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  • 3com 3c523 EtherLink MC TP components ID'd

    From Louis Ohland@ohland@charter.net to comp.sys.ibm.ps2.hardware on Tue Jan 30 09:36:37 2024
    From Newsgroup: comp.sys.ibm.ps2.hardware

    http://ps-2.kev009.com/ohland/3com/3c523_EtherLink_MC_TP.html

    This uses the cursed Number-Alpha method, mixed with normal IDs (like
    C221, Y1...)

    My SWAG is the multiple standards / implementations are the reason for
    the mind-blowing range of selections [for an MCA card, that is]
    --- Synchronet 3.20a-Linux NewsLink 1.114
  • From Louis Ohland@ohland@charter.net to comp.sys.ibm.ps2.hardware on Tue Jan 30 09:53:27 2024
    From Newsgroup: comp.sys.ibm.ps2.hardware

    Quad Dual-In-Line Switching Transistor NPN Silicon

    Small signal transistors, FETs, and diodes device data
    --- Synchronet 3.20a-Linux NewsLink 1.114
  • From Louis Ohland@ohland@charter.net to comp.sys.ibm.ps2.hardware on Tue Jan 30 10:03:33 2024
    From Newsgroup: comp.sys.ibm.ps2.hardware

    Seems these were from '96, and they didn't OCR well.

    Quad differential amplifier
    --- Synchronet 3.20a-Linux NewsLink 1.114
  • From Louis Ohland@ohland@charter.net to comp.sys.ibm.ps2.hardware on Tue Jan 30 10:07:24 2024
    From Newsgroup: comp.sys.ibm.ps2.hardware

    GENERAL PURPOSE TRANSISTOR ARRAY
    One deferentially connected pair, three isolated transistor arrays
    --- Synchronet 3.20a-Linux NewsLink 1.114
  • From Louis Ohland@ohland@charter.net to comp.sys.ibm.ps2.hardware on Tue Jan 30 10:10:07 2024
    From Newsgroup: comp.sys.ibm.ps2.hardware

    Triple differential amplifier
    --- Synchronet 3.20a-Linux NewsLink 1.114
  • From Louis Ohland@ohland@charter.net to comp.sys.ibm.ps2.hardware on Tue Jan 30 10:17:21 2024
    From Newsgroup: comp.sys.ibm.ps2.hardware

    https://bitsavers.computerhistory.org/components/motorola/_dataBooks/1994_Motorola_Small-Signal_Transistors_FETs_and_Diodes_Device_Data.pdf

    Louis Ohland wrote:
    Quad Dual-In-Line Switching Transistor NPN Silicon

    Small signal transistors, FETs, and diodes device data
    --- Synchronet 3.20a-Linux NewsLink 1.114
  • From Louis Ohland@ohland@charter.net to comp.sys.ibm.ps2.hardware on Wed Jan 31 07:49:03 2024
    From Newsgroup: comp.sys.ibm.ps2.hardware

    MAX700 Power-Supply Monitor with Reset

    https://www.analog.com/media/en/technical-documentation/data-sheets/max700-max702.pdf
    --- Synchronet 3.20a-Linux NewsLink 1.114
  • From Louis Ohland@ohland@charter.net to comp.sys.ibm.ps2.hardware on Wed Jan 31 10:20:11 2024
    From Newsgroup: comp.sys.ibm.ps2.hardware

    Still don't understand the archaic 10b-T artifacts...

    http://ps-2.kev009.com/ohland/3com/3c523_EtherLink_MC_TP.html
    --- Synchronet 3.20a-Linux NewsLink 1.114
  • From Louis Ohland@ohland@charter.net to comp.sys.ibm.ps2.hardware on Wed Jan 31 11:46:33 2024
    From Newsgroup: comp.sys.ibm.ps2.hardware

    Oohhh... Pulse acquired Valor, or something like that.

    Louis Ohland wrote:
    Still don't understand the archaic 10b-T artifacts...

    http://ps-2.kev009.com/ohland/3com/3c523_EtherLink_MC_TP.html
    --- Synchronet 3.20a-Linux NewsLink 1.114