for this little mess, but I do not have any fancy laser etching stuff, so I had to do everything with me DREMEL. :(

Have to seal everything now with my chip sealant and it will look neater...

8-)
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rubber_jonnie
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Re: Newcomer arriving soon...

Post by rubber_jonnie »

Very neat repair :)

:girldance:
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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Joined: Mon Aug 28, 2017 11:44 pm

Re: Newcomer arriving soon...

Post by JezC »

Very neat - is this to upgrade the ST RAM to 10 Meg?

Apparently the board in my TT can be upgraded with a DRAM change too, so will be interesting to see how you get on!
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HigashiJun
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Joined: Fri Jun 19, 2020 7:21 am
Location: Tokyo

Re: Newcomer arriving soon...

Post by HigashiJun »

rubber_jonnie wrote: Sat Oct 24, 2026 9:08 am Very neat repair :)

:girldance:
Thanks !
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HigashiJun
Posts: 2469
Joined: Fri Jun 19, 2020 7:21 am
Location: Tokyo

Re: Newcomer arriving soon...

Post by HigashiJun »

JezC wrote: Sat Oct 24, 2026 9:11 am Very neat - is this to upgrade the ST RAM to 10 Meg?

Apparently the board in my TT can be upgraded with a DRAM change too, so will be interesting to see how you get on!
Thanks.

Yes, the repaired board (through hole RAM chips) was intended to be used for a 10MB upgrade, but it went a bit wrong...

Will get back to it when time allows.

My new board has already, as you can see on the previous picture, all its chips removed and ready to be replaced with the following ones:

New.JPG
New.JPG (404.31 KiB) Viewed 11 times
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rubber_jonnie
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Re: Newcomer arriving soon...

Post by rubber_jonnie »

HigashiJun wrote: Sat Oct 24, 2026 9:48 am
JezC wrote: Sat Oct 24, 2026 9:11 am Very neat - is this to upgrade the ST RAM to 10 Meg?

Apparently the board in my TT can be upgraded with a DRAM change too, so will be interesting to see how you get on!
Thanks.

Yes, the repaired board (through hole RAM chips) was intended to be used for a 10MB upgrade, but it went a bit wrong...

Will get back to it when time allows.

My new board has already, as you can see on the previous picture, all its chips removed and ready to be replaced with the following ones:


New.JPG

I see much soldering in your future :)
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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