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What is this disk interface (and how to use it)?Anybody seen this floppy disk drive interface before? It uses an MB8877A and the rest is 74XX-logic, no GALs/PALs. And an EPROM. [IMG]http://i1373.p…
... is the input for the PCB, but it actually looks like ... the cooled 7805 on that PCB does the job, I don ... -
What OS do you use?I thinking of changing my OS as I upgrade my PC kit, the old 486DX66 has given up! What recommendations would you suggest, for desktop OS these days…
... changing my OS as I upgrade my PC kit, the old ... -
Is my ZX81 RAM Pack OK?Hi guys I've just taken my 16k RAM pack apart to give it a clean inside and out and i noticed these strange burn type marks!? [IMG]http://s7.postim…
... see it mainly on the PCB where the chips etc connect ... to the PCB... is this burn marks!? Is ... -
1st interface in 30 years (update)Hi all, Just a wee update to my "1st ZX interface in 30 years" project. Main IC's: 82C55 three 8-bit port I/O (configured for 12 dig in, 12 dig out…
... .com/images/stories/IanJ/ZXspectrummod/pcb.jpg[/img] -
Video fault on issue two ZX boardI've trawled the Internet and drawn a few blanks as to where to look to resolve the fault with my issue two board. I'm hoping a few of you knowledgea…
... off the modulator, stripped the PCB from it and remounted it ... -
From Bedrooms to Billions - Sept Release![url=http://www.frombedroomstobillions.com/shop/blu-ray][img]http://lifeschool.mikendezign.com/pix/bedban1.png[/img][/url] [url=http://www.frombedroo…
... paying the one-off ?20 upgrade fee and in your PayPal ... that the ?20 is to upgrade your current version to the ... Special Edition is simply an upgrade option.
Please note ... credits, upload your retro photos, upgrade your pledge.
@ [url ... -
Noob repairs of an S2 and S6AI received two Spectrums a Series 2 and a Series 6A both of which are not working. I don't know anything about electronics so thought my lad and I wo…
... to do with a memory upgrade, it appears to actually have ... -
Betadisk 128 in production.Pcb is in factory, i expect ready device in next 2 weeks. [URL=http://www.fotosik.pl/showFullSize.php?id=7b4cc1b97c1c4703][IMG]http://images52.fotos…
Pcb is in factory, i expect ready device in next 2 weeks.
[URL=http://www.fotosik.pl/showFullSize.php?id=7b4cc1b97c1c4703][IMG]http://images52.fotosik.pl/508/7b4cc1b97c1c4703m.jpg[/IMG][/URL] -
Interface 1bis RAM Drive modificationAll Interface 1bis users I hope I am not interfering with Dan, but I saw on his site that he has a RAM Drive upgrade/modification for the Interface …
... he has a RAM Drive upgrade/modification for the Interface 1bis ... -
DIVMMC my version512 ram, 8kb Flash ROM, esx dos, 2x thru, micro SD card slot,prototype board: [URL=http://www.fotosik.pl/showFullSize.php?id=18408198292851f7][IMG]h…
... ]
Mistakes on pcb fixed, new boards ordered, price ... -
Looking for good RPGsSpeaking as a huge RPG fan ('huge' as in fat, sadly - and I only discovered RPGs via [B]Skyrim[/B] (PC, XBox 360, PS3), a fortnight or so ago) I was …
... to assign earned points to upgrade your abilities and traits, which ... -
Spectrum conversions of weird arcade releasesThere's an arcade game called "Mad Gear" / "LED Storm". The Spectrum version of the game is a conversion of a very weird (and cool!) prototype(?) ver…
... 2011" version of the arcade pcb for 10+ years now with ... -
Which joystick?I have decided to build my DIY arcade controller soon (using the PCB of an ageing PS2 controller as the base for the contacts), but I cannot decide o…
... arcade controller soon (using the PCB of an ageing PS2 controller ... -
4K GamingWhen the new Nvidea 970 and 980 cards came out I decided it was time to upgrade my gaming PC. I decided to go for a 4K setup to try and future proof …
... decided it was time to upgrade my gaming PC. I decided ... -
What is the Speccy? exUSSR edition.In exUSSR 8 years ago have been solved all these issues, and developed a General opinion. All who do not agree with this opinion, are incompetent peo…
... only the schematic and the PCB layout. Replica ZX Spectrum does ... -
Multi Multiface: the projectI posted some updates on Facebook yesterday about the development of the Multi Multiface, but here is the right place to share all technical findings…
... and bottom sides of the pcb on transparent paper to speed ... -
ZXadlib CPLD-freeHi folks. Repost from [URL="http://forum.tslabs.info/viewtopic.php?f=6&t=431"]here[/URL] OPL2 chipset for speccy. 6Fh index, 7Fh data. This is firs…
... is first prototype with homebrewed PCB.
