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Differences between 16K and 48K modelsI know this is probably an extremely dumb question, but what, besides the extra 32K memory, is the difference between and original 16K rubber-key Spe…
The earliest Spectrums with the issue 1 board actually needed another ... the edge connector. From the issue 2 though, the board was designed ... -
Did I killed my Speccy ???Hi guys, 1 minute ago I was working on my 128 +2A... But I made a mistake : I cut the gound on the PSU plug of the computer, and I forgot to resolde…
Zx Spectrum Laptop (again)I've been reading all the old treads about a possible portable speccy. I even found the one about the Speccy Laptop. But it seems there's a lot of ne…
... do I/O with the Z80 without any supporting glue logic ... at 4x speed of the z80 (1 z80 cycle = 4 Atmega cycles ... /write you'd have maybe 2 z80 cycles = 8 Atmega cycles to ... output pixels every 0.5 z80 cycles = 2 Atmega cycles. You've ...TV Modulator. Can it be repaired?Is it possible, to repair tha TV modulator (after removing it) if it gives wavy picture? I replaced both transistors (tr1/2) and both electrolytic ca…
... that could be responcible (tr1/2 LM1889, the two most left ... .[/QUOTE]
On the issue 2 board, you could slightly trim ... would help an awful lot. Issue 3 and above, no such ...What's the most probable......cause for this on a grey +2? (z80 is excluded) [url]http://img376.imageshack.us/img376/8087/plus2hk9.jpg[/url]
... for this on a grey +2? (z80 is excluded)
[url ... RAM - which in a grey +2 is gonna be expensive and ...Fruit Machine (DK'Tronics)The [url=ftp://ftp.worldofspectrum.org/pub/sinclair/games/f/FruitMachine.tzx.zip]TZX file[/url] of [url=http://www.worldofspectrum.org/infoseekid.cgi…
...
* Football Manager 2 Expansion Kit / Football Manager 2 + FM2 Expansion Kit ... /> * Fury, The
* Goblin Gazette Issue 1 / Balrog and the Cat ... Wombats is Missing / Goblin Gazette Issue 2
* Phantis
* Retarded Creatures ...Issue 1 32K Memory Upgrade neededHi folks, as the title suggest im looking for the original sinclair memory board to make it 48k from 16k. Any other form will do or even instructions…
... U][/B]
Board Issue 1:
The extension ... be -4).
Board Issue 2:
The extra memory ... select level.
Board Issue 3:
This allows ... same designation. Appropriate links (2) must be fitted in the ...Issue 1 32K Memory Upgrade neededHi folks, as the title suggest im looking for the original sinclair memory board to make it 48k from 16k. Any other form will do or even instructions…
... /> Having just aquired my working issue 1 spectrum this will be ... get a couple of working issue 2's as well.
who can help?hello can anybody tell me where there is a guide that shows you how to poke spectrum games(lives,immunity,etc) for the absolute beginner.i am sure i…
There was a how to hack article in issue 2 of ZX Shed.Rubber Key Spectrum BoxesAfter buying quite a few boxes i have found that in all there are 7 ndifferent box designs and its possible to know which issue speccy isin the box w…
My first Spectrum was a issue 2 16K and that came in a postal type box, however inside was the speccy in the normal standard box.
