> From: Bill Sommerfeld <sommerfeld@orchard.arlington.ma.us>
