Sinclair ZX80 / ZX81 Forums

I have bought two. And since there are so few of them they are more expensive. I think that the fact that they are the "better" TS-1000 design points to the reason they are more valuable. In my opinion , this means that if Timex had come out with these first, they would have caught on and possibly c...

My opinion, having owned one in 1982, was that: If Timex had introduced only the Timex Sinclair 1500 first which had a "workable" keyboard, and 16K memory built onto board, it may have fared far better. People were so disappointed because of crashes and lack of keyboard that there was no word of mou...

code...

Order stalled and I reactivated ...

I think we are missing a piece on the back of ZX81...no?

The instruction manual may have intimated that a "floppy & printer interface" was used??? (Unless imprimature meant "printed manual")
Maybe a look inside the floppy box would confirm or refute this idea.

Some clues...

I indicates that inside the floppy disk drive there is a second small interface that is connected to the mechanical part of the floppy disk drive.

http://zx81.over-blog.com/article-le-fl ... 94262.html

Would I be in error to say that the electronics use a 3.5" PC floppy disk drive?

Would I be in error to say the only electronics necessary is the previously published schematic?

(By the schematic, I cannot tell how the connector attached/connector to a ZX81.)

ZX81 FLOPPY INTERFACE TABLE OF CONTENTS 0 - QUICK REFERENCE..............................................2 1 - INTERFACE SETUP...............................................3 2 - IMPORTANT NOTES.............................................4 3 - MAIN POINTS..............................................

mageco (logo) electronic

FLOPPY / PRINTER
INTERFACE
FOR ZX81

Ref: 1143
Code: 1670559

COVER

I am going to see if I can make a PCB for the people in the States before anyone else gets further on this...

Shipping is cheaper on the continent.