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  • lowen's Avatar
    March 10th, 2019, 08:52 AM
    The fiber connectors look like either SMA905 OR SMA906. I have some 62.5/125 multimode jumpers with SMA905 connectors on them; matches a couple of...
    7 replies | 126 view(s)
  • lowen's Avatar
    February 25th, 2019, 05:56 AM
    I didn't know either one, but both make sense, from Tandy's point of view. The 68000 was just a better chip that Z8000, with a flat and linear 16MB...
    21 replies | 1225 view(s)
  • lowen's Avatar
    February 23rd, 2019, 06:23 PM
    Hmm, Alan, sure if I want absolute max speed on a Z80 I would stack a set of INI instructions back to back, a full sector's worth. There is no...
    155 replies | 12325 view(s)
  • lowen's Avatar
    February 23rd, 2019, 09:08 AM
    In practice programmed I/O is much slower, since most devices need a status read first. According to Rodnay Zaks' "Programming the Z80," a...
    155 replies | 12325 view(s)
  • lowen's Avatar
    February 21st, 2019, 03:04 PM
    Wow, no replies as yet? Well, I have a few questions: 1.) I know Tandy was aiming for a retail price point, thus a cost point; can you describe the...
    21 replies | 1225 view(s)
  • lowen's Avatar
    February 20th, 2019, 04:27 PM
    P112: Z182 with up to 1MB of RAM, floppy controller, serial and parallel. With the right Z182 you can run 33 MHZ or even a bit faster. Has surface...
    26 replies | 1086 view(s)
  • lowen's Avatar
    February 19th, 2019, 12:32 PM
    lowen replied to a thread Wire wrap in Minis and Mainframes
    Yeah, at $dayjob our copper infrastructure is all on double-shielded CALPETH cable (a six-pair version at Anixter is HERE), mostly 22AWG. All...
    59 replies | 2095 view(s)
  • lowen's Avatar
    February 18th, 2019, 01:05 PM
    lowen replied to a thread Mystery S-100 card in S-100
    WD1010-based designs can be this simple. See the TRS-80 Model II/12/16/16B/6000 Type 4 controller photo at...
    11 replies | 514 view(s)
  • lowen's Avatar
    February 18th, 2019, 07:02 AM
    lowen replied to a thread Goodbye Cctech Mailing List in DEC
    The thunderbird setup is pretty easy, and the threaded reading mode works well. I have a filter set up in Thunderbird, where any mail coming in from...
    17 replies | 1172 view(s)
  • lowen's Avatar
    February 17th, 2019, 08:58 AM
    For period correct references, I would recommend Computer Shopper.
    61 replies | 2522 view(s)
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About lowen

Basic Information

About lowen
Location:
Western North Carolina, USA
Interests:
TRS-80, other assorted vintage gear. Tube amps and transmitters. Amateur Radio
Occupation:
CIO, IT department.

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--
Bughlt: Sckmud
Shut her down Scotty, she's sucking mud again!

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