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    DECStation 5000/120 PSU (H7286-AA) troubleshooting info?

    Hi folks, I'm trying to resurrect a DECStation 5000/120 that I got in an unknown state. For starters, it won't turn on. The fuses are good, and the capacitors in the input section of the power supply look good on visual inspection (no signs of smoke/burns, bulging etc). There is one bulged...
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    Dilog SQ706 firmware anyone?

    I'm trying to locate an EPROM image for a SQ706 Q-Bus SCSI MSCP controller. Per the advice here, I tried to contact Dilog, but have gotten no response to my email. Not sure if they're still around... All help appreciated.
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    BA23 front panel switch replacement?

    Hi folks, I have a BA23 with a non-functioning reset button. Any idea of a form-factor replacement may be available? FWIW, it's the 6 button variety.
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    SCSI2SD v5.1 in a MicroVAX 3100-95

    Hi, I am trying to get a MicroVAX 3100-95 to use a SCSI2SD v5.1. Everything seems to work (I can boot VMS 7.3 from the card, copy from one device on the card to the other etc), except the SCSI power up self-test (test E0) fails. The diagnostics manual is of no help, really. FWIW, I have a...
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