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ZX81 - 64mb queryI know this is a spectrum forum but hopefully someone out there may know the answer to my question. I buy and sell old sinclairs and have sold numer…
... not seen before, the circuit board in a zx81 i have ... -
Treachery C+VG board gameHello all, Wonder if anyone can help me. I'm trying to play Treachery using the z80 image from the archive. Unfortunately the data for spy ranking…
Hello all,
Wonder if anyone can help me. I'm trying to play Treachery using the z80 image from the archive. Unfortunately the data for spy rankings is the same every time you play because it's a snapshot ... this game is a type in so I can't ... -
HD enclosures - might be of some use to someone?Basically, it's an external 'icy box' 3.5" HD enclosure but i've taken out the circuit board that was in there and power supply gubbins for an embedd…
... 've taken out the circuit board that was in there and ... -
Testing RAM Chips After RemovalHi I am going to use Winstons Hot Air Gun method of removing the RAM chips from a 4S circuit board. I wish to check the RAM chips, I have a Logic Pr…
... chips from a 4S circuit board. I wish to check the ... -
Need advice choosing one of these optionsA few spanish friends are willing to help me build and program the ethernet interface for the Speccy. Here are the possibilities. Any advice would be…
... shows schematics for the AB4 board. Price would be around $7 ... -
Timex Sinclair stuff wantedI will pay 500USD if someone can sell me all of the following items: 1 Timex Sinclair 2068 1 Timex Sinclair 2090 command stick 1 " " …
... Zebra expansion system (aka Twister board)
The 4 cartridges that ... -
The Drawing board the zx81 spectrum ql were designed on for sale on abayWho on earth would want that ? [url]http://cgi.ebay.co.uk/ws/eBayISAPI.dll?ViewItem&item=250107354606&ru=http%3A%2F%2Fsearch.ebay.co.uk%3A80%2Fsear…
Who on earth would want that ?
[url]http://cgi.ebay.co.uk/ws/eBayISAPI.dll?ViewItem&item=250107354606&ru=http%3A%2F%2Fsearch.ebay.co.uk%3A80%2Fsearch%2Fsearch.dll%3Ffrom%3DR40%26satitle%3D250107354606%26fvi%3D1[/url] -
couple of issues help please!First of all sorry if i sound like a complete N00bulator. I'm not acquainted with the etiquette of this forum yet and don't want to occur the wrath o…
... seems to exist on every board waiting for new meat to ... -
Speccy goes to the Internet!!![url]http://zx.pk.ru/attachment.php?attachmentid=4998&d=1176284955[/url] It's not a joke. This program really works. It uses an RS232 modem (or cel…
... +PS/2 kbd + realtime clock board) developed in Russia.
Of ... -
Spectrum designers drawing board on Ebay1 day left if any ones interested
1 day left if any ones interested -
Home for Spectrum drawing boardNow that I'm beginning to appreciate the historic feelings over this piece of kit, can anyone point me in the direction of a possible 'Sinclair Museu…
Now that I'm beginning to appreciate the historic feelings over this piece of kit, can anyone point me in the direction of a possible 'Sinclair Museum' to home this beauty? -
If the rubber key speccy was on Rick Dickinsons drawing board this year ?I was just wondering what spec of machine could be fitted into the rubber key speccy case now ? Was the Spectrum the smallest colour computer in the…
I was just wondering what spec of machine could be fitted into the rubber key speccy case now ?
