Trying to get my RLV11 working

John Wilson wilson at
Wed Oct 28 15:46:20 CDT 2015

On Wed, Oct 28, 2015 at 03:40:46PM -0500, Ben Sinclair wrote:
>Well I just figured out something important...The switch numbers on my
>board backwards! I was going over the docs again, and noticed that MSB
>and LSB in their board diagram were on the wrong sides, compared to
>the switch numbers referenced on the next page. I'm not sure if that's
>just the way it is, or maybe someone replaced my switches at some
>point. After changing my switches I can now read 774400, which gives
>me 144201.
>The VRLAC0 diagnostic now goes further, but it thinks something is
>wrong. Now of course I have no idea what it thinks is wrong here!

Bit 11 of the CSR seems to be stuck on.  That's the "bad CRC" (or write
check error) bit ... definitely shouldn't be on after a bus init.
Maybe look at some other registers to see if that bit's on everywhere
(possibly bad bus xcvr if so), otherwise some other insanity?

John Wilson
D Bit

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