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<1…16171819202122…34>
  • 128k heat sink - ULA problems and a hintHello, I had two ZX Spectrum 128k with a similar behaviour. One item worked only a short time after switching on and then there were increasing RAM …

    ... . How much current does the power supply have to provide whilst ... he should not have to power the Divide+ externally (that would ... doesn't require any major mods. Sounds like the [I]National ... 7805 regulator using a TIP3055 power transistor as a buffer amp ...
    BloodBaz BloodBaz January 2009 Hardware
  • Games you NEARLY completedAhh the frustration! You've put weeks of effort into a game only to find you reach an impossible level, an uncertainty of what to do next, or at a lo…

    ... the deeds, the flag was low, the dogs were chasing and ... digging the tunnel. Then the power (like for the whole town ...
    The President The President January 2009 Games
  • plus3e simple ide interface problemhi, I prepared a 8bit simple ide interface 3 days ago, but I got problems (with or without ide cable connected). 1.First of all, I have to press re…

    ... t start spinning until I power up speccy? I'm ... I power harddisk first and it starts to make very low noise ... will start spinning when I power my speccy up, and ... won't stop until I power off the harddisk. If ... ide cable from HD and power it up without ide ...
    Arda Arda February 2009 Hardware
  • Issue 2 Spectrum overheating keyboard membraneI think I have an issue 2 ZX Spectrum. I don't want to take it apart again as I had problems replacing the keyboard membrane. With Interface 1 conne…

    ... with a [I]regulated[/I] power supply that outputs around 7 ... ) Replace internal regulator with a low-drop version. Then you can ...
    RetroTechie RetroTechie February 2009 Hardware
  • Issue 2 Spectrum overheating keyboard membraneI think I have an issue 2 ZX Spectrum. I don't want to take it apart again as I had problems replacing the keyboard membrane. With Interface 1 conne…

    ... air flow and the extra power demands of the IF1 won ... heatsinking is only marginally too low. A few volts dropped could ... circuit (7809 V reg, 2A power transistor etc) fed from the ...
    DEATH DEATH February 2009 Hardware
  • OnLive gameing service"Imagine playing a computer game without any hassles. Drivers, troubleshooting, installations, compatibility, performance--all thrown out the window.…

    ... high-definition video data with low enough latency to be acceptable ... feasible in terms of processing power per user - IIRC, it's ... -console's worth of computing power, in addition to whatever's ...
    gasman gasman March 2009 Chit chat
  • Spectrum+ / Spectrum +2 RF Composite HackHello there fellow forum chummies :) I have done this hack to my 48k Specky + [url]http://womblesretrorepairshack.blogspot.com/2008/11/zx-spectrum-…

    ... that this transistor has to low amplification I found out some ... .

    BTW: The other mods mentioned in the link I ...
    ingo ingo April 2009 Hardware
  • Their Finest Hour - manualHi all ! Any chances to see instructions for this game? 'Shorten' or full, in txt or jpg, pdf,...

    ... of the west, the four power stations and the three of ... . Those alerted or with a low level of alert cannot be ...
    Mevweb Mevweb April 2009 Games
  • OutRun Europa - THIEF!Just played the OutRun Europa RZX (shaded graphics really don't work in this sort of game), and saw the end sequence. They lifted the graphics from t…

    ... which pretty much sunk Sega Power Magazine. They took pics from ... Arcades anyway by then, Sega Power really shot themselves in the ... they almost could pull a low trick like that off, all ...
    dm_boozefreek dm_boozefreek May 2009 Games
  • BNP secures two seats.Nik Griffin leader of the BNP as been elected for north west region and Andrew Brons won another BNP seat in Mile's neck of the woods Yorkshire. Tha…

    ... turnout for Labour was so low that the BNP vote counted ... anyone the sort of absolute power that gets them wet) if ...
    joefish joefish June 2009 Chit chat
  • Weird we have half the power.We have just had a momentary power cut, now everything has come back on we only have half the power. The old traditional lights bulbs are only ligh…

    ... Strowger. The exchange presumably lost power and went onto its battery ... was, with the voltage being low, all the tones sounded at ...
    Winston Winston June 2009 Chit chat
  • Weird we have half the power.We have just had a momentary power cut, now everything has come back on we only have half the power. The old traditional lights bulbs are only ligh…

    ... Strowger. The exchange presumably lost power and went onto its battery ... was, with the voltage being low, all the tones sounded at ...
    Scottie_uk Scottie_uk June 2009 Chit chat
  • Weird we have half the power.We have just had a momentary power cut, now everything has come back on we only have half the power. The old traditional lights bulbs are only ligh…

    It's also important to unplug refrigerators and other equipment that has electric motors if you experience "half power".
    Low voltage can cause electric motors to burn out.
    Pilsener Pilsener June 2009 Chit chat
  • Weird we have half the power.We have just had a momentary power cut, now everything has come back on we only have half the power. The old traditional lights bulbs are only ligh…

    ... if you experience "half power".
    Low voltage can cause electric motors ...
    Scottie_uk Scottie_uk June 2009 Chit chat
  • power supply questionHi all, got my +2 ( Grey) back home to Canada. monitor should display ok, and I have a power supply I think will work. specs are : Input 120 V…

    ... ok, and I have a power supply I think will work ... be a little on the low side??
    Also, the plug ... ?
    [/QUOTE]

    The power supply for spectrum 16K,48K ...
    Jose_Leandro Jose_Leandro June 2009 Hardware
  • My WCIts a white porcelain one with a white plastic seat and cover, it's very nice and i don't use those fresheners that hang over the edge i use those ne…

