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Memory upgradeHi! I bought a 16K rubber key Spectrum. It's said in the box and memory test program also said it's 16K machine. Strange thing is that there is yell…
... 16K rubber key Spectrum. It's said in the box and memory ... test program also said it's 16K machine ... no soldering needed) for memory upgrade. There is also 4 ... i have to do if i upgrade 16K-->48K? ... What might be explanation to this 48K sticker? Machine ... -
Memory upgrade for ZX Spectrum 16/48This is external memory upgrade for ZX Spectrum models with 16kB ram. Can be connect also to 48kB models, but need remove 8 dram chips (from sockets …
This is external memory upgrade for ZX Spectrum ... Features of this upgrade:
+ connect external memory to adress space 32768 ... ZX Spectrum
+ memory upgrade to 48kB,128kB,512kB or 1MB ... /> + switch for enable/disable extra memory (128kB / 1MB)
+ ... -
DIVIDE with 512kB memory upgrade for saleI sell DIVIDE (original version 57c) with my memory upgrade to 512kB ram. [img]http://velesoft.speccy.cz/other/divide512-smallpic.jpg[/img] More in…
... (original version 57c) with my memory upgrade to 512kB ram.
[img ... /> I sell only divide with memory upgrade and plastic case. Not contain ... -
48 K SpectrumHi. I have 1 off 48 K Spectrum + PSU, Romantic Robot I/F, Opus 3.5 Disk Drive with Printer Port ALL WORKING plus many Games/ Utilities on Tape and D…
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I have 1 off 48 K Spectrum + PSU, Romantic Robot I ... -
Softheque OrdinateurCan you please add "Softheque Ordinateur" to the Magazine Database. Published by Promopublications in France. I have Tapes 1 and 4 (therefore there …
... you please add "Softheque Ordinateur" to the Magazine Database. Published by ... .O. (16k)
Wargame (48 K)
Anatomie (48 K)
Gestion Magasin (48 K)
Enfer 3D
Gestion Magasin (48 K)
Tape ... -
Issue 2 issue (...)Just acquired an issue 2 Spectrum 48 K, selled as working board, not working keyboard. Before testing it with a psu I opened the case and discovered …
Thanks FrankT !
Same 1 k resistor, same transistor on z80, ... ula version ? Or is related to 48 k upgrade ? -
Issue 2 issue (...)Just acquired an issue 2 Spectrum 48 K, selled as working board, not working keyboard. Before testing it with a psu I opened the case and discovered …
... ]Thanks FrankT !
Same 1 k resistor, same transistor on z80 ... ula version ? Or is related to 48 k upgrade ?[/QUOTE]
Its part of ... the FOXX 48k upgrade kit.
[IMG]http://i432 ... -
Has anyone got ZXATASP ver 1.6 plans?Hi guy, I'm needing to get a hold of the designs for the ZXATASP version 1.6. I contacted Sami Vehmaa asking how to remove the memory upgrade from …
... ,
I'm needing to get a hold of the ... Sami Vehmaa asking how to remove the memory upgrade from the ZXATASP.
Faulty 128 toastrackHello, I hope someone of the hardware gurus can point me in the right direction for fault finding. My speccy crashes often (sometimes after a short,…
... in electronics but never tried to fix a speccy before (apart ... video fix or upgrading a 16K to 48 ).
Next week I do ...I want to upgrade 16k to 48k - need help.I recently purchased a lovely little 16k machine (Issue 2) but I'd like to upgrade it to 48k. I'd rather not use a Ram pack as I think they are ugly…
... little 16k machine (Issue 2) but I'd like to upgrade it to 48k ... ugly, so I'd like to install the RAM internally.
to 48k?
Where can ...16k to 48K upgradeHi everyone I was just wondering if anybody knows if it is possible to upgrade a 16k Speccy to a 48k with the required RAM chips. If this is possibl…
Hi everyone
I was just wondering if anybody knows if it is possible to upgrade a 16k Speccy to a 48k with the required RAM chips. If this is possible where would i get them from.
thanks a lot
BenammiNoob 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…
... this :)
For the 16K S2:
I've not ... left leg.... is err attached to nothing and is flapping about ... should be soldered to something, does anyone know to what?
... is something to do with a memory upgrade, it appears to actually have 48 K
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…
... the original sinclair memory board to make it 48k from 16k. Any other ... even instructions or a guide to make my own. I have ... condtion spectrums i can butcher to get the ram chips from ... :
Oops forgot to mention its for the spectrum48k to 128k upgrade - problemsHi friends! I built 128k upgrade according to the [url]http://hw.speccy.cz/128krebuild.html[/url]. After I powered on my Speccy it said hello with s…
...
