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RAM chips are 4164s and 4564s interchangeableI paid for some 4164s online, for upgrading my Spectrum 16K to 48K, and I've been given 4564s. I've tried these along with the correct logic ICs and …
... online, for upgrading my Spectrum 16K to 48K, and I've ... -
256K RAM chips in Spectrum 128KSince I have lot of 256K RAM chips, and my 128K has RAM error, I think about replacing all 16 RAM (64K ones) chips with 256K chips. Then it would be …
... have lot of 256K RAM chips, and my 128K ... has RAM error, I think about ... replacing all 16 RAM (64K ones) chips with ... be 'Spectrum 512K' - something like RAM in Pentagon.
... bank switching of that extra RAM - we need 2 bits ... -
Where to get Spectrum RAMSigh. Even obsolete nixie tubes seem to be easier to get hold of than Spectrum RAM. I've tried the usual suspects (eBay and google searches), but not…
... get hold of than Spectrum RAM. I've tried the usual ... dead Spectrums with suspected bad RAM. It'd be nice to ... -
ZX Spectrum 16k by IskraHi everyone. I have posted the pics in some other thread... but it is HW related. Anyway, I have got a ZX 16k manufactured by ISKRA. It is in a box …
... , I have got a ZX 16k manufactured by ISKRA. It is ... with Sinclair to manufacture these 16k speccies, but the local press ... -
Betadisk RAM modificationHello! I've ocassionally found this on the web: [url]http://www.nairam.sk/betadisk.html[/url] [url]http://www.nairam.sk/betadisk_02.gif[/url] Doe…
... it adds a little shadow RAM into betadisk to be paged ... -
Black paper, white border. Ram fault?We have a speccy that wont work properly. When we power it up, we get white border around a black screen. We swapped the rom and ula with a working o…
We have a speccy that wont work properly. When we power it up, we get white border around a black screen. We swapped the rom and ula with a working one, and we got the same result.
is this a ram fault? How can we check ram chips? -
ZX 81 in DKTonics casing for sale on HeeBayYup thats right I'm flogging an issue 1 ZX81 with what looks like a genuine Sinclair 16K Ram expansion(minus plastic casing) inside. Genuine reason …
... looks like a genuine Sinclair 16K Ram expansion(minus plastic casing) inside ... -
Monitor/debugger that doesn't use the Speccy ROM?Was there ever a Spectrum monitor/debugger released that didn't use the ROM, for key input and character output routines? The reason I ask is that i…
... the 0-16K area (it can be forced to RAM, so setting ... -
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…
I know this is probably an extremely dumb question, but what, besides the extra 32K memory, is the difference between and original 16K rubber-key Spectrum and an original 48K rubber-key Spectrum? -
My to-buy listWhat I want to buy: -ZX80 - [COLOR="Red"]bought[/COLOR] -ZX81 - [COLOR="Red"]bought[/COLOR] -ZX Spectrum 48K - [COLOR="Red"]bought!!![/COLOR] -ZX…
...
-Sam Coupé
-16K ram module for Timex Sinclair 1000 ... /> THe Good Software Guide Spectrum 16K, Spectrum 48K and ZX81 by ... -
Wanted 10 - 4116 Ram ChipsHi Can any one help I am trying to get hold of 10 4116 RAM chips for a 48K Spectrum. Does any one know who might stock them. I can get a minimum of …
Hi
Can any one help I am trying to get hold of 10 4116 RAM chips for a 48K Spectrum. Does any one know who might stock them. I can get a minimum of 50 from Hong Kong but only need 10.
