Search found 98 matches

by XorA
Wed Aug 22, 2012 1:08 am
Forum: Hardware
Topic: 16K RAM Pack Schematic / Chip Layout
Replies: 71
Views: 47807

Re: 16K RAM Pack Schematic / Chip Layout

I can pull chips out with only a minor amount of brute force and usually stand a 99% chance of saving the board and the chip. Let's see, 8 chips x 16 pins x 2 boards,... 256 pulls with the de-soldering bulb If the chips are bin jobs its much easier and safer to snip all the pins with side cutters a...
by XorA
Tue Aug 21, 2012 3:32 pm
Forum: Hardware
Topic: Another poorly ZX81...
Replies: 13
Views: 15033

Re: Another poorly ZX81...

Rink wrote:Has anyone bought a ZX81 in the last five years which actually worked? Lol. Every one I get my hands on seems to have a problem somewhere. :)
I've bought 9 in the last year and to my amazement they all worked! One even had bird sh*t on it!

G
by XorA
Mon Jul 16, 2012 10:41 am
Forum: Hardware
Topic: My new ZX80 built using my foil replicas
Replies: 10
Views: 12318

Re: My new ZX80 built using my foil replicas

Paul wrote: I really need to find someone who makes me a pcb from your actual foils.
If your going looking and need to bulk up an order I would want one as well and 90% sure my brother would as well.
by XorA
Wed Jul 04, 2012 11:48 am
Forum: Hardware
Topic: ZX81 Tape Woes...
Replies: 75
Views: 38951

Re: ZX81 Tape Woes...

Erk was that the board I sent? Ill have to check out the rest as they were messier than that one!
by XorA
Sun Jul 01, 2012 12:05 am
Forum: Development
Topic: ZXpand Specific Keyboard Membranes
Replies: 36
Views: 23557

Re: ZXpand Specific Keyboard Membranes

You mean your subliminal "BUY ZXPAND" advertising only worked on me :-(
by XorA
Thu Jun 28, 2012 11:58 am
Forum: Hardware
Topic: ZX81 Tape Woes...
Replies: 75
Views: 38951

Re: ZX81 Tape Woes...

Back in the day the best success was always the cheapest crappiest mono cassette player money could buy. Any feature beyond "none" just seemed to mean distort signal cause hassle!
by XorA
Fri Jun 22, 2012 10:55 am
Forum: Development
Topic: ZXpand Specific Keyboard Membranes
Replies: 36
Views: 23557

Re: ZXpand Specific Keyboard Membranes

Gah this means I need to restore yet another of my zx81s :-D
by XorA
Wed Jun 20, 2012 11:33 pm
Forum: Hardware
Topic: Memotech Interfaces
Replies: 20
Views: 20199

Re: Memotech Interfaces

zx81 doesnt even boot when plugged in so I think its worse than that!
by XorA
Wed Jun 20, 2012 12:22 pm
Forum: Hardware
Topic: Memotech Interfaces
Replies: 20
Views: 20199

Re: Memotech Interfaces

Very nice ... What a haul! Do you think the seller had some connection with memotech or was he simply a fanboy or perhaps authorised service agent or somesuch? It is possible, he was a repair agent for other computer systems, he did however also talk about trawling computer fairs in the UK for part...
by XorA
Tue Jun 19, 2012 7:01 pm
Forum: Hardware
Topic: Memotech Interfaces
Replies: 20
Views: 20199

Re: Memotech Interfaces

I finally got a chance to photograph and upload the pics for these interfaces.

https://secure.flickr.com/photos/264960 ... 194989900/

Enjoy!