re: <none>

[dvideo@ix.netcom.com (Jerry M. Robinson)]

YVazir@corp.adaptec.com wrote: 
>
>Form: Reply
>Header: Adaptec
>Text: (5 lines follow)
>The System BIOS may be running out of memory space to load the BIOS for the 
>last card.  Try to disable the BIOS on the earlier cards if you can. Have 
>you looked at PCI bus loading?  
>
>


-- Another *silly* problem is the WIDE variation of how motherboards are made.  I 
have a very good dual Pentium Main board, but the LAST (ie, 4th) slot does not 
have DMA capability....  This would also keep your DMA Mastering board inactive 
on the bus.  

It is generally considered that you would want one *golden* board around to test 
such things....   You alsomight email the mainboard maker & see what kind of 
response you get.....

-- Jerry Robinson

>Original text: (26 lines follow)
>>From pci-sig-request@znyx.com, on 4/15/97 12:44 PM:
>We have a customer that is putting 4 of our boards in a PCI system.
>With 3 boards present it boots just fine, but with 4 boards installed it
>doesn't boot.  The disk drive doesn't spin up, the graphics board
>doesn't output a sync, there are no beeps.  About the only thing that
>happens is the fan on the motherboard turns on.  The motherboard is a
>Super Micro and the BIOS is AMI Plug-n-Play version 2.0.
>
>We are working over the phone so it is somewhat clumsy.  We have had
>them try different board combinations and different slots, etc. but the
>problem remains.
>
>One theory that came up was that maybe BIOS is deciding from the PRSNT#
>pins that the boards are demanding too much power and it stops the boot.
> I wasn't aware of any systems that were using the PRSNT# pins to do
>anything with system power requirements.  
>
>Is AMI doing anything like this?
>
>Thanks,
>Jeff Dahlin
>Appian Graphics
>
>jdahlin@appiantech.com
>www.appiantech.com
>
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