Best wishes
Martin Baugh -
Currah MicroSource emulationIt appears to be impossible to emualte the MicroSource in software on the ZX Spectrum SE as hardware polling is required. The following patch is not …
... /> org $8000 ; run in fast RAM
di ; disable interrupts ... />
; copy BASIC ROM to RAM
ld hl,$0000 ... RAM into ROM area
ld a,$03 ; select lower 16K ... -
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…
... to make it 48k from 16k. Any other form will do ... can butcher to get the ram chips from. Anyone got any ... -
bubble trouble 16k?Hi, i download this game from [url]http://www.worldofspectrum.org/infoseekid.cgi?id=0000729[/url] and run under emuZwin. i think its not 16k game :…
Hi,
i download this game from [url]http://www.worldofspectrum.org/infoseekid.cgi?id=0000729[/url]
and run under emuZwin. i think its not 16k game :(
someone have this 16k game? -
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…
... Gun method of removing the RAM chips from a 4S circuit ... . I wish to check the RAM chips, I have a Logic ... -
What did I buy?[QUOTE=ZXF11, page 9]WARNING. Do not try to use the ZX 16K RAM with the ZX Spectrum. It will not work. The 16K Spectrum could be upgraded to 48K, but…
... try to use the ZX 16K RAM
with the ZX Spectrum ... . It will not work. The 16K Spectrum could be upgraded to ... on ebay "complete with 48K RAM pack," therefore, don't be ... -
got a great speccy deal with some weird itemstoday i bought a job lot of speccy stuff inc. 48k+ zx81 2 16k ram packs interface 1 micro drive loads of books. and now the weird stuff. prism vtx500…
16 or 48k you decideI was wondering apart from the sticky label on the back say 48k and with out being able to see one boot up, if there is any way to tell a 16k machine…
... any way to tell a 16k machine apart from a 48k ... machine.
Do the 16k machines have a different serial ... be able to up the ram - amyone know options on top ... of their head for max ram upgrade for the wee beasty ...Ram Turbo InterfaceHi all, Can any one tell me if the Ram Turbo Joystick Interface is compatible with Kempston Joysticks? Or are both the Joystick ports Sinclair 1 and…
Hi all,
Can any one tell me if the Ram Turbo Joystick Interface is compatible with Kempston Joysticks?
Or are both the Joystick ports Sinclair 1 and 2
It is the one with the Rom port on it.+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 …
... br />
There are 4 ram chips on sockets on board ... Plus2B.
The one ram chip IC6 had a pin ... br /> I then removed 2 ram chips IC6 and IC4 replace ... dwith 2 other ram chips that to be honest ... br />
If its the ram chips then I shall buy ...+D and RAM Turbo interfaceJust a quick note to let a few guys in particular know that my RAM Turbo does in fact work with my +D interface. I checked continuity through the RA…
... particular know that my RAM Turbo does in fact ... I checked continuity through the RAM Turbo, and found all lines ... used to have a second RAM Turbo, and of course ... is a clone. The other RAM Turbo, which, alas, ... external devices, or som RAM Turbo interfaces don't ...Three feet later...Three feet of solder wick later, that is, after clearing the holes where the 4532 (upper 32K) memory was on the issue 4B board I've finally got aroun…
... the holes where the 4532 (upper 32K) memory was on the ... two minutes to get eight RAM chips out with the hot ...What Shop Did Spectrum come fromWhat shop was your spectrum purchased at? I my mum got ours for Christmas 1983 from W.H.Smith in Oxford. The guy in the shop asked my Mum if she wa…
... Rom or Ram version. I think what he meant was 16K or ...Wipe Out by KB RamWhilst doing a long-overdue update for Speccy Spoilers, I noticed that one of the latest additions is a game which doesn't appear to be in the archiv…
... was written by a KB. Ram in 1987. It's very ...PC power source and Spectrums.I'm planning to use a basic PC ATX power source (300W) for all my sinclair equipment, but I have two questions: - I've read about some nasty things …
... remember something about a RAM chip failure destroying internal power sources due ...Broken SpectrumsChaps ( & Mrs Death ), I was looking at getting some dynamic ram chips for the next phase of the Harlequin stuff, and I started thinking...... I've…
... looking at getting some dynamic ram chips for the next phase ... them out of my Memotek 16K ZX81 Rampack and tried a ... /> If there are enough 32K ram chips left over, then that ...RAM electronics music machineHiya, Just bought a Ram electronics Music Machine from E-bay, and was wondering where I could get some docs for this product, I have managed to find…
Hiya,
Just bought a Ram electronics Music Machine from E- ...Problem with replacing all upper memory with 4164 chipsGuys, i have a problem with the high memory of a 4B issue. At first the board had OKI chips for high memory and one of them was faulty. Since its ea…
... it sais there is faulty RAM at address 8000, and when ...splib2 from ROMI'm trying to generate IF2 ROM games for ZX Spectrum 16K using z88dk + splib2. So far I've managed to create a new crt0 file and to generate valid RO…
... ROM games for ZX Spectrum 16K using z88dk + splib2. So ... , placing global variables in RAM and stuff like that. ... a splib2 which is 16K-friendly and creates the ... to the structures generated in RAM from $7000 onwards and ... to be located on RAM?
Thanks ...
