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<1234567…34>
  • 48k Spectrum ULA 6C001E-6 ChipAs title says, for sale: ULA 6C001E-6 Chip PM if interested.

    As title says, for sale: ULA 6C001E-6 Chip

    PM if interested.
    dreamscape dreamscape September 2014 Sales
  • ULA chipHi. Where i can find a ULA 6C001E-6 chip for an 3B issue Speccy ? Also looking for one 7805 heatsink... Thank

    Hi.

    Where i can find a ULA 6C001E-6 chip for an 3B issue Speccy ?
    Also looking for one 7805 heatsink...

    Thank
    Gods Gods May 2007 Wanted
  • Wanted: Rubber Key 48K M/board or ULAI have a spectrum that isn't too happy. It seems to be a problem with the ULA... So, has anyone got a spare working motherboard that'll fit in my ca…

    ... be a problem with the ULA...
    So, has anyone got ... in my case, or a ULA for a 3b revision? I ... .

    The current ULA has Ferranti ULA 6C001E-6 / 8351 stamped on, so ...
    Jason9 Jason9 March 2011 Wanted
  • Speccy just snuffed it while playing 3D Pinball :(I have two speccys but the one I use most has just given up the gost! :-( game froze up and now all I get is flashing patterns and lines:-( Everyt…

    ... thought why not change the ULA anyway to see if it ... today! :-D

    The ULA has a different number but ... running ok, old one was: ULA 6C001E-6
    8402

    new ... one is:

    ULA 5C112E-3
    8301
    +2MAN +2MAN September 2007 Hardware
  • Speccy just snuffed it while playing 3D Pinball :(I have two speccys but the one I use most has just given up the gost! :-( game froze up and now all I get is flashing patterns and lines:-( Everyt…

    ... thought why not change the ULA anyway to see if it ... today! :-D

    The ULA has a different number but ... running ok, old one was: ULA 6C001E-6
    8402

    new ... one is:

    ULA 5C112E-3
    8301
    DEATH DEATH September 2007 Hardware
  • ULA RAS, CAS cycles, refresh and "snow effect"Hello everyone. I have a question, does anyone observed timings of RAS and CAS generated from ULA? I think there may be answer to where the "snow ef…

    ... /> have the 6C ULA, 6C001e-6 datacode 8344 and a 6c001e-7 datecode 8406 ...
    csmith csmith November 2007 Development
  • Spectrum Serial Numbers Wanted!![b]This post updated Sept. 26, 2013[/b] As far as I know, the serial numbering system for the Spectrum has never been fully worked out. For the p…

    ... are:
    48k issue 3 / ULA 6C001E-6 / Serial: Green 001-536248
    48K+ Issue 6A / ULA 6C001E-7 / Serial: Blue 107-210891 ...
    Hairy Hairy February 2010 Sinclair Miscellaneous
  • Spectrum Serial Numbers Wanted!![b]This post updated Sept. 26, 2013[/b] As far as I know, the serial numbering system for the Spectrum has never been fully worked out. For the p…

    ... /> D01-281440 Green
    ULA 6C001E-6
    Hitachi ROM
    ... /> D01-026992 Green
    ULA 5C112E-2
    Hitachi ROM ... /> 001-411318 Green
    ULA 6C001E-6
    NEC ROM
    ... /> D01-110773 Green
    ULA 5C112E-3
    NEC ROM ...
    alien8r33d alien8r33d May 2010 Sinclair Miscellaneous
  • 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 …

    ... on an Issue2 board with ULA 6C001E-6 which board had no patch ...
    roko roko July 2010 Hardware
  • Spectrum Serial Numbers Wanted!![b]This post updated Sept. 26, 2013[/b] As far as I know, the serial numbering system for the Spectrum has never been fully worked out. For the p…

    ... CPU - NEC 8350
    ULA - Ferranti 6C001E-6 8401
    16k Ram - ... CPU - Zilog Z80A 8312
    ULA - 6C001E-6 8335
    16k RAM - 8332 ... /> CPU - NEC 8338
    ULA - 6C001E-6 8343
    16k RAM - 8343 ... /> CPU - NEC 8419
    ULA - 6C001E-7 8448
    16k RAM ...
    Jimbob-Squarepants Jimbob-Squarepants February 2011 Sinclair Miscellaneous
  • Spectrum Serial Numbers Wanted!![b]This post updated Sept. 26, 2013[/b] As far as I know, the serial numbering system for the Spectrum has never been fully worked out. For the p…

