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Search Again :: Adv Search 1000 results in 0.064s
<1234567…34>
  • Spectrum 48k Power On ProcessI have a 48k Spectrum here that maybe does something strange on power on. Could somebody confirm what is meant to happen when power is applied? On …

    ... that maybe does something strange on power on.

    Could somebody confirm ... to happen when power is applied?

    On this one I ...
    wep855 wep855 October 2014 Hardware
  • what components normally get taken out if you plug+unplug a joystick interface in with the power onwhat components normally get taken out if you plug+unplug a joystick interface in with the power on? i remember doing this a few times when i had …

    ... joystick interface in with the power on?

    i remember doing ...
    digital digital October 2018 Hardware
  • Picture interference on red areas.I recently got a 48K Speccy off eBay, did a composite mode and it seemed to work OK, but then my TV had to go off for repair so I didn't use it for a…

    ... 's some terribly scratchy interference lines in the large red areas ... 's not apparent in the blue. I can't really say ... the plain white screen at power-on or the black background of ... /> Other systems (PS1, N64, DVD) on the same telly using both ...
    joefish joefish July 2010 Hardware
  • Spectrum +3 fault - flashing screen on power onHi ive just bought a +3 When I power it on the power led and disk drive led come on. The screen just flashes black and white around the border, almos…

    ... +3
    When I power it on the power led and
    disk ... drive led come on.
    The ...
    mlasham mlasham December 2002 Sinclair Miscellaneous
  • +3 Scart on LCD vs CRTJust got a very nice condition +3 given for christmas, along with a new RGB scart lead from ebay (I believe it's a guy in Poland on here who makes th…

    ... a guy in Poland on here who makes them ... a crystal clear picture on an old crt with ... has resistors on the red, green and blue lines... but the blue resistor ... -> scart pin, well the blue resistor goes speccy -> cable ... loath to use it on a screen of this ...
    Megatron-UK Megatron-UK December 2006 Hardware
  • Broken +3I have noticed that some members on this forum prefer to repair Spectrums instead of just buying another one from ebay. I would like mine fixed at so…

    ... have noticed that some members on this forum prefer to repair ... not good:

    At power on, the border colour is white ... described as 32 vertical black lines on a green background, I would ... border may turn blue or yellow. The power and drive lights ...
    ASM ASM October 2010 Hardware
  • TESTROM3 - utility/rom for test your ZXHere is TESTROM3 utility as 16kB ROM file + flasher for install this rom to divide eeprom (or mapram mode). Work also on ZX Spectrum without ROM and …

    ... br /> - after power-on always set USR0 mode (on ZX128 and +2A ... /> EXIT TO 48ROM (work only on divide version)
    =============
    On ZX16 and ZX48 detect error (white and green border lines ... in border area (yellow and blue lines).
    PRESS reset = jump ...
    velesoft velesoft August 2012 Sinclair Miscellaneous
  • Velesoft's ZX128+2 with 1.5MB memoryMy old ZX128+2 PROFI (grey model - spanish version) for sale here: [url]http://aukro.cz/super-zx-spectrum-128-2-1-5-mb-i2738723874.html[/url] Back s…

    ... reset pulse is active after power-on, after press RESET button ... .

    - on board are boosted adress lines A8-A15 for ... .

    Menu after power on:
    [img]http://velesoft.speccy ... .JPG[/img]

    Blue connector with boosted RGBI signals ...
    velesoft velesoft October 2012 Sales
  • Tape loading on harlequinHi guys As per other thread I have completed my harlequin 48k build and it's working really well, I have a super card and loaded all kinds and pla…

    ... I see the yellow and blue lines start and hear the tones ... and exactly the same blue and yellow lines and tones hhmm
    on same Sony tape and all ...
    caver99 caver99 December 2017 Hardware
  • Simple & Portible means to boost PC Soundcard Line Out?Hi Guys, My older computers were very good at driving a real spectrum's ear socket via their Line Out or Headphone socket. My new Dell's sound card…

    ... a revelation. I now believe power is not the issue here ... some kind of debouncing going on.

