Looking for DEC M7264-CB Troubleshooting Documentation

Paul Anderson useddec at gmail.com
Fri May 10 02:05:37 CDT 2019


If you are running a BA11-M box (3 1/2 inches tall), make sure the 2 fans
are running up to  speed. They slow as the fans go bad and can cause all
kinds of H780 power supply  and logic problems. When you shut the box the
fans should spin for a few seconds. If they stop within a second, change it.

Paul

On Thu, May 9, 2019 at 6:58 PM Al Kossow via cctalk <cctalk at classiccmp.org>
wrote:

>
>
> On 5/9/19 9:57 AM, Mister PDP via cctalk wrote:
> > I was wondering if any in depth
> > troubleshooting material existed
>
> I'd start with the description in WD1600 chip set docs to see if
> the basic microprocesor is running
>
>
> http://bitsavers.org/pdf/westernDigital/MCP-1600/MCP-1600_Users_Manual_Oct77.pdf
>
>
>


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