On Wed, 11 Aug 2010, Chris Morley wrote:
> Date: Wed, 11 Aug 2010 06:13:37 +0000
> From: Chris Morley <[email protected]>
> Reply-To: EMC developers <[email protected]>
> To: EMC DEV <[email protected]>
> Subject: [Emc-developers] mesa 3x20 / 7i68 problem
>
>
> This ones for Peter I think:
>
> I am finally getting to trying out the 3x20 / 7i68.
> I plugged it in to the computer and applied power to it
> 5 volts at 375 ma if thats important :)
>
> the red warning led for 3volt regulation comes on and the board is not found.
> the power and done LEDs light up on the 7i68 and the fgpa done LED is on on
> the 3x20 .
>
> Any suggestions I'm thinking the 3 volt regulation LED is not a good thing..
> :(
>
> Thanks Chrss M
>
A couple of things:
1. the first 7I68s have the red power fail LED returned to 5V
in and it will glow dimly in normal operation (but very bright with power
fail) so this _may_ not be serious.
2. The 3X20, 5I71 or 6I71, PCIE cable, and 7I68 5V power must all be connected
before you turn on the PC (or the 3X20 will not be found by BIOS PCI
enumeration)
If its truely bad, all send you another
Peter Wallace
Mesa Electronics
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