    Issue 3
    Green writing
    001-511113
    ULA: 6C001E-6
    Bad M1 line on non-socketed NEC ROM
    UM1233 E36 Modulator
    Macc Macc April 2011 Sinclair Miscellaneous
  • Spectrum Serial Numbers Wanted!![b]This post updated Sept. 26, 2013[/b] As far as I know, the serial numbering system for the Spectrum has never been fully worked out. For the p…

    ... are:
    Modulator: 8331
    ULA 6C001E-6: 8347
    16K RAM: 8347 ...
    Spirantho Spirantho April 2011 Sinclair Miscellaneous
  • Spectrum Serial Numbers Wanted!![b]This post updated Sept. 26, 2013[/b] As far as I know, the serial numbering system for the Spectrum has never been fully worked out. For the p…

    ... issue [b]one[/b].
    ULA is 5C102E 8220
    CPU ... key
    Issue 3B
    ULA 6C001E-6 8335
    CPU is D780C ... Key
    Issue 3
    ULA 6C001E-6 8340
    CPU is D780C ...
    Spirantho Spirantho April 2011 Sinclair Miscellaneous
  • Spectrum Serial Numbers Wanted!![b]This post updated Sept. 26, 2013[/b] As far as I know, the serial numbering system for the Spectrum has never been fully worked out. For the p…

    ... -393874
    Modulator 8327
    ULA 6C001E-6 8338
    CPU Zilog Z8400A ...
    Spirantho Spirantho May 2011 Sinclair Miscellaneous
  • Spectrum Serial Numbers Wanted!![b]This post updated Sept. 26, 2013[/b] As far as I know, the serial numbering system for the Spectrum has never been fully worked out. For the p…

    ... D416C-3 8210/8212
    ULA: 5C102E 8222

    Edit ... 8414
    Modulator: 8416
    ULA: 8543 (looks like it's ... 8352
    Modulator 8346
    ULA 6C001E-6 8350
    16K: 8349
    Spirantho Spirantho May 2011 Sinclair Miscellaneous
  • Spectrum Serial Numbers Wanted!![b]This post updated Sept. 26, 2013[/b] As far as I know, the serial numbering system for the Spectrum has never been fully worked out. For the p…

    ... -270477 (green)

    Ferranti ULA 6C001E-6 8347

    NEC Z80 ... been told my ZX81 with ULA 1281 is one of the ...
    absinthe_boy absinthe_boy October 2011 Sinclair Miscellaneous
  • Spectrum Serial Numbers Wanted!![b]This post updated Sept. 26, 2013[/b] As far as I know, the serial numbering system for the Spectrum has never been fully worked out. For the p…

    ... 8406 1983 ISSUE 3B
    ula : FERRANTI ULA 6C001E-6
    rom : NEC 8407X9 ...
    stevebrowne stevebrowne April 2012 Sinclair Miscellaneous
  • Spectrum Serial Numbers Wanted!![b]This post updated Sept. 26, 2013[/b] As far as I know, the serial numbering system for the Spectrum has never been fully worked out. For the p…

    Hope I'm doing this right.

    48K Issue 3
    Serial (green): 001-564512
    CPU SGS Z80A 28423
    ULA 6C001E-6 8340
    utz utz August 2013 Sinclair Miscellaneous
  • Spectrum Serial Numbers Wanted!![b]This post updated Sept. 26, 2013[/b] As far as I know, the serial numbering system for the Spectrum has never been fully worked out. For the p…

    48k
    Serial: 028-130891 (red)
    Issue 4A (Yellow board)
    ULA: 6C001E-6
    Macc Macc September 2013 Sinclair Miscellaneous
  • Spectrum Serial Numbers Wanted!![b]This post updated Sept. 26, 2013[/b] As far as I know, the serial numbering system for the Spectrum has never been fully worked out. For the p…

    ... /> CPU SGS Z80A 28423
    ULA 6C001E-6 8340[/QUOTE]

    Excellent ...
    csmith csmith September 2013 Sinclair Miscellaneous
  • Two more faulty onesCould I get your opinion on these two faults, please? Understanding these two cases would be very beneficial for my ZX education. Thanks! - A Spectr…

    ... :

    [QUOTE]
    The ULA cleaned up the earlier I ... to the issue 2 5C112E ULA and altered the timing of ... =1]Chapter 24. ULA Versions, section "Issue 3 ULA 6C001E-6", p.251[/SIZE ...
    balford balford November 2013 Hardware
  • ZX Spectrum and add-on temperaturesImre Jakli from Hungary sent me some interesting pictures which I think are worth to share. These are about temperatures he measured with a modern to…

