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Harlequin clone...PCB manufactured!Using Chris Smith's detailed schematics and project notes from the Harlequin... a Speccy fan in the United States by the name of Don (Superfo) has de…
... and project notes from the Harlequin... a Speccy fan in the ... ) has designed a PCB for the Harlequin! (The Harlequin as you probably remember ... ://trastero.speccy.org/cosas/JL/Harlequin/superfo1.html[/url]
Upgrading Harlequin 48K to 128K?I noticed this upgrade PCB on ebay for upgrading the Harlequin to 128K: http://www.ebay.co.uk/itm/ZX-Spectrum-Harlequin-48K-to-128K-Upgrade-Addon-PC…
I noticed this upgrade PCB on ebay for upgrading the Harlequin to 128K:
Harlequin-48K-to-128K-Upgrade-Addon-PCB-UK-SELLER-/322422778271 ... looks like just a RAM upgrade? No AY and I can ...Harlequin clone...PCB manufactured!Using Chris Smith's detailed schematics and project notes from the Harlequin... a Speccy fan in the United States by the name of Don (Superfo) has de…
... in charge of ordering the PCB's, receiving them and sending ... are developing a new Harlequin based PCB with some improvements and 128K ...Harlequin clone...PCB manufactured!Using Chris Smith's detailed schematics and project notes from the Harlequin... a Speccy fan in the United States by the name of Don (Superfo) has de…
Hi all Speccy fans, i was wondering if there are any Harlequin clone PCB left or any means of getting on, or even better in a kit form.
Thanks.A tally on the number of successful builds of the Harlequin[SIZE=4][COLOR=Green][U][B]A tally on the number of successful builds of the Harlequin.[/B][/U][/COLOR][/SIZE] Please post your successes below :-) …
... as posted in the "Harlequin clone...PCB manufactured! thread".
...
For the Harlequin owners who ... After the assembly of my Harlequin, it did not start ... with both components the Harlequin boots correctly. The NXP ...Another badly behaved RAM upgradeI have a 48K issue 4A board (yellow it is) that was a 48K machine from new, but only reports 16K working with the Sinclair ZX Test ROM in an Int2. H…
... are part of the RAM upgrade, they all check out, just ... the whole of the RAM upgrade chippery tested!
Also ... - only 16K
The PCB is immaculate, no signs of ...Keyboard for ZX Spectrum 16k/48k or HarlequinThere is a keyboard developed originally for use with the Harlequin but maybe used as well with any 16k/48k ZX Spectrum. The keyboards offer a great …
... originally for use with the Harlequin but maybe used as well ... /> The keyboards are available as PCB only, assembly kit with all ...important Harlequin modWhile searching for a better solution for avoiding undesired spikes that corrupt the screen RAM at Harlequin I found a final solution. No additional …
... corrupt the screen RAM at Harlequin I found a final solution ... realize these mods at every Harlequin PCB.
Greets Ingo ...Superfo Harlequin Rev D Documentation wantedI have a Rev D Superfo Harlequin PCB. I would like the documentation (schematic and board layout files), but I get a [b]Not Found[/b] error when I cl…
... have a Rev D Superfo Harlequin PCB. I would like the documentation ... ://trastero.speccy.org/cosas/JL/Harlequin/superfo1.html).
Does ...Harlequin REV F to REV G upgradeHi guys i have a Harlequin REV F board and noticed its been updated to REV G with teh message of Error on J16 does anyone know what changes …
...
i have a Harlequin REV F board and noticed ... ://trastero.speccy.org/cosas/JL/Harlequin/superfo1.html
Thank ...Harlequin Rev GI have just got all the bits to build an Harlequin Rev G system and I went for a red solder mask board. I have fitted the 3 surface mount components…
... the bits to build an Harlequin Rev G system and I ... working I have the 128k upgrade to fit after thatBeta disk 3 to Beta disk 4 upgradeI am searching for a manual to upgrade a Beta disk 3 to Beta disk 4. I have a very early pcb without the Magic button. It is from Technology Research…
I am searching for a manual to upgrade a Beta disk 3 to Beta disk 4. I have a very early pcb without the Magic button. It is from Technology Research.
Has anyone information about this?
MickyZX Spectrum hardware and schematics(with PCB layout) wantedDoes anyone here has or knows who have the schematics (with pcb layout if possible) of any disk drive interface controller? In the past I had one Mul…
... have the
schematics (with pcb layout if possible)
of ...Kemsoft PCB DesignerHi Does anyone know where I could obtain a download of the Kemsoft PCB Designer package for the Spectrum ZX32 Emulator Cheers Paul [ This Messag…
Hi
Does anyone know where I could obtain a download of the Kemsoft PCB Designer package for the Spectrum ZX32 Emulator
Cheers
Paul
[ This Message was edited by: PaulCh on 2003-04-17 15:49 ]Boxed Multiface One and Spectrum+ Upgrade KitBoxed Multiface One: Still in original box with full instructions (just the way you would have bought it). I won?t go into what this little gizmo is…
... residents only.
