VAXstation/MicroVAX 2000 CPU/FPU overheating?

[Allison]

>
>Subject: Re: VAXstation/MicroVAX 2000 CPU/FPU overheating?
>   From: Patrick Finnegan <pat at computer-refuge.org>
>   Date: Sat, 01 Mar 2008 22:02:35 -0500
>     To: "General Discussion: On-Topic and Off-Topic Posts" <cctalk at classiccmp.org>
>
>On Saturday 01 March 2008 21:11, Dave Dunfield wrote:
>> The extended system tests 101, 102 and 80000106 will not test the FPU
>> - this may be normal, I don't know. The docs say they will test all
>> hardware which is installed - this may mean that the FPU is not being
>> full detected... I don't know.
>
>Is the FPU socketed?  If so, can you remove it, and what the boot and 
>test output looks like?

It's soldered down and not removeable with out the right tools for 
handling high lead count surface mount.

Me I'd pull a old MVII cpu card and do the remove and replace of the FPU
and CPU.  MicroVAXIIs with good cpus and FPU and bad Qbus interfaces are
not uncommon.

Allison


>I've not had my uV2000 opened up (or even turned on yet...), but that'd 
>be my next step.
>
>If you can't remove the FPU (likely), the diagnostics would probably be 
>complaining about it not working...
>
>Maybe if I have some time, I'll dig mine out and try playing with it.
>
>Pat
>-- 
>Purdue University ITAP/RCAC       --- http://www.rcac.purdue.edu/
>The Computer Refuge               --- http://computer-refuge.org