    The code:[code ... streaks of black in the blue and blue in the black. Debouncing ... only causes the black (or blue) lines thin out but the streaks ...
    BloodBaz BloodBaz November 2010 Hardware
  • Picture interference on red areas.I recently got a 48K Speccy off eBay, did a composite mode and it seemed to work OK, but then my TV had to go off for repair so I didn't use it for a…

    ... 's some terribly scratchy interference lines in the large red areas ... 's not apparent in the blue. I can't really say ... the plain white screen at power-on or the black background of ...
    Jose_Leandro Jose_Leandro February 2011 Hardware
  • DivIDE CompatabilityThe Spectrum is 30 show proved a valuable event for investigating issues with Spectrums which do not work with the DivIDE.... The ones I sell are ma…

    Div+ provides power on pin 20, divide does not. ... same can be for address lines and others. Poor PCB. or ... with divide random way - mostly blue bars.
    kpuchatek kpuchatek September 2012 Hardware
  • spectrum problemshello, I just recieved a spectrum 48k on ebay [img]/__forums/images/smiles/icon_smile.gif[/img] (I live in the U.S.) I have a transformer to conver…

    ... just recieved a spectrum 48k on ebay [img]/__forums/images/smiles ... my problem:
    When i power on the spectrum i get the ... top and some white fuzzy lines in the black area also ...
    thoma thoma January 2002 Sinclair Miscellaneous
  • Broken sound on Spec +2My spectrum +2 (with the +3 system board) just gives off static sound through the UHF out. The audio out is also full of static sound. This is sitti…

    ... /> This is sitting at the power on menu, and also in Diag ... , and possibly had it solder on the wrong way around.
    It has printed on it "KBR 6.0 MC ...
    mlasham mlasham September 2002 Sinclair Miscellaneous
  • Speccy dead? :-(I've been playing around with my Speccy and a Discovery disc drive unit, and tried to do the NMI modification to allow a multiface to be plugged into…

    ... Multiface, I got coloured vertical lines on the screen.

    lines :-(

    I' ... with vertical black and white lines.

    So, ... connect or disconnect anything with power on...

    Any ideas ...
    hldswrth hldswrth December 2006 Hardware
  • Testing other ZX roms on DivIDE / DivIDE+This is package of different ZX rom images with DivIDE instalator. Each file contain ROM image at adress 49152 + assembler Prometheus with installati…

    ... BOLD fond type
    After power-on is allram mode off.
    on DivIDE+ and original old DivIDE ...
    velesoft velesoft August 2008 Sinclair Basic
  • Spectrum dead: 8 vertical bars in alternating colorsI have been soldering on this basterd for a long time now. All IC's now have sockets (except the LM1889). I swapped all 4116's by types that are 100%…

    ... that are 100% ok. Power is 100% ok. Swapped ... What I get when I power up the system, is 8 ... horizontal thin lines. When I switch on the power on and off ... there anything I can watch on the edge connector? What ... (tried to measure some stuff on ZX'es. but I only ...
    georgedb georgedb September 2009 Hardware
  • Problem with Spectrum +3 and power onHey, folks! I have here a Spectrum +3 with the following problem: - It has an ATX PSU, adapted and it powers on OK. - When it boots, it shows this …

    ... PSU, adapted and it powers on OK.
    - When it boots ...
    [UFO] [UFO] March 2010 Hardware
  • Issue2 troublesHi! I have a 48k Speccy Issue 2 which has trouble with displaying colour. It did have a broken LM1889 chip (it didn't display the blue component of …

    ... (it didn't display the blue component of the display) so ... for a few minutes after power on until it gets warm. So ...
    mikezt mikezt January 2011 Hardware
  • WIP: ULAPlus hardware implementationThis aims to be an "almost" plug-in replacement for the Sinclair ULA chip fitted in Spectrum 16K/48K/Plus machines. It comes in a form of a small PC…

    ... tolerant: for example, VRAM address lines A0-A6 are not used ... and isolation resistors from address lines at the multiplexer outputs from ... configuration to the FPGA upon power-on. If the RC-generated reset ... a temperature knob, but a power knob counting from 0 to ...
    mcleod_ideafix mcleod_ideafix August 2012 Hardware
  • Flashing systems on DIVIDE interfacesSome peoples can't reflash eeprom chip in Divide interface (original Divide, Divide 2k11, Divide 57d2/57d3). EEPROM chip AT28C64B contain feature fo…

    ... in eeprom if jumper E on divide is open and rom ... ]

