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<1234567…34>
  • +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 ...
    swift240 swift240 June 2007 Hardware
  • Best 128k Speccy?Hi Which 128k Spectrum is the best from the point of view of the operating system, hardware design etc. Reason I'm asking is that I read on here th…

    ... implements the correct (+3/+2A/+2B) RAM contention. Also, the Spanish machine ...
    chev chev June 2014 Hardware
  • +2B problem stillHi all, I have a spare +2B that still dont work. Richard kindly sent me 4 x 4464 ram chips but the +2B still dont work I have swapped over both ROM`s…

    ... , I have a spare +2B that still dont work.
    ram chips but the +2B still dont work ... are slightly warm, all 4 RAM chips are cool.
    < ... br /> all RAM chips are on sockets so ... br /> I thought that the RAM chips was the problem but ...
    swift240 swift240 July 2007 Hardware
  • AMS X 4 memory chip for a +2BHey Chaps, While I had my Spectrum +2B opened up to work on the tape deck (replace belt and clean heads), I decided to try reseating some of the chi…

    ... /> While I had my Spectrum +2B opened up to work on ... an Amstrad manufactured 64x4 bit RAM chip. The truth is first ... me, maybe from a broken +2B? I can't justify paying ...
    joe joe February 2013 Wanted
  • Diag rom works cartridge on +2A/+2B/+3I'm not sure anyone has tested this before: using the diag rom (Paul Farrows) on a +2A/+2B/+3. I had a +2A with a problem, so I wanted to use the di…

    ... (Paul Farrows) on a +2A/+2B/+3.

    I had ... /> But both Interface 2 or RAM Turbo won't work by ... on a +2A/+2B/+3.
    - the RAM Turbo simply doesn't ... large enough for the +2A/+2B/+3 power connector.

    bverstee bverstee September 2013 Hardware
  • How do I know the RAM size?Just left my parents after cleaning out my pile of old stuff in their basement. Know what I found? My old ZX Spectrum.... Those were the days! Never …

    ... ZX81, though.
    3K om RAM, my friends!
    My question ... I tell what size of RAM I've got in my ...
    David David February 2001 Sinclair Miscellaneous
  • +2B & Connecting An Alphacom HELP!!!Hi there I recently bought an Alphacom32 and when i came to plug it in. I found that my +2B doesn't have a port for it. Can anyone help me out..I've…

    ... in. I found that my +2B doesn't have a port ...
    Speccy Fan Speccy Fan November 2003 Sinclair Miscellaneous
  • Modifying UK +2B for German TVI'd like to modify my +2B so the sound comes out of the telly. I already know I have to change the ceramic resonator X3 from 6 MHz to 5.5 MHz. I thin…

    ... 'd like to modify my +2B so the sound comes out ... schematics from WoS with my +2B board in the process of ... the +2A and the +2B boards. The +2B doesn't contain a ...
    J?rg Pleumann J?rg Pleumann October 2004 Sinclair Miscellaneous
  • HELP 4532 or 4864 RAM wanted !Hello My real spectrum fell off yesterday I know that one RAM memory chip is out of order There was 8 X HM4864P-2 but I saw in the Spectrum schemati…

    ...
    I know that one RAM memory chip is out of ... here to set 16K of RAM so 32K are enough to ...
    patrick delvenne patrick delvenne January 2005 Wanted
  • RAM Music MachineBoxed RAM Music Machine Sampler (for 48K, Plus, 128K, Plus two) includes the tape, microphone, manual, even original mic stand! I last got this wor…

    Boxed RAM Music Machine Sampler (for 48K, ...
    racingroom racingroom March 2005 Sales
  • Boxed 32k Ram packPicked one up a few weeks ago at a car boot sale with a boxed 16k Speccy. Is the ram pack worth anything? Not seen any on Ebay. Thanks in advance, G…

    Picked one up a few weeks ago at a car boot sale with a boxed 16k Speccy. Is the ram pack worth anything? Not seen any on Ebay.

    Thanks in advance, Gnorman
    Gnorman Gnorman June 2005 Sales
  • ZX-81 Ram Pack problemHi! I know this is a ZX Spectrum forum, but I am hoping someone here might be able to help me out... I have posted this to c.s.s. but noone was able…

    ... which is probably normal since ram
    test takes a ... original
    Sinclair ZX 16k ram pack issue 3 .
    ram pack :

    ... a posibility of faulty RAM somewhere on the lower ... />
    Also when no ram pack is present I can ...
    Tom-Cat Tom-Cat September 2005 Sinclair Miscellaneous
  • Spectrum +2B on a PC PSUHello, Id like to attach my Spectrum +2B to a PC Power Supply. Im currently using an ATX power supply with my Amiga CD32. I searched on here for so…

    ... like to attach my Spectrum +2B to a PC Power Supply ... found pinouts for the Spectrum +2B power socket, there are (if ...
    chaoticjelly chaoticjelly January 2006 Hardware
  • R Register, Contended RAM and ClonesHi. I've had a quick look at the CSS FAQ but didn't spot quite what I'm looking for (also the CSS FAQ doesn't have much detail of the clones - there …

    ... is the effect of contended RAM on the R-register? I ... run any code in contended RAM, but I do make several ... , but then without the contended RAM the HALT would take place ...
    icabod icabod July 2006 Development
  • RAM Test ROM?Found a link to this: [url]http://www.retroreview.com/iang/TestSpec4.zip[/url] in another thread, and fired it up in SPIN, but I have no clue how to…

    ... this to determine which physical RAM chip needs replacing, and/or ...
    trellis trellis September 2006 Hardware
  • 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 ...
    piters piters October 2006 Hardware
  • 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 ...
    Winston Winston November 2006 Hardware
  • Spectrum RAM Paks...This jogged my memory (excuse the pun!!) : [url]http://cgi.ebay.co.uk/CURRAH-32K-RAM-PACK-BOXED-SINCLAIR-ZX-SPECTRUM_W0QQitemZ150057889352QQihZ005QQ…

    ... ebay.co.uk/CURRAH-32K-RAM-PACK-BOXED-SINCLAIR-ZX- ... with one of these 32K RAM paks!
    My poor ... 16K model with this 32K RAM pak.

    It ... them!

    16K RAM paks were very popular for ...
    itsallgood itsallgood November 2006 Sinclair Miscellaneous
  • 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 ...
    Sonic Sonic December 2006 Hardware
  • 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?
    Arda Arda December 2006 Hardware
  • Any interest in new low-cost mass-storage interface with 512K RAM?I've recently added support to ResiDOS and the +3e ROMs for SD/MMC card interfaces; in particular, ZXMMC (which has no onboard RAM and so is only sup…

    ... (which has no onboard RAM and so is only supported ... of on-board non-volatile RAM (which would allow it ... be the 512K battery-backed RAM and a snapshot button. ... in the built-in RAM and are instantly available ... run from the built-in RAM, including ZX80 and ZX81 ...
    glancaster glancaster January 2007 Hardware
  • Just got a Spectrum +2BThis is the first Spectrum I've ever used or owned. I got it without a video cable or power supply. I wired up a proper video cable, and I altered an…

    ... , even though I have a +2B and don't plan on ...
    papa_november papa_november February 2007 Hardware
  • 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 ... ="Red"]bought[/COLOR]
    +2A/+2B/+3 to Scart - [COLOR="Red ...
    zxbruno zxbruno March 2007 Wanted
  • 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
    Martin Baugh Martin Baugh March 2007 Wanted
  • 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 ...
    Martin Baugh Martin Baugh April 2007 Hardware
  • Problem with ZX Spectrum 128k +2B Tv Output and RGB imageHello, Last week I've been ofered with a ZX Spectrum 128k +2B but I have a problem with the tv out (through RF modulator) .The image is clear on the…

    ... with a ZX Spectrum 128k +2B but I have a problem ...
    rfthunder rfthunder April 2007 Hardware
  • +2b not working with interface1i was trying to transfer some of my programs from my microdrive carts onto tapes last night, but found both my 48k and my toast rack 128K have decide…

    ... tried the IF1 on my +2B but it hangs after displaying ... 1 dont work on the +2b?
    madvanman madvanman May 2007 Hardware
  • 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.
    swift240 swift240 June 2007 Hardware
  • +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 ...
    DEATH DEATH June 2007 Hardware
  • Alternative chips for upper RAM blockDoes anybody know of a way to use 4464 chips instead of 4164 for the upper RAM block in a 48K machine? If not 4464 then something a little more avai…

    Does anybody know of a way to use 4464 chips instead of 4164 for the upper RAM block in a 48K machine? If not 4464 then something a little more available than the 4164. Winston? Piters??

    TIA
    DEATH DEATH August 2007 Hardware
<1234567…34>

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Related Threads

  • +2B ram chips?Hi all, I have got 2 Plus2B`s and 1 Plus2 gray case.<br /> <br /> Ok the one Plus2B don`t work, so I tried to see if I could pin down the problem.<br…
  • Inefficient code in ROM, from ram-check to RAM-DONEHere is the inefficient code:<br /> <br /> [CODE]<br /> ;; ram-check<br /> L11DA: LD H,D ; Transfer the top value to the HL registe…
  • How do I know the RAM size?Just left my parents after cleaning out my pile of old stuff in their basement.<br /> Know what I found? My old ZX Spectrum.... Those were the days!<…
  • +2B & Connecting An Alphacom HELP!!!Hi there<br /> <br /> I recently bought an Alphacom32 and when i came to plug it in. I found that my +2B doesn't have a port for it. Can anyone help …
  • Modifying UK +2B for German TVI'd like to modify my +2B so the sound comes out of the telly. I already know I have to change the ceramic resonator X3 from 6 MHz to 5.5 MHz. I thin…
  • HELP 4532 or 4864 RAM wanted !Hello<br /> <br /> My real spectrum fell off yesterday<br /> I know that one RAM memory chip is out of order<br /> There was 8 X HM4864P-2 but I saw …
  • RAM Music MachineBoxed RAM Music Machine Sampler (for 48K, Plus, 128K, Plus two)<br /> <br /> includes the tape, microphone, manual, even original mic stand!<br /> <b…
  • 'Valkyrie 17' by Ram JamIf you still need this title, please drop me a line at wadsterboy/AT/hotmail.com.
  • a.t.ram (atram)I just picked this up today. Is it on anyones WIP pile?
  • Boxed 32k Ram packPicked one up a few weeks ago at a car boot sale with a boxed 16k Speccy. Is the ram pack worth anything? Not seen any on Ebay.<br /> <br /> Thanks i…

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