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  1. The 12v was shorted to ground! I would put a DIP...

    The 12v was shorted to ground! I would put a DIP switch in at Z3 but I can't remember where I put them! Hate getting old.
  2. Model 1 Level II bad video. Also Level 1 no video.

    OK so I have been working on a couple of Model 1's the last few days and am not making much progress. On the level II system I have video but it is just trash. A bunch of lines running
    across the...
  3. I know awaking an old thread here. But the chips...

    I know awaking an old thread here. But the chips should be a 21L02 not a 21L01
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    Regarding the Model 1's I am looking for a 16k...

    Regarding the Model 1's I am looking for a 16k Level without the buffered interface or a din cable coming out the expansion slot area. Bottom might be marked 26-1006a. Also the expansion interface...
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    I 2nd that ! Can't wait to seed what other...

    I 2nd that ! Can't wait to seed what other goodies there are.
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    Was wondering about the TRS-80 stuff do you have...

    Was wondering about the TRS-80 stuff do you have any model 1's with the expansion interface? And or a Model III ?
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    @eudimorphodon Your right about floppy drives. I...

    @eudimorphodon Your right about floppy drives. I remember buying 2 of them back in 1978 for my Model 1. They were a bit cheaper than the RS drives and 40 tracks to boot. I think they were Tandon's...
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    I did notice it too before I posted the picture....

    I did notice it too before I posted the picture. But they worked fine together in my Asus P2B-DS. The VRM defaulted to 1.70 volts. .05 over volt won't kill the other CPU anytime soon.
    And as for...
  9. Yep I had a IIsi once and it did basically the...

    Yep I had a IIsi once and it did basically the same thing. So I recapped it and worked fine after that. I think there are about 8 or 9 caps that need to be replaced
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    Yes Pentium III see Pic. Ok $20.00 PM me for...

    Yes Pentium III see Pic. Ok $20.00 PM me for personal info
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    Ok I have 2 850's socket 370.

    Ok I have 2 850's socket 370.
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    Let me check

    Let me check
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    Cpu's for sale. Some old some new

    Ok have the following CPU's for sale:

    about 3 8088 CPU's one is rated at 10Mhz
    80386 DX 33's x2 1 TI 486DLC-33 386 socket compatible.
    AMD Athlons x 2 64 bit one is socket 939 the other is AM2....
  14. Thread: Ibm 5150

    by Chromedome45
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    783

    Does it beep? DIP switches set correctly? Lot's...

    Does it beep? DIP switches set correctly? Lot's of things could be wrong. Check power supply voltages. Make sure they are good. Just cause power supply fan comes on does not mean the motherboard is...
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    S-1854 It was a typo. Sorry for confusion.

    S-1854 It was a typo. Sorry for confusion.
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    Have also a Tyan 1847 board as well. This is...

    Have also a Tyan 1847 board as well. This is unique in that it has a Slot-1 socket as well as a socket 370. The 370 will only work with Celeron processors. And you can't run both CPU's at the same...
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    T1000 board sold.

    T1000 board sold.
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    Yes but has updated 1.01 Eproms.

    Yes but has updated 1.01 Eproms.
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    Just plain SE-440BX Chuck

    Just plain SE-440BX Chuck
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    Motherboards

    Ok I need to get rid of these listed motherboards. Or mom said I will havr to trash them. Just a couple right now.

    1: Intel Seattle SE-440bx Slot-1 worked last time tested.
    2: Tandy 1000...
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    IBM Hex head screws

    I have a bag of 35 IBM Hex head/Slotted screws that were used it the early 51xx series of IBM PC's PX/XT and PX/AT these are the screws used to hold down expansion
    boards etc. Also have some fine...
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    Seems like it double posted and in wrong section....

    Seems like it double posted and in wrong section. Mods please delete one post and move to for sale section
  23. B & K Precision 60 MHz Dual Trace O'Scope

    Up for sale I have a nice B & K Precision O'scope. It is dual channel and has a nice bright display and is nice and clean. Includes 2 probes. Sorry no manual.
    Asking price is $65.00 plus shipping...
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    Chips and more chips

    Ok so I have a bunch of chips I need to sell off. I have the following in no particular order.

    74LSxx series lots of them varying types.

    8088 CPU's from 4.77 Mhz to 10 MHz

    8237 DMA...
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    Chips and more chips

    Ok so I have a bunch of chips I need to sell off. I have the following in no particular order.

    74LSxx series lots of them varying types.

    8088 CPU's from 4.77 Mhz to 10 MHz

    8237 DMA...
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