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Thread: Commodore C16 RAM Upgrade

  1. #11
    Diego77777's Avatar
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    Me too
    [SIZE=1][COLOR=gray]4xC16 (2[/COLOR]:hammer:) [COLOR=#3E3E3E][SIZE=1]- [COLOR=green]A500[/COLOR] -[/SIZE] [COLOR=navy]A2000+SupraRAM+Wordsync40Mb+A2301+A2088XT[/COLOR][/COLOR][/SIZE][SIZE=1][COLOR=#3E3E3E] - [/COLOR][/SIZE][COLOR=#3E3E3E][SIZE=1]A1200+HD4Gb+MBX1200z[/SIZE][/COLOR]

  2. #12
    craftsman1234's Avatar
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    Since everyone is showing off pictures. Say hello to my little friend. 64K and JiffyDos.



    I used the guide here this week as well.

    Here is another guide that I first used:

    http://c128.com/comment/667#comment-667

    I had problems with this guide and ended up going back to the one here but I believe failed to cut the trace on both lines as needed.

    On my motherboard I could not see the line that needed to be cut on the top of the motherboard (74SL257) and ended up doing the wrong one. I ended up removing the IC and repaired the line from the bottom of the board.



    If I had to do it over again I would go back to Callan's guide as it would be much easier to cut the 2 traces on the bottom of the board.
    2 Pets, Vic-20, 2 NTSC 64's, 1 PAL 64c, 2 SX64, 128DCR, Plus/4, Ramlink, Swiftlink, CMD-100, 1581, 1571, 1541-II, 1541ultimate2

    Amiga 1000, 1200/030, 3000/060, 4000d, 4000t/060/PPC

  3. #13
    kaini's Avatar
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    Hi,i have a NEC D41464C-12NL is compatible for upgrade C16?
    Amiga 1200 REV 1D.4 ACA 1232 68EC030@25MHz 128MB CF 4GB ROM 3.1 ClassicWB Full
    Amiga 600 REV 2B A604 1MB CF 4GB ROM 37.350 WB 2.1

  4. #14
    Keeper of the Valiant Turtles. Amibayer! thecellartroll's Avatar
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    Not sure... all the chips I looked at for upgrade had 4464 in their model number.
    Commodore VIC20 & SD2IEC, 64x5 & Chameleon, 64Cx4, C128, Plus4 & SIDcard C16, C16@64K, Sinclair Spectrum+ 128K & divIDE2k11 +2 +3 ZX81 &ZonX, Amstrad CPC 464x2 6128x2 6128+, Acorn RiscPC 600 (StrongARM + 586), Electronx3, +1, +3, BBC Master128 + MMC & Valiant Turtle, C64 DTV, Atari 800XL.

  5. #15
    resistance is futile! Amibayer! roy_bates's Avatar
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    Quote Originally Posted by kaini View Post
    Hi,i have a NEC D41464C-12NL is compatible for upgrade C16?
    i think it would work.
    i have got too much hardware,it would only hurt your eyes to look at it here

  6. #16
    we live as we dream. Alone. VIP
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    Oh i like it , i must get my Plus4 working....that could be another Youtube vid

    nice work.

  7. #17
    kaini's Avatar
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    Quote Originally Posted by kaini View Post
    Hi,i have a NEC D41464C-12NL is compatible for upgrade C16?
    This RAM chip tested & working by me with no problem,great tutorial!
    Amiga 1200 REV 1D.4 ACA 1232 68EC030@25MHz 128MB CF 4GB ROM 3.1 ClassicWB Full
    Amiga 600 REV 2B A604 1MB CF 4GB ROM 37.350 WB 2.1

  8. #18
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    Very good guide, thanks!
    Commodore Rulez!



  9. #19
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    Nice photos! I've successfully made this mod tonight. I think I have a newer motherboard revision with better pcb (not this thin foil traces or what to call them). I had problems cutting the trace under U7 as it was even more hidden than yours. I actually couldn't see the trace at all. I had to desolder pin 2 and forcefully pull it up through the hole in order to reach the trace. Then I cut the pin a little and had the wire go through the hole, attached to what remains of the pin.

    A simpler solution would be just to cut the pin close to the pcb, then solder the wire in the component side. Then you wouldn't need to care about the trace at all. The same should apply for the other wire too. No need to harm the pcb but harming the chips instead. Next time, if ever, I'll do it that way I think.

    Anyway, just in case someone will do it with the same motherboard revision as mine, it is a little tricky but doable.

  10. #20
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