ZX81 ULA

ZX80 / ZX81 hardware and software offered for sale or swapping
Moggy
Posts: 1763
Joined: Wed Jun 18, 2008 2:00 pm

Re: ZX81 ULA

Post by Moggy » Thu Jul 05, 2018 9:33 pm

Never had a problem removing say ULA's from issue 3 boards with just a pump and sucker, and replacing them even easier in the absence of sockets,not ruined one yet.

Like you say damaging the board is the main thing and I've always found spectrum boards to be more fragile than the 81.

Pepper
Posts: 2
Joined: Fri Jul 06, 2018 2:13 pm

Re: ZX81 ULA

Post by Pepper » Fri Jul 06, 2018 2:25 pm

Andy Rea wrote:
Tue Jul 03, 2018 11:12 pm
on your marks....

get set...

GO...
I need to pay more attention!

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gammaray
Posts: 586
Joined: Sun Apr 17, 2016 2:44 am
Location: Texas

Re: ZX81 ULA

Post by gammaray » Fri Jul 06, 2018 9:26 pm

There were four then I went to work and then ...gone!
5-TS1000,UK ZX81<-Sheelagh, US ZX81, 2-TS1500/KDLX , 3-TS2040 printer, 2-TS2020 cassette decks, ZXPAND+AY, ZeddyNET, ZXBlast, UDG, ZX8CCB, AERCO, BUILDS/REPAIRS ZX Spectrum, ZX80 Minstrel, ZXMAX48 v1 v2, 2-TS-2068, ROM, 16kRAM

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Andy Rea
Posts: 1530
Joined: Fri May 09, 2008 2:48 pm
Location: notts UK

Re: ZX81 ULA

Post by Andy Rea » Fri Jul 06, 2018 9:40 pm

fear not more will be coming shortly

Andy
6 x ZX81, 1 x TS1500 , 1 x +3e, 1 x timex 2040 printer, 1 x timex 2020 cassette deck, siclair printer and some spectrum

Moggy
Posts: 1763
Joined: Wed Jun 18, 2008 2:00 pm

Re: ZX81 ULA

Post by Moggy » Fri Jul 06, 2018 10:23 pm

Don't worry guys I predict everybody will end up happy.

Kudos to you Andy, how the hell have you kept your eyesight soldering those tiny little wotnots? :ugeek:

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gammaray
Posts: 586
Joined: Sun Apr 17, 2016 2:44 am
Location: Texas

Re: ZX81 ULA

Post by gammaray » Fri Jul 06, 2018 11:27 pm

I am going to put a heatsink on mine! :D
5-TS1000,UK ZX81<-Sheelagh, US ZX81, 2-TS1500/KDLX , 3-TS2040 printer, 2-TS2020 cassette decks, ZXPAND+AY, ZeddyNET, ZXBlast, UDG, ZX8CCB, AERCO, BUILDS/REPAIRS ZX Spectrum, ZX80 Minstrel, ZXMAX48 v1 v2, 2-TS-2068, ROM, 16kRAM

Lardo Boffin
Posts: 940
Joined: Sat Nov 26, 2016 2:42 am

Re: ZX81 ULA

Post by Lardo Boffin » Fri Jul 06, 2018 11:29 pm

gammaray wrote:
Fri Jul 06, 2018 11:27 pm
I am going to put a heatsink on mine! :D
Don’t tell Moggy! :o
ZX80
ZX81 iss 1 (bugged ROM, kludge fix, normal, rebuilt)
Iss 3 ZXVid
TS 1000 iss 3, ZXPand AY, ZX8-CCB, ZX-KDLX & ChromaSCART
TS 1500
TS 2000
Spectrum 16k (iss 1 s/n 1499)
Various Spectrum 48ks plus a DIVMMC future and SPECTRA

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Andy Rea
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Joined: Fri May 09, 2008 2:48 pm
Location: notts UK

Re: ZX81 ULA

Post by Andy Rea » Fri Jul 06, 2018 11:50 pm

Lardo Boffin wrote:
Fri Jul 06, 2018 11:29 pm
gammaray wrote:
Fri Jul 06, 2018 11:27 pm
I am going to put a heatsink on mine! :D
Don’t tell Moggy! :o
The Cat see's all.... besides you dont need one, you can hold your finger on it all day and it only gets a little warm :D
Moggy wrote:
Fri Jul 06, 2018 10:23 pm
Don't worry guys I predict everybody will end up happy.

Kudos to you Andy, how the hell have you kept your eyesight soldering those tiny little wotnots? :ugeek:
You have to wear Mad professor magnify goggles :mrgreen:
6 x ZX81, 1 x TS1500 , 1 x +3e, 1 x timex 2040 printer, 1 x timex 2020 cassette deck, siclair printer and some spectrum

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gammaray
Posts: 586
Joined: Sun Apr 17, 2016 2:44 am
Location: Texas

Re: ZX81 ULA

Post by gammaray » Sat Jul 07, 2018 12:29 am

I am going to put a small heatsink on mine!
5-TS1000,UK ZX81<-Sheelagh, US ZX81, 2-TS1500/KDLX , 3-TS2040 printer, 2-TS2020 cassette decks, ZXPAND+AY, ZeddyNET, ZXBlast, UDG, ZX8CCB, AERCO, BUILDS/REPAIRS ZX Spectrum, ZX80 Minstrel, ZXMAX48 v1 v2, 2-TS-2068, ROM, 16kRAM

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Andy Rea
Posts: 1530
Joined: Fri May 09, 2008 2:48 pm
Location: notts UK

Re: ZX81 ULA

Post by Andy Rea » Sat Jul 07, 2018 1:02 pm

gammaray wrote:
Sat Jul 07, 2018 12:29 am
I am going to put a small heatsink on mine!
Magnify goggles activated... :mrgreen:
6 x ZX81, 1 x TS1500 , 1 x +3e, 1 x timex 2040 printer, 1 x timex 2020 cassette deck, siclair printer and some spectrum

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