[img]http://i62 ... think this is final design. PCB also homebrewed.
[IMG ... thru hole components. One side PCB, easy to make at home ... assembled units and some bare PCB's for those, who buying ... -
ZX-Uno prototype v2 for saleHello. I have some unmounted ZX-Unos for sale. The mounting is not as easy as the throw hole in the Harlequin clone, the components are SMD and they …
... the throw hole in the Harlequin clone, the components are SMD ... -
New MEMFACE projectMEMFACE is my old project, but never finished. Now is PCB done (at the post office) and I write firmware for CPLD. MEMFACE is interface with external…
... , but never finished. Now is PCB done (at the post office ... -
PCB Maker - Just sharing a linkNot my thing but someone shared the url a long time ago with fellow Timex TS2068 Yahoo group members. It says they make PCBs for a low price and don'…
Not my thing but someone shared the url a long time ago with fellow Timex TS2068 Yahoo group members. It says they make PCBs for a low price and don't charge for delivering them anywhere in the world. Could this be helpful to some of the hardware ... -
Converting a 16K speccy in +3??Yes, you heard right. A new interface to convert a 16Kb speccy into a Spectrum+3 have been developed. [IMG]https://lh6.googleusercontent.com/N2eAoz5…
... /> - 128/256/512Kb de RAM upgrade. Selectable by jumpers
- 2 ... -
ZX Evolution -- contended memory and raster emulationFresh bleeding update for [url=http://www.nedopc.com/zxevo/zxevo_eng.php]ZX Evolution[/url] [url=https://code.google.com/p/pentevo/source/list]Baseco…
... or border effects.
Harlequin clone maker, emulator writers: for ... -
Spectrum +2 (grey) RAM issueHi, I?ve got a ZX Spectrum +2 (grey) with what I think is a RAM issue. I used to be able to load games very reliably by playing converted TAPs and …
... ? It's an Issue 3 PCB.
[I've read ... mounted on the Issue 3 PCB. I can't see any ... tell which chip on the PCB is for which RAM page ... -
TR4/TR5 replacementHi guys, I've got another Spectrum I'm working on now - an Issue 4S this time. When I originally got it, I powered it up and did the basic tests a…
... /Sinclair/82/Sinclair%20ZX%20Spectrum/PCB%20Images%20%28orthogonal%29/ZX ... -
Toastrack - poor state/non working requiredHi all, I'm after the rattiest, tattiest, non-working toastrack that can be gotten - I'd like to obtain one I can fully socket for testing my diagn…
... only criteria is that the PCB is present and that there ... or no damage to the PCB traces. I can fix everything ... -
Acorn A7000+ on EbayNot so much Spectrum related, but it clearly shows that I will/have to focus my hobby more on Sinclair and MGT. An auction will start on Ebay tonig…
A New Desktop For Me... Suggestions and Recommendations.<font face="Arial, Verdana"><span style="font-size: 10pt; line-height: normal;">So Folks, I last built my PC in April 2010. I got the best I could af…
... /> However, I'm due an upgrade and though well what the ...ZX Resets when loading programs?Hello, I have a weird issue with my new ZX Spectrum issue 2 16K. The ZX is in great condition, BASIC works and the RAM Diagnostic PEEK 23733 reports …
Just Speccy 128Wow, got home and found that I have received a parcel from Zaxon containing a Just Speccy 128 PCB :-) B-)<br>Now all I need is a parts list, th…
Wow, got home and found that I have received a parcel from Zaxon containing a Just Speccy 128 PCB :-) B-)
Now all I need is a parts list, the parts on the parts list, and some free time to build it :D
Mark
