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Type: Posts; User: hornbetw

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  1. Replies
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    Can't you just make an 8 pin DIN to 5 pin DIN...

    Can't you just make an 8 pin DIN to 5 pin DIN adapter to use a 1000 keyboard on a 2000? The 1000 keyboard has a signal BUSY* (BUSY NOT) that should be able to be left unconnected, the other signals...
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    Torfinn, I did stumble across both of these in...

    Torfinn,

    I did stumble across both of these in my searching. I've been able to send data from the keyboard, but I can't seem to get the terminal to display what is sent to it. I'll have to take...
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    Wyse WY-55ES keyboard needed

    Does anyone in the Philly area have a keyboard for the Wyse WY-55ES serial terminal I could borrow? I need to test a terminal I just acquired.

    Thanks,
    Tom
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    105

    Avaya 715-BCS serial terminal

    I recently acquired an Avaya 715-BCS Serial Terminal that was used as a console on an Avaya (Lucent/AT&T) phone switch. I was wondering if anyone knows where I could download a service manual or...
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    283

    The Model I had a 12 key numpad (0-9, period &...

    The Model I had a 12 key numpad (0-9, period & Enter keys) that Radio Shack offered. Radio Shack never offered a hexadecimal keypad as an option. Any external keypads would have been home made or...
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    3,615

    That's just a bypass cap on the +5V line. It...

    That's just a bypass cap on the +5V line. It should be replaced. I doubt that it would cause a non-booting condition, but it might cause read errors on the floppies or reboot problems or "general...
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    Gold - 5%, Silver - 10%, None - 20% HTH, Tom

    Gold - 5%, Silver - 10%, None - 20%

    HTH,
    Tom
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    That sounds more like the Video cable: Red - +5V,...

    That sounds more like the Video cable: Red - +5V, Black - Ground and Grey - Video. Does the UK monitor have a detachable power cord?

    Tom
  9. The buildings where the mainframes were worked...

    The buildings where the mainframes were worked on, at that site were emptied out a few years ago, so I doubt that any docs are still floating around. :)

    Tom
  10. Strange coincidence, I was just out last night...

    Strange coincidence, I was just out last night with a friend of mine who works in that building for Unisys. Unisys is closing that building next month. :( RIP Burroughs!

    Tom
  11. Replies
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    They are called DIP Shunts. TE Connectivity (Amp)...

    They are called DIP Shunts. TE Connectivity (Amp) is one source. A 16 pin shunt (8 positions) is part # 1825190-7. Sorry, can't figure out how to attach the datasheet for them.

    HTH,
    Tom
  12. Replies
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    538

    Sounds like bit 5 (32) in video memory is stuck...

    Sounds like bit 5 (32) in video memory is stuck High. Instead of displaying 0x41 (A), your displaying 0x61 (a), etc.

    Tom
  13. The DS1225AD is listed as a current production...

    The DS1225AD is listed as a current production replacement for DS1225Y. Digikey has them in stock.

    Tom
  14. Thread: Model 1400 LT

    by hornbetw
    Replies
    2
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    530

    Here's the 1400 LT Service Manual if it helps....

    Here's the 1400 LT Service Manual if it helps. ftp://ftp.oldskool.org/pub/tvdog/tandy1000/documents/14ltserv.zip

    Tom
  15. Replies
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    Enable OA was the standard office software for...

    Enable OA was the standard office software for the Marine Corps in the late '80s and early '90s for the "Green" (ground) side of the Corps, the "Blue" (aviation) side used the Navy standard software...
  16. Replies
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    Is the small pcb the XRX mod? What makes it...

    Is the small pcb the XRX mod? What makes it different than any other rev?

    Tom
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    1,588

    What is the 26-1008? Tom

    What is the 26-1008?

    Tom
  18. This monitor is a Sony broadcast video monitor....

    This monitor is a Sony broadcast video monitor. It isn't a television set, it doesn't appear to have a tuner. The connector is to connect a VTR/VCR up to it. Videotek is a company from Pottstown PA...
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    J22 & J23 are probably for 25 pin serial ports. ...

    J22 & J23 are probably for 25 pin serial ports.

    Tom
  20. Replies
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    I thought IDE drives don't get Low Level...

    I thought IDE drives don't get Low Level Formatted. You skip the BIOS format and just FDISK and Format them in DOS.

    Tom
  21. Replies
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    The NEC 780C-1 is the 4 MHz (Z80A) version of the...

    The NEC 780C-1 is the 4 MHz (Z80A) version of the Z80.

    Tom
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    I have a pair of Tandon 848-01 Mod IIs if you're...

    I have a pair of Tandon 848-01 Mod IIs if you're interested. I rescued them from a former coworker. He said they were installed new and used about 6 months back in the early '80s. They haven't been...
  23. Replies
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    The modesty panel with the fan is on backwards. ...

    The modesty panel with the fan is on backwards. The fan is supposed to be behind the disk drives.

    Tom
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    Any chance you could post that font? Tom

    Any chance you could post that font?

    Tom
  25. Replies
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    Digikey & Mouser both have TE (Alcoswitch) 8...

    Digikey & Mouser both have TE (Alcoswitch) 8 position (16 pin DIP) shunts, P/N: 1825190-7. Digikey is a few cents cheaper. The datasheet says 4,6,7,8,10 & 12 position parts are still active.

    HTH,...
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