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Type: Posts; User: keenerb

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  1. I used Geoworks extensively on a CGA machine way...

    I used Geoworks extensively on a CGA machine way back when. It's definitely usable. Not pretty though that's for sure...
  2. Geoworks runs very well with a lot of expanded...

    Geoworks runs very well with a lot of expanded memory.

    DOSSHELL can also do basic task-switching very well with expanded memory.
  3. It's an old unpowered dial-type manual switch. ...

    It's an old unpowered dial-type manual switch. I'll give it a shot.
  4. That's fantastic, good to know you haven't...

    That's fantastic, good to know you haven't damaged your micro8088 irreparably, those Faraday chips are expensive and sometimes very hard to find!
  5. Is a DB9 serial switch safe to use for CGA/EGA monitors?

    Not sure if hot-swapping a monitor signal with a DB9 serial switch is safe...
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    I was able to dump both the ROM chips from this...

    I was able to dump both the ROM chips from this Emerson 4412 system.

    64174

    Haven't seen many of these systems around.
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    OK. so it looks like selecting 27C010 in the...

    OK. so it looks like selecting 27C010 in the minipro should be able to read this chip. That sound correct?
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    https://www.datasheetarchive.com/pdf/download.php?...

    https://www.datasheetarchive.com/pdf/download.php?id=7675342697d1d68dfce64c55bcd5849b209d21&type=O&term=KM23C1010

    That datasheet for the KM23C1010 seems to have a different pinout than the...
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    Not sure what that means; standard jeDdec pinout....

    Not sure what that means; standard jeDdec pinout.

    Specifically, I"m not sure how I can use that info to find a compatible ROM in my TL866CS interface...
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    Dumping KM23C1010 rom

    Can't find a lot of info on this rom, and it's not in my minipro chip supported list.

    Any suggestions as to what I can use to read this chip? It's the ROM of a fairly rare system it seems, I'd...
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    That's interesting.

    That's interesting.
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    Any info on Emerson 4122 286 PC?

    I've picked up a working one (dead DS1287 battery) and can't find much info on it.

    It claims to have a "unique" sound and audio hardware, and supports hardware EMS up to 8mb.

    Not a lot of info...
  13. Ah I see. Like I said, I don't know much about...

    Ah I see. Like I said, I don't know much about the early IBM pcs, much more of a Tandy guy. I picked up the 5160 just to tinker with, it'll probably all just end up on Ebay anyway, I'll let the...
  14. Sorry, I meant 5160, not 5150. 5150 had five...

    Sorry, I meant 5160, not 5150. 5150 had five slots, 5160 has eight, right?
  15. I wanted to do this with a ruined 1000SL system...

    I wanted to do this with a ruined 1000SL system (badly corroded motherboard) but I'm just not smart enough to drive a CGA interface via RPI.
  16. You know that was barely even noticeable to the...

    You know that was barely even noticeable to the naked eye. I looked that board over about ten times.

    This also doesn't match the jumpers perfectly for the two PC-CALC motherboards I can find on...
  17. I think this is an IBM PC/AT motherboard, but 10mhz? Can't find a part number on it

    63213

    Full-size image at

    https://i.imgur.com/TEMB09j.jpg

    I'm not real familiar with IBM 51XX-model machines.

    I picked this up in a box of miscellaneous boards at an estate sale...
  18. Does the 1000a use the "light blue" custom IC? ...

    Does the 1000a use the "light blue" custom IC? Looking at an old photo I have of a 1000a motherboard, it MIGHT be U25.
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    That is badass. I want one of those disk video...

    That is badass. I want one of those disk video interfaces badly now. I never knew they existed.
  20. I can't help with the printer interface, but do...

    I can't help with the printer interface, but do you still have some of that weird aluminum paper to use?

    Does it ever go bad?
  21. Yeah in a closed case, right? Not open and...

    Yeah in a closed case, right? Not open and exposed to light, I presume.
  22. I'd cover those EPROMS asap. Might be REALLY...

    I'd cover those EPROMS asap. Might be REALLY hard to replace.
  23. Tracked down some identical 1000/A/SX/TX/TL/etc case screws

    Found a source for what appear to be the identical (albeit unpainted) Tandy 1000 and TL-style case screws.

    I've found a decent enamel and primer that gives a great match to the original style...
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    I had one of these, I totally forgot about it...

    I had one of these, I totally forgot about it until now. It was my step up from the single-game LCD tiger handhelds, before finally getting a real Gameboy...

    this thing was TERRIBLE.
  25. That's the RGB digital output, right? I'm trying...

    That's the RGB digital output, right? I'm trying to figure out if this composite display is showing something similar to what I'd see on a real tube display, with the color bleed effects and whatnot.
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