ql+ prototype rebuild ? possible
- Sparrowhawk
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Re: ql+ prototype rebuild ? possible
I accidentally omitted a page - new zip uploaded above (old page 7 becomes page 8)
Last edited by Sparrowhawk on Thu Feb 22, 2024 11:39 am, edited 1 time in total.
a.k.a. Jean-Yves
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Re: ql+ prototype rebuild ? possible
I remember reading, in Computer Weekly I think --- one of the business newspapers anyway --- that Clive Sinclair had succeeded with this wafer technology where the likes of IBM had failed. If I remember correctly, the chap from IBM ended up working for Sinclair at the time.
Also, if I remember, this was a setup where the whole silicon wafer would be tested and any faulty "chips" would be locked out of the finished circuit, and the rest could all talk to each other and share the load across many processors.
As I said, if I remember corectly!
Cheers,
Norm.
Also, if I remember, this was a setup where the whole silicon wafer would be tested and any faulty "chips" would be locked out of the finished circuit, and the rest could all talk to each other and share the load across many processors.
As I said, if I remember corectly!

Cheers,
Norm.
Why do they put lightning conductors on churches?
Author of Arduino Software Internals
Author of Arduino Interrupts
No longer on Twitter, find me on https://mastodon.scot/@NormanDunbar.
Author of Arduino Software Internals
Author of Arduino Interrupts
No longer on Twitter, find me on https://mastodon.scot/@NormanDunbar.
Re: ql+ prototype rebuild ? possible
@ sparrowhawk ,
Thank you !!
Thank you !!
Zx80-1/3k exp.-zx81-16k exp.- Spectrum 48 - Spectrum+ -Spectrum 128- Interface 1 - DIVide - Zx flashcard- Zx printer - Ram turbo - Velleman interface system - Currah microspeech - Ql - Miracle 512k exp.- Ql printer - Cst Qdisk interf.- Qubide - Double 3.5 floppy- Minerva - Ice 1.9 - Ql Usb mouse adapter - Qimi-and much more .
- Sparrowhawk
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Re: ql+ prototype rebuild ? possible
Progress so far ,
keyboard has been cut to size , test-fit looks good .
finally found a superglue which would stick and cure on this 3d material .
Now to find the correct color for the bottom , red/orange or red ?
Anyone got a good idea for the filler to use on plastic
btw , case has been printed by a professional print shop - not the one from the quote !! - ( own brew would not have had this good surface quality ) .
keyboard has been cut to size , test-fit looks good .
finally found a superglue which would stick and cure on this 3d material .
Now to find the correct color for the bottom , red/orange or red ?
Anyone got a good idea for the filler to use on plastic
btw , case has been printed by a professional print shop - not the one from the quote !! - ( own brew would not have had this good surface quality ) .
Zx80-1/3k exp.-zx81-16k exp.- Spectrum 48 - Spectrum+ -Spectrum 128- Interface 1 - DIVide - Zx flashcard- Zx printer - Ram turbo - Velleman interface system - Currah microspeech - Ql - Miracle 512k exp.- Ql printer - Cst Qdisk interf.- Qubide - Double 3.5 floppy- Minerva - Ice 1.9 - Ql Usb mouse adapter - Qimi-and much more .
Re: ql+ prototype rebuild ? possible
And some slow progress ;
the order of assembly is not very clear untill you notice you can not access the space to place the keyboard , so apart the parts had to get ...................
Now to make the decision to add a membrane to the keyboard , as that is impossible after full assembly.
the order of assembly is not very clear untill you notice you can not access the space to place the keyboard , so apart the parts had to get ...................
Now to make the decision to add a membrane to the keyboard , as that is impossible after full assembly.
Zx80-1/3k exp.-zx81-16k exp.- Spectrum 48 - Spectrum+ -Spectrum 128- Interface 1 - DIVide - Zx flashcard- Zx printer - Ram turbo - Velleman interface system - Currah microspeech - Ql - Miracle 512k exp.- Ql printer - Cst Qdisk interf.- Qubide - Double 3.5 floppy- Minerva - Ice 1.9 - Ql Usb mouse adapter - Qimi-and much more .
Re: ql+ prototype rebuild ? possible
So , i decided to add a membrane for future use ( if i get all info to include a pi4 emulating a ql )
It already looks a bit better , but what a problems to find glue which can work on this 3d printed plastic ( i had to start all over al least 3 times ) .
And now the search for a good filler , as this is very needed on the seams and does need to be not too hard .
It already looks a bit better , but what a problems to find glue which can work on this 3d printed plastic ( i had to start all over al least 3 times ) .
And now the search for a good filler , as this is very needed on the seams and does need to be not too hard .
Last edited by techy on Wed Mar 06, 2024 11:26 am, edited 1 time in total.
Zx80-1/3k exp.-zx81-16k exp.- Spectrum 48 - Spectrum+ -Spectrum 128- Interface 1 - DIVide - Zx flashcard- Zx printer - Ram turbo - Velleman interface system - Currah microspeech - Ql - Miracle 512k exp.- Ql printer - Cst Qdisk interf.- Qubide - Double 3.5 floppy- Minerva - Ice 1.9 - Ql Usb mouse adapter - Qimi-and much more .
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Re: ql+ prototype rebuild ? possible
Looks great, so far. Definite thumbs up.
Cheers,
Norm.
Cheers,
Norm.
Why do they put lightning conductors on churches?
Author of Arduino Software Internals
Author of Arduino Interrupts
No longer on Twitter, find me on https://mastodon.scot/@NormanDunbar.
Author of Arduino Software Internals
Author of Arduino Interrupts
No longer on Twitter, find me on https://mastodon.scot/@NormanDunbar.
Re: ql+ prototype rebuild ? possible
starts to look like it should ,
still much sanding needed , some filler too ( still to find out what to use ) ,
dome is way too small i know ( a bigger one is ordered ).
Base needs to be painted but run out of red .................
still much sanding needed , some filler too ( still to find out what to use ) ,
dome is way too small i know ( a bigger one is ordered ).
Base needs to be painted but run out of red .................
Zx80-1/3k exp.-zx81-16k exp.- Spectrum 48 - Spectrum+ -Spectrum 128- Interface 1 - DIVide - Zx flashcard- Zx printer - Ram turbo - Velleman interface system - Currah microspeech - Ql - Miracle 512k exp.- Ql printer - Cst Qdisk interf.- Qubide - Double 3.5 floppy- Minerva - Ice 1.9 - Ql Usb mouse adapter - Qimi-and much more .
Re: ql+ prototype rebuild ? possible
more progress , and a new build
Zx80-1/3k exp.-zx81-16k exp.- Spectrum 48 - Spectrum+ -Spectrum 128- Interface 1 - DIVide - Zx flashcard- Zx printer - Ram turbo - Velleman interface system - Currah microspeech - Ql - Miracle 512k exp.- Ql printer - Cst Qdisk interf.- Qubide - Double 3.5 floppy- Minerva - Ice 1.9 - Ql Usb mouse adapter - Qimi-and much more .