Just thought I'd pass that onMagazine type-in scans.Are there any sites that have comprehensive mag scans that include the type-in sections? If so could you point me in their direction please? I fancy …
... O'Hara from ZX Computing (Issue 2 I think) Loads of typesetting ...Rubber Key Spectrum BoxesAfter buying quite a few boxes i have found that in all there are 7 ndifferent box designs and its possible to know which issue speccy isin the box w…
... ]My first Spectrum was a issue 2 16K and that came in ...Rubber Key Spectrum BoxesAfter buying quite a few boxes i have found that in all there are 7 ndifferent box designs and its possible to know which issue speccy isin the box w…
... ]My first Spectrum was a issue 2 16K and that came in ... the early spectrums ( including all issue 1's ) were sold via ...The day after... (25year hardware woes)...so there we were, about to play some ROM-cartridge games on my grey +2... but it didn't seem to like the Ram Turbo interface, won't even boot, ju…
... ULA and speaker (on an Issue 2) which are pretty reliable components ...ULA chipHi. Where i can find a ULA 6C001E-6 chip for an 3B issue Speccy ? Also looking for one 7805 heatsink... Thank
... /> 7805 heatsink - for what issue, the 3b? Issue 2 and below use one ... type, issue 3 and above use ...Spectrum Diagnostics Board - 25th Anniversary projectWell, I said I'd try and get something online about this by today, and I have indeed done so. This web page still needs finishing off (in particular,…
... may need to make an Issue 2 board which is slightly shrunk ...Why can't I use the keyboard?Playing some old Speccy games recently, there's a fair number that ask you to enter your name using the joystick (Trashman for example). Why not let …
... small handfull of games require issue 2 keyboard emulation which most emulators ...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…
... a couple of my ALIAC-2 Z80 core boards, and they take ... http://www.alioth.net/Projects/Z80/Z80-Project/Z80-Project-Pages/Image21.html ... Zilog parts - brand new Z80 and CTC, old PIO)
Z80/Z80-Project/Z80-Project-Pages/Image22.html ...How can I tell what issue a speccy is from the serial number?Is it possible to know the issue of a speccy just by looking its serial number? What issue a 001-107603 could be? Is it issue 1 (i know its a 16K ma…
... it possible to know the issue of a speccy just ... number?
What issue a 001-107603 could be ... ? Is it issue 1 (i know its ...
16K and light keys = Issue 1
48K and light ... keys = issue 2
48K and normal keys = any issue, 2 to 6A ...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.
If it's the ULA I sent you, it'll work fine in any Spectrum from Issue 2 all the way up to issue 6A. Honest!! :)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.
... fine in any Spectrum from Issue 2 all the way up to ... issue 6A. Honest!! :)[/QUOTE]
... Sinclair Computers Part 6" and issue 4A and 4B boards.Issue 1 Re-doneIssue 1 of ZXS is now available to purchase as a hard copy! You can get it [URL="http://www.lulu.com/content/870407"]here[/URL] The other issues …
Has anyone received theirs yet? I am currently waiting a proof copy of issue 2 and would appreciate some feedback for future issues (3 & 4 are almost done)Spectrum ULAHi new to forum ,and have been a speccy owner/fan since the begining{like most 30 somthins on this forum !) Anyway what i want to know is the ULA th…
Download the speccy 48K service manual from this very site and have a butchers at the memory testing bit. That'll give you some idea of if it's a ram fault
Also there were some issue 2 16K machines released.Spectrum ULAHi new to forum ,and have been a speccy owner/fan since the begining{like most 30 somthins on this forum !) Anyway what i want to know is the ULA th…
... .
I have an issue 2 board for spares the memory ...Spectrum ULAHi new to forum ,and have been a speccy owner/fan since the begining{like most 30 somthins on this forum !) Anyway what i want to know is the ULA th…
...
As for the issue 2 i have i tends to ... another .could be another memory issue
MarkSpectrum ULAHi new to forum ,and have been a speccy owner/fan since the begining{like most 30 somthins on this forum !) Anyway what i want to know is the ULA th…
... the memory chips off the issue 2 and solder it back on ... correct memory chips for the issue 2 anywhere?
I need ... 2 4532
And i ...Does anyone have any working Ferranti's?Does anyone know where I might get hold of a Ferranti ULA5C112E-3?? I think this is the problem with one of my rubber key 48K's as it otherwise wor…
... "
I assume its an issue 2 you have, it must be ... you describe sounds like an issue 2 speccy with a drifty modulator ...Does anyone have any working Ferranti's?Does anyone know where I might get hold of a Ferranti ULA5C112E-3?? I think this is the problem with one of my rubber key 48K's as it otherwise wor…
... you describe sounds like an issue 2 speccy with a drifty modulator ... own board (funnily enough, an issue 2) was cured by replacing the ... Amstrad did in the grey +2.
If your board ...Does anyone have any working Ferranti's?Does anyone know where I might get hold of a Ferranti ULA5C112E-3?? I think this is the problem with one of my rubber key 48K's as it otherwise wor…
... own board (funnily enough, an issue 2) was cured by replacing the ... what is happening with my issue two anyway. The sinclair research ...Poorly Spectrum + Fault diagnosis help needed!Hi, I've got a Spectrum+. Sometime in the past I broke it and sent it off to be fixed. It came back working good as new, but with an issue 2 board i…
... .
Apart from the issue mentioned above, I'd like ... vid-cap of the ill issue 2 later, just in case it ...