Spectrum Upgrade Kit:
Also ... selling a Spectrum+ upgrade kit from Sinclair. This was ... kit that was issued to upgrade the rubber keyed Spectrum ... the bits and bobs to upgrade the Spectrum, the condition ...PCB boards redesign...Would someone be interested in a redesign of the ZX Spectrum hardware? Actually hardware is already working....only need to do PCB layout (o; …
How can I upgrade Internet Explorer 5 to 5.01 or higher?I'm trying to install Adobe Acrobat 6 onto my P3 laptop with Win98SE, but Acrobat says it needs at least Intenet Explorer 5.01 to install, and the la…
... /> Where can I download the upgrade for IE5 to IE5.01 ... I can't find the upgrade program to download, on MS ... just want to download an upgrade program/file, which I can ...Spectrum PCB reworkHaving repaired a fair few spectrums over the years I have always found replacing the memory chips a right pain in the arse. When replacing componen…
... of soldawick. But, the 48K pcb is of a type where ...Bios upgrade ?I have a Athlon 32 bit 2800 processor when i plug it into my pc it only says it is an 1800 ( i think its 1800 ive forgot now ) the thing is the place…
... need to do a bios upgrade ( i don't want to ...Windows Vista vs XP and a question on upgrade...My computer: AMD Athlon XP 3200+ 1.5 gig RAM Nvidia 7600GT 1) Would this be ok for Vista? 2) Could I upgrade to Vista from XP? As I dont want to …
... ?
2) Could I upgrade to Vista from XP? As ... main concern really is the upgrade as I dont want to ...Harlequin ZX Spectrum Clone now 100% compatible!Hi all! The Harlequin ZX Spectrum clone now shows full timing compatibility with the ZX Spectrum! 8-) Both the ULA IO and memory contentions are fa…
Hi all!
The Harlequin ZX Spectrum clone now shows ...PCB Manufacturer[url]http://cgi.ebay.co.uk/PCB-Printed-Circuit-Board-Fab-Service-for-Hobbyists_W0QQitemZ290143347797QQihZ019QQcategoryZ36323QQssPageNameZWDVWQQrdZ1QQ…
... ]http://cgi.ebay.co.uk/PCB-Printed-Circuit-Board-Fab-Service ...PCB transfer on the cheap?This will sound like a really dumb* idea, but maybe someone can help I want to etch a PCB by electrolysis using a salt solution. I know this techniq…
... /> I want to etch a PCB by electrolysis using a salt ... how I can transfer a PCB design from my computer to ...It's a trap!So I got a CPLD (not the eventual one I want to use for the ethernet project - rather, one I actually have here and now, an XC9536 in a PLCC44). And…
... above the Sinclair logo. The PCB on the right is a ... that csmith did with the Harlequin, but then again, given this ...RAM Upgrade for ZX Spectrum?Check out this [url=http://cgi.ebay.co.uk/ZX-SPECTRUM-ZX-PANDA-16K-EXPANDABLE-RAM-PACK_W0QQitemZ290193305868QQihZ019QQcategoryZ50223QQrdZ1QQssPageNam…
... would have been a 32K upgrade.
The seller is ...PC UpgradeIt's getting to the time when I need to upgrade my PC desktop. Due to the ammound of stuff I have installed and the requirements of some of it I'm be…
... time when I need to upgrade my PC desktop. Due to ... see the need for an upgrade. I last did a complete ...Interface 1 PCB imageI'm looking into getting another tattoo and I think the Interface 1 has the right shape, but I haven't found a good image of the PCB. Anyone have one?
I'm looking into getting another tattoo and I think the Interface 1 has the right shape, but I haven't found a good image of the PCB. Anyone have one?MF3 and MF128 (Disciple version) PCB filesI've uploaded my reverse engineered pcb files for the Multiface 3 and MF128. I hope they come in handy for people. Also included is the necessary Jed…
... 've uploaded my reverse engineered pcb files for the Multiface 3 ...Spectrum+ upgrade kits and Timex printerDiscoveries from my old collections. Two unused (one even completely boxed) Spectrum+ upgrade kits. These include the keyboards, cases, connectors et…
... (one even completely boxed) Spectrum+ upgrade kits. These include the keyboards ...Bad quality of ZX 48K PCB?Is the quality of ZX 48K PCB's not the same by every motherboard? I have here a motherboard and desolderd the ZX 80 Cpu. No problem but near the des…
... the quality of ZX 48K PCB's not the same by ...
