Rob Jarratt robert.jarratt at ntlworld.com
Tue Jun 22 15:08:54 CDT 2010

I have a MicroVAX 3400. It uses quite a lot of power compared to my other
MicroVAXen (about 180-200W). It has an M9060 Load Module installed and I
understand that this is needed to give the power supplies enough load to
work correctly. However, if I have enough stuff already in the machine then
it would seem that this module is just sucking up power needlessly. How much
stuff do you need in the machine to make the M9060 redundant? At the moment
I have a KA640 CPU and a KA655 CPU, two 16MB memory boards a DESQA and the
TK70 controller. I do not yet have any DSSI disks for it, nor do I have a
KFQSA, but the KA640 has DSSI built in.

Incidentally, anyone know why this machine has two PSUs if they are not (as
I have read somewhere) redundant?



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