Subject: Re: Personal DECstation 5000/20 fault codes?
To: Robert F Schaefer <>
From: Ken Wellsch <>
List: port-pmax
Date: 09/01/2001 21:18:14
If you can, take a look at:

starting at page 9-10, the power LED diagnostics are discussed.

-- Ken

Robert F Schaefer wrote:
> Does anyone know what two flashes of the power light indicates on a /20?
>  I just got one, but it doesn't seem to boot.  I can't get anything on a
> VT220 plugged in to the serial port, with or without a keyboard plugged
> in, with or without the PMAGB-B installed, and with or without a
> null-modem adapter.  I did notice what looks to me like a burned trace
> on the back of the framebuffer.  :(  It's so small that I really can't
> tell for sure, but I suspect I have a defective powersupply and a hosed
> motherboard.  :( :(
> Bob