    ... boards. Comparation of the two ULA temperatures
    are really interesting ... /Temperatures/ULA_5C_10min_operation.jpg[/img]
    ULA 5C112E-3

    [img ... /Temperatures/ULA_6C_10min_operation.jpg[/img]
    ULA 6C001E-6
    jimre jimre December 2013 Hardware
  • Spectrum Serial Numbers Wanted!![b]This post updated Sept. 26, 2013[/b] As far as I know, the serial numbering system for the Spectrum has never been fully worked out. For the p…

    ... 032-143105 (Red)
    ULA 6C001E-7
    Yellow motherboard, first ... /> D01-383021 (Green)
    ULA 6C001E-6 8341

    Issue ... /> D01-191360 (Green)
    ULA 6C001E-6

    Issue 2 ... /> S01-067425 (Sticker)
    ULA 6C001E-7 8711

    ...
    Hairy Hairy January 2014 Sinclair Miscellaneous
  • The ULA6C001E-5...Hi everybody, I have been continuing my Quest for the Holy ULA, and have today taken delivery of a ULA6C001E-5. Now, the -6 was used in Issue 3 boar…

    ... /> D01-079840 Issue two FERRANTI ULA 6C001E-6 8345

    001-086023 ... FERRANTI ULA 6C001E-6 8323

    001-431317 Issue two FERRANTI ULA 6C001E-6 8329 ...

    001-443297 Issue two FERRANTI ULA 6C001E-6 8329
    rga24 rga24 August 2014 Hardware
  • Spectrum Serial Numbers Wanted!![b]This post updated Sept. 26, 2013[/b] As far as I know, the serial numbering system for the Spectrum has never been fully worked out. For the p…

    ... Serial : D01-135342 red
    ULA : 6C001E-6 8325
    CPU : NEC ... : D01-183288 red
    ULA : 6C001E-6 8335
    CPU : NEC ... Serial : D01-134734 red
    ULA : 6C001E-6 8325
    CPU : Zilog ...
    kevman3d kevman3d July 2015 Sinclair Miscellaneous
  • Spectrum Serial Numbers Wanted!![b]This post updated Sept. 26, 2013[/b] As far as I know, the serial numbering system for the Spectrum has never been fully worked out. For the p…

    ... box on top-right )
    ULA: 6C001E-7 8429
    ISSUE 4B ... ], 3x[44051])
    in socket: ULA
    NOTE: rubber keys look ... in UK top-right)
    ULA: 6C001E-6 8344
    CPU: SGS Z8400AB1 ... ] 1x[P8245]
    in socket: ULA and IC26
    NOTE: rubber ...
    Z80user Z80user October 2015 Sinclair Miscellaneous
  • Spectrum Serial Numbers Wanted!![b]This post updated Sept. 26, 2013[/b] As far as I know, the serial numbering system for the Spectrum has never been fully worked out. For the p…

    ... /> Serial : 021-973581 red
    ULA : 6C001E-6 8407
    CPU : SGS Z8400AB1 ... (8x[P8410])
    in socket: ULA
    Modulator : 8415
    brian-82 brian-82 October 2015 Sinclair Miscellaneous
  • Spectrum Serial Numbers Wanted!![b]This post updated Sept. 26, 2013[/b] As far as I know, the serial numbering system for the Spectrum has never been fully worked out. For the p…

    48k issue 3:

    Serial : D01-158303 Green
    ULA : 6C001E-6 8329
    CPU : NEC 0780C-1 8318P8
    Sol_HSA Sol_HSA November 2015 Sinclair Miscellaneous
  • Spectrum Serial Numbers Wanted!![b]This post updated Sept. 26, 2013[/b] As far as I know, the serial numbering system for the Spectrum has never been fully worked out. For the p…

    48K
    [code]
    Serial : D01-183587 green
    ULA : 6C001E-6 8401
    CPU : SGS Z8400AB1 26406-ITALY
    Modulator : 8325
    [/code]
    Stefan Drissen Stefan Drissen April 2016 Sinclair Miscellaneous
  • ZX Spectrum Test PCB I recently read about one of these (I think it may have been the Retroleum site but I am not sure) and I thought "What a great idea" . As pictured …

    ... it has the same number ULA so this appears to be ... the correct ULA for an Issue 2 Spectrum ... documentation written on this ULA is:- "Ferranti ULA 6C001E-6 8329 " This appears to ...
    harriusherbartio harriusherbartio May 2017 Hardware
<1234567…34>

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