Replacing 4116 ram with 4164 for reliability - AtariAge Forums
2016年10月11日 · The 4116 and 4164 chips are nearly identical with two exceptions so if you cut off pin 1, and bend out pin 8, trim and jumper to pin 9 you have a 4116 replacement that uses less power, lower heat and higher reliability.
RAM Chips in some of your favorite vintage computers!
2014年7月1日 · The 4164 RAM IC has been shown to work in the following computers - -----Apple IIe. Apple IIc (Early - Mid production) — late models with 4464 chips, do not work with 4164's Apple Macintosh 128k. Atari800XL. C64 - (Early - Mid production) — late models with 4464 chips, do not work with 4164's (C64C)
Atari 130XE 4164 best replacement or upgrade RAM chips?
2018年7月24日 · Hi, Thanks for the pointers and advice. From the looks of things, the quickest test is going to be swapping the resistors. Almost all the memory is MOSTEK, so I'm going to leave the first bank alone, apart from U14 (and possible U16, which doesn't look like …
Faulty RAM on 800XL - what ram to buy - AtariAge Forums
2018年7月29日 · Install a new RAM chip (4164). 7. Pray. 8. Test. 9. Repeat 3-8. 10. Plan the memory upgrade - submit ...
Atari 130XE 4164 best replacement or upgrade RAM chips?
2018年7月24日 · Atari 130XE 4164 best replacement or upgrade RAM chips? Theme . AtariAge (Default) Dimension .
4164 DRAM Replacement mod - ColecoVision / Adam - AtariAge …
2011年3月28日 · 4164 socketed DRAM...replacing the original 4116s A perfect tested working power supply and the A/V cord. I will be working on these today and over the weekend. Pictures will be posted when these units are ready. If you are serious about buying one of these units you can send a PM. Upon completion I will post pictures and ask for payment.
130XE: Why is first DRAM a 4164 and other 4264? Source for …
2011年12月27日 · i have opened up my two broken 130XE's and I noticed that both have Micron 4264's... well, 15 of them, and the first socket is populated in both cases with a 4164 (one is a NEC and the other a TMS). I believe that these are factory original, so the question is why? Seems more than random. Also, I...
Authentic Reproduction ATR8000 Interest? - AtariAge Forums
2020年10月27日 · Why stay with 4164 DRAM, most modern upgrades/devices have switched to static RAM? Yes, this. 64K SRAMs are cheap and incredibly reliable, and in a single DIP-32 narrow form factor, quite compact. @mytek has used them in all three of his modern A8 implementations (1088XEL, 1088XLD and 576NUC+).
Atari 800XL Memory Faulty - Atari 8-Bit Computers - AtariAge …
2011年8月17日 · The 4164's are a drop in replacement, and the 41256's, you just need to solder a wire to all the pin 1's and tie it to ground (i commonly do this when repairing machines, as the 41256 altho is a bigger ram, can usually be found much cheaper then the 4164's)
Commodore 64 Breadbin Help - Bad Ram? - AtariAge Forums
2021年6月20日 · The simplest conclusion here is RAM, and that is ostensibly the simplest thing to test. If you can get your hands on a good RAM chip or two, you can usually piggy-back a known good chip on suspected bad chip and get it to work properly. I am pretty certain replacement RAM for the 64s is not difficult to find (do not quote me on that.)