Lowering the PCI bus speed

Discussion in 'IBM' started by Johannes Lauesen, Jan 12, 2005.

  1. I have a HP DL380 "G4" i assume it's Generation4
    In this machine I'd like to get my Digium 4 port E1 card up and running.

    I have allready had it running in a Generation3 of the DL380 with no

    In both machines the card is detected as a 66Mhz card, but it's infact a
    33Mhz card.

    Does anyone know how to force the PCI bus speed down to 33Mhz preferably a
    solution for the bios or Linux, but anything that forces the bus down in
    speed is ok even for windows.

    Thanks for your time

    Johannes Lauesen
    jl (a) prowlan ? com
    Johannes Lauesen, Jan 12, 2005
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  2. Johannes Lauesen

    daytripper Guest

    You might try the CMOS Setup Utility to see if there are any CMOS settings
    that force the bus speed.

    Otherwise, if you really want to use The Big Hammer approach, you can put a
    shunt on the Digium edge connector from pin B49 (M66EN) to pin B50 (GND),
    which will force the bus down to 33mhz...

    daytripper, Jan 12, 2005
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