I built 128k upgrade according to the [url]http://hw.speccy ... 16 and 17 to GND or to 5V via 3 ... possible to check what I did wrong or test memory using ... FASTIO and how to set it to get 128k compatibility?< ... I use it to get this 128k upgrade test and working ...ZX81 Internal Memory UpgradeAnyone here ever done it? Im looking to add 16k of internal memory, pretty sure I know how to do it, just what parts do I need? (and where to get t…
Anyone here ever done it? Im looking to add 16k of internal memory, pretty sure I know how to do it, just what parts do I need? (and where to get them?)Spectrum rubber key memory upgradeIf a 16k spectrum has a 32k fox upgrade kit installed anyone any idea what board revision we would be expecting to find in this machine? And was this…
If a 16k spectrum has a 32k fox upgrade kit installed anyone any idea what board revision we would be expecting to find in this machine? And was this an after market kit or one offered by sinclair?:grin: FANXPower issues on a 6A 48 K SpectrumHello all! I decided to take another look at my 6A Spectrum that I broke via a bad joystick adapter, I’ve removed the bottom 16K ram and replaced…
... bottom 16K ram and replaced TR4 and TR5 to no ... of 29.5 at 200 K, the video says 125 ... on centre, - on leg closest to speaker 275 (842)
+ ... On centre, + on leg closest to speaker, 294 (0)
- ... On centre, + on leg closest to speaker, 596 (862)
- ...If you had four roms...Just wondering if you were designing a Spectrum from scratch, and you used a 27512 EPROM, which would hold about 4 spectrum roms, what you would inst…
... whether to introduce the contention timing to the lower 16k of memory, since ... , had been to upgrade a normal 48K speccy to 128K with full ... K.
RAM can always be mapped to the lower memory ... , but I intend to find a ...16-48k memory upgradesince yesterday i am the proud owner again of a spectrum in excellent condition, boxed, etc. it was my first computer back in '82 as well, so it's ni…
... to own one again.
only this one is the 16k ... model, and i'd like to expand it to 48k ...Speccy Flash Mobbing....I got realy fed up with PC world the other day, and I and sure that many other computer users have as well at some point. So I think its time...time…
... a date, time & store to be decided at some point ... . "we" , who every wants to turn up with a Speccy ... speccys and ask for a memory upgrade, and let them explain why ... the "event"
O.K its a long time until ...Packing numbers in as least memory as possibleI am writing some code for drawing vector lines etc. on the screen. These need to be stored in memory and I want to pack them in a smaller area as po…
... . These need to be stored in memory and I want to pack them ... can limit x to 0 to 127 and y to 0 to 48 which may ...Emulators on the ZX SpectrumHaving released a Spectrum 16K emulator for Spectrum 48/128 machines as part of CCG2008, I was wondering if anybody knows of any emulators which actu…
... released a Spectrum 16K emulator for Spectrum 48/128 machines as part ... do with the ZX Spectrum 16K), or emulate a programming language ... commands work. It just seems to lockup with interrupt problems quite ... an ACE allowed me to test the memory and I/O mapping ...Numbers on my bottom!O.K. not on my bottom, but on the bottom of my machines. I have done searches on here over the last few hours trying to find out which colour of numb…
O.K. not on my bottom, but ... the last few hours trying to find out which colour of ... quickly and go no further to answering the question. Which colour ... change of machine i.e. 16k - 48k - 48+ etc. It seems that ...Spectrum v Amstrad CPC rangeAmstrad seemed to be a rather late starter in the 8 bit micro computer race. I never really saw one outside a shop, only a few people at school had o…
... owes a certain ancestry to both the Sinclair spectrums, ... C64 was technically superior to the Speccy, I personally ... to the rescue. For a start, doesn't the 48 K ... speccy have more RAM available to the ... roughly double what my 16K expanded Vic 20 displayed, ...converting ZX128 software for SAM COUPESAM COUPE is computer compatible with ZX48 model. Use same ports, same keyboard with compatible membrane, 64kB adress space with possibility connect …
... software it games for ZX16/48 kB. And what about using ... import ZX128 games to SAM COUPE if 1MB memory upgrade is connect !!! Yes ... /1
D4 = rom 128/48
D5 = disable port 32765 ... adress 0 original ZX 48 rom to ram memory with write protect
Whole upper memory lostHi! I own a rubber key Spectrum with 48K RAM. Suddenly it lost it's whole upper memory. All diagnostic programs says that it's 16K model with workin…
... whole upper memory. All diagnostic programs says that it's 16K model ... all upper memory? I know that when 16K machine upgraded to 48K you ... needed to install 8 memory chips ...How the spectrum generates the video from ramHi everyon, I know that most people here allready know this but i think i found out how the spectrum acctually dispalys stuff and why the LD x, (HL)…
... the first K of ram to video memory and the rest to program data ... has its lower 16K separated from the higher order memory, THATS IT ... my case) reads from the 16K memory and can display things in ... HL (which would be pointing to 16K) and you write your data ...Saving in 48 mode to diskAs thread title. I did a little search but was not able to find anything, but you cannot really search for 48. Simple situation, I prefer to write b…
... to find anything, but you cannot really search for 48 ... .
Simple situation, I prefer to write ... 48 editor). At the moment I'll simply save to ... +3 basic then switched to 48 mode via "SPECTRUM" is ... of saving a basic program to disk ? , I imagine ...Blitz - incorrectly listed as 16k[url]http://www.worldofspectrum.org/infoseekid.cgi?id=0027592[/url] The memory needs to be changed from 16k to 48k. Due to my silly own self, I for…
... ]
The memory needs to be changed from 16k to 48k.
Due to my silly own self, I forgot to ... test the compiled version of the game on a 16k ... too big to fit into the 16k machine's main memory area (it ...? use stereo jack, lead with 16k ULA5C112E-3?Dear community We have a 16k upgraded to 48 with ULA5C112E-3 chip. The original mono leads are lost and the intention is to add a stereo jack plug. …
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We have a 16k upgraded to 48 with ULA5C112E-3 chip. The ... lost and the intention is to add a stereo jack plug ... jack plug would be bridged to the ear and or mic ... on the board are connected to the new stereo jack plug ...