Was the Spectrum the smallest colour computer in the eighties ?, i personally would equate Rick Dickinsons design skills to be on a par with Sir ... -
Alternative KeyboardsI seem to remember way back when some manufacturers made alternative keyboards ( a bit like the 48+ upgrade where you shoved your speccy board into a…
Unconventional way of diagnosing a faultHi everyone Some time ago I got a 48k Spectrum (issue 3B board) in a pretty bad condition. I believe the power supply transistor TR4 failed, causing…
... a 48k Spectrum (issue 3B board) in a pretty bad condition ...ZX / SAM hardware online[url]http://velesoft.speccy.cz/onlinezx.htm[/url]
[url]http://velesoft.speccy.cz/onlinezx.htm[/url]OT: PCB making service from OlimexI've just used Olimex to have my first boards 'factory made' (I usually just etch my own, but I needed a couple of my ALIAC-2 Z80 core boards, and th…
... nice:
The unpopulated board:
[url]http://www.alioth ... [/url]
The populated board (with a mix of old ...Kempston printer interfaceHi all, I won an Kempston Printer Interface from eBay and I am awating the arrival of it. At present I got hold of a Spectrum Plus2B today working or…
... got a Printer Interface on board but what I am trying ...UlaI remplaced an ULA 6c001-6 by an ULA 6c001-7 chip on issue 3B board. It is "crucial" to remove R32 and adding the 2x NAND gates ??? or not ? Thanks.
I remplaced an ULA 6c001-6 by an ULA 6c001-7 chip on issue 3B board.
It is "crucial" to remove R32 and adding the 2x NAND gates ??? or not ?
Thanks.Disable onboard memoryWould this work...? Access to onboard I/O can be disabled by holding IORQGE high. Would it be possible to create a MEMRQGE in a similar way to disa…
... to any piece of on-board memory and map external memory ...+2B ram chips?Hi all, I have got 2 Plus2B`s and 1 Plus2 gray case. Ok the one Plus2B don`t work, so I tried to see if I could pin down the problem. I changed the …
... ram chips on sockets on board the Plus2B.
The one ...Computer crashes on boot problemHelp, I need help !! My Computer crashes randomly, sometimes just after start-up sometimes it will last for ages. I then get the Blue screen with…
...
ox00070f0f
Mother board is Gigabyte KV8VT800-RT FC ...Electronics interfaces used in schools in the 80'sCan anyone remember the names of those interfaces that plugged into the parrallel ports of computers at school in the 80's. They had 6 LEDs in red, …
... outputs and relays on the board.
They plugged into ...SAM COUPE and GALACTIC GUNNERS with mouse controlGalactic Gunners with mouse control for SAM COUPE [url]http://velesoft.speccy.cz/samcoupe/sammouse/sammouse-software/galactic_gunners-sm.zip[/url] Th…
...
[url]http://velesoft.speccy.cz/samcoupe/sammouse/sammouse ... :
[url]http://velesoft.speccy.cz/sammouse-cz.htm ... :
[url]http://velesoft.speccy.cz/kmouse/kmvelesoft/galactic_gunners ... software:
[url]http://velesoft.speccy.cz/kmsoft.htm[/url ...+3 sound cureHi all, As most of us know the Spectrum+3A has this sound problem, distortion. The +3B had this problem fixed. I done some looking at the circuitry l…
... resistor across R72 on the board.
I had some trying ...divIDE and CF problems - Help !!!Hi all I have recently purchased 2 divIDE interfaces (not the divIDE Plus). I cannot get the things to work whatsoever - however I am totally new …
... " in the corner of the board.
I have tried ...Edge Connector's...Can someone please point me to an online source of the spectrum edge connector (the female one I need to connect my board to a speccy), preferably in…
Can someone please point me to an online source of the spectrum edge connector (the female one I need to connect my board to a speccy), preferably in the UK.
Many thanks.Spectrum Diagnosis: Purple is not my colour!Hi, I thought the self-fault-finding amongst you might appreciate my learning experience this afternoon in fixing my home-made speccy 48K. Yesterda…
... ... no seems fine. ULA board... again clean. RAM board.. seems fine. At ... coupling wires on the RAM board. And lo, (C) 1982 Sinclair ... /> A closer inspection of the board reveals that while I working ... very subtley hit the RAM board. The GND coupling wire had ...divIDE orders from Papaya LabsI got an email today regarding my divIDE board. It is ready I can now select the colours for the three leds, before I got my order delivered. Never…
... email today regarding my divIDE board. It is ready I can ...GP2X or DS: which is best for the speccyHi - just joined but have been reading posts for years and I know ye are as passionate about the Speccy as I am! :-) I've waited so long to buy eit…
... there are some on the board who have both (I believe ...