Re: Dilog DQ153 question

From: Charles H. Dickman (chd_1_at_nktelco.net)
Date: 10/30/03

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    Robert DiRosario wrote:
    > How do I configure a Dilog DQ153 Qbus Pertec controller?
    >
    > Megan Gentry's Qbus and Unibus field guide reports it has a LSI-11 and
    > VAX config program in ROM. How do I start it? Is it at some fixed
    > address or does it depend on the jumpers?
    >
    > It's in a MicroVAX 3 system. With only the CPU and memory boards
    > installed the "show qbus" command produces:
    >
    > -10001F40 (777500) = 0020 (004) IPCR
    >
    > What is that? Is it the serial port on the CPU board?
    >

    InterProcessor Communications Register

    ftp://sunsite.unc.edu/pub/academic/computer-science/history/pdp-11/hardware/micronotes/numerical/micronote26.txt

    > Thanks
    > Robert

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