    If flasher utility on your Divide show error message ... and copy to root directory on CF card all files and ... /> Insert CF to DIVIDE PLUS, power on ZX and .... ESXDOS 085 work ...
    velesoft velesoft June 2013 Hardware
  • Hardware description - DivIDE interface[B][U]DIVIDE interface / DivIDE 2k11[/U][/B] [B][U]The main description[/U][/B] DIVIDE is IDE interface with own external memory. Thanks to very goo…

    ...
    [B]#0[/B] (power-on/reset/rst 0)
    [B ... divide systems must after reset(power-on) always switch ZX to USR0 ... ram. Bit mapram is after power on inactive. If you set mapram ... Other features:[/B]
    [COLOR="Blue"]- Interface contain own NMI button ...
    velesoft velesoft August 2013 Hardware
  • Hardware description - MULTIFACE 3[B]Hardware description - MULTIFACE 3[/B] This is description of MF3 clone, because I can't find more about original interface. Schematic and PAL ch…

    ... . Interface automatically save data lines D3-D0(low 4 bits ... )

    [B]After POWER-ON or RESET[/B] is MF3 ... MF3 memory and CPU continue on adress #0066 in MF3 ... rom pages. After reset/power-on is set rom page 1 ... use all 8 low adress lines (A7-A0) = full 8bit ...
    velesoft velesoft August 2013 Hardware
  • Help with joystick interfaceHello to everyone! Just got me a joystick interface I have never seen before. I don't have instructions for it and I don't know if it required some…

    ... correctly.

    On the other hand, it incorporates ... The upper ones are for power, one can link directly ... the spectrum power unit and then use ... the knob on the front works as a power on-power off ... since only the round blue one is the true ...
    Renegade Renegade September 2013 Hardware
  • Seriously weird Issue 2 issue... (RAM-related)Hi guys; I have been trying to fix up my Issue 2 and have run across a bizarre issue that I haven't seen elsewhere in the forums. Hopefully one of …

    ... /> Now what happens:

    On power on, the Spectrum has black paper ... for a few seconds the blue/yellow loading bars appear, together ... which the black paper with blue/yellow loading bars appear again ...
    Trafferth Trafferth August 2014 Hardware
  • Hot plugable edge connector?Could the spectrum's edge connector have been made hot plugable without adding much to the manifacturing costs? I was thinking along the lines of a…

    ... /> I was thinking along the lines of adding an extra key ... shorting traces on the speccy board and also making the power traces ... longer than the rest on the speccy board so that power ... plug anything in with the power on, maybe it would have been ...
    Basher Basher September 2014 Hardware
  • Zaxon's Micro DivMMC problems<p>Hi all,</p><p>I received Zaxon's excellent micro divMMC in the post a few weeks ago for my 48K rubber-key (the micro version of divMMC fits nicely…

    ... I get the red/blue then yellow blue lines in the border, i ... .  Still nothing.I pulled the power and plugged back in, I ...
    namtip namtip June 2015 Hardware
  • Screen corruption with devices on edge connector (grey +2)Hi, I've recently done a full capacitor replacement and replaced all 16x DRAM chips on my grey +2. Prior to this I would get a corrupted screen…

    ... few minutes of being on, it would stop ... if I power the Speccy on with something on the edge connector ... remove the device and power-on again and its fine.< ... /> Could this be a power supply issue? I'm using ... the standard +2 power brick (barrel jack) and ...
    Megatron-UK Megatron-UK August 2020 Hardware
  • Was spectrum the most advanced thing when you got it?When you got your first spectrum games, were they the most advanced games at the moment? When my dad bought it for me I was crazy excited, it was ama…

    [quote]
    On 2003-08-19 10:31, ... Wrote the program in four lines (compare to 120 or so ... make the chessboard figure seen on the ZX81)
    20 ( ... 0, PAPER 7, draw green lines with DRAW etc & orange ... draw the wheel in blue)

    Lines 30 and 40 would ...
    The Mighty Dopethrone The Mighty Dopethrone August 2003 Games
  • ex-YU Homepage Updated !Hey All... This will probably be interesting only for the people here that are from ex-Yugoslav countries, but it might be interesting for everyone …

    Excellent job!

    Specialy like section with craked games and programs.

    I remember many games cracked by "Vatroslav" - while loading them there were thick blue lines on the border. I was always wondering who is the guy?
    princm princm April 2004 Announcements
<1234567…34>

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