    ... . This coupled with the usual low height of the cistern and ... allows you to add extra power to the flush by initiating ... 't have the reliability or power of Mr Crapper's invention ...
    Winston Winston July 2009 Chit chat
  • I want a DivIDE but....I need help, I want to get a DivIDE but I need some advice. Which one do I go for DivIDE or RWAPS DivIDE+ (when they become available). Which firmwa…

    ... . Expensive and reliable NVRAM has power up activity delays built in ... around ?20 for 32K in low volumes for each chip, and ... to protect the RAM on power up/power down but this increases ...
    Winston Winston August 2009 Development
  • I want a DivIDE but....I need help, I want to get a DivIDE but I need some advice. Which one do I go for DivIDE or RWAPS DivIDE+ (when they become available). Which firmwa…

    ... . Expensive and reliable NVRAM has power up activity delays built in ... around ?20 for 32K in low volumes for each chip, and ... to protect the RAM on power up/power down but this increases ...
    Hood Hood August 2009 Development
  • My annoying computer threadAs i have just purchased my first computer i thought id start a thread where i can ask you all anoying and possibly simple questions. first off ive …

    ... if you got a very low end model to start ... way behind in terms of power against a desktop PC. ... be more important) for power you're not really going ... fine on something with the power of a netbook. Gaming ... of games really require more power than a laptop has, ...
    Winston Winston August 2009 Chit chat
  • Dead 48K Speccy.Blow this up as a child... thought I'd get it down from the loft and see if I can repair it. Upon power up, it displays this: [IMG]http://i266.photo…

    ... would be to check the power supply voltages. You should have ... suggestion: check the voltages at low memory (5V, 12V, -5V) and ...
    cycyc cycyc September 2009 Hardware
  • The Goldfinch updates thread([url=http://www.worldofspectrum.org/forums/showthread.php?t=25034]original announcement thread here[/url] - I figured it was worth starting a new to…

    ... ) ;set divide ram 0 + reset low/high (*)
    ABC DEC BC ... state. After reset or
    power-on, this state is unknown ...
    velesoft velesoft September 2009 Development
  • The Goldfinch updates thread([url=http://www.worldofspectrum.org/forums/showthread.php?t=25034]original announcement thread here[/url] - I figured it was worth starting a new to…

    ... same.

    When you power on (or press the reset ... , and "looks" like a very low resistance. This means reset out ... zero volts. Reset is active LOW for pretty much any chip ... the threshold voltage is quite low, around 1.8 volts or ...
    Winston Winston September 2009 Development
  • I bought my first ZX Spectrum 48k, now what ?Hi guys ! I recently go to Brussel in Belgium and found a ZX Spectrum at a "flea market" (sorry, I don't the correct word for that, let's call it a …

    [QUOTE=Winston;385994]Most composite mods also include a simple one- ... don't have a 9V power supply for the ZX Spectrum ...
    RetroTechie RetroTechie September 2009 Hardware
  • Yet another Wii threadI think I'm getting a Wii on Saturday, er that's about it really I think! Don't really need to ask too many questions or about online play or Mii's …

    ... a possibility especially if the power is interrupted during the update ... extend to machines with hardware mods. My advice would be to ...
    Matt_B Matt_B October 2009 Chit chat
  • Diagnosing Spectrum 48k (faulty RAM chip?)I have a Spectrum 48k (I believe it may be an upgraded 16k model) that doesn't work, and never has ever since the owner gave it to me. When you turn …

    ... that something is loading the power supply circuit down if it ... . But it's alright to power up the board in that ... 'll have to socket the low 16k of mem.[/QUOTE]
    RetroTechie RetroTechie November 2009 Hardware
  • Solar power?According to: [URL]http://news.bbc.co.uk/1/hi/sci/tech/8386460.stm[/URL] solar panels are becoming ever cheaper. If these worked well, then of cour…

    ... seem obsessed with using solar power to generate mains electricty, but ... when the charge got really low, the machine sent him an ... the battery to get that low.

    All that said ...
    Spex Spex December 2009 Chit chat
  • ZX Spectrum Power SupplyHi All, I've come across a power supply that is currently registering 14.5v before it is plugged into the Speccy. I have another one that registers…

    ... the input voltage is too low (lower than about 8V), the ... ] voltage/amp ratings for those power supplies? Btw. isn't there ...
    RetroTechie RetroTechie February 2010 Hardware
  • Mass storage - why backup battery?I wasn't sure to post this under "hardware" or "development", but here goes: There are these mass storage devices for ZX Spectrum, and on many desig…

    ... /> SRAM can be connect in low 16kB of adress space instead ... sram memory use writing to low 16kB(this is impossigle on ... />
    And BATTERY BACKUP = possibility power-off computer without data erasing ... software to sram after each power-on. Complette this sram ...
    velesoft velesoft February 2010 Hardware
  • Mass storage - why backup battery?I wasn't sure to post this under "hardware" or "development", but here goes: There are these mass storage devices for ZX Spectrum, and on many desig…

    ... useful for storing state between power cycles. See the ResiDOS task ... is added to ensure the power supply is stable before allowing ... write enable to go low. Very easy to accidentally overwrite ... crashes, or someone yanks the power out in the middle of ...
    Winston Winston February 2010 Hardware
  • Please test my Manic Miner remake!Thanks to everyone who downloaded my sneak preview of Manic Miner Turbo. Thanks especially to na_th_an who is the only person so far to give feedback…

    ... each frame. And the solar power beam of course. EDIT2: I ... to be easy to make mods from, I'd rather not ...
    Paradigm Shifter Paradigm Shifter February 2010 Games
<1…16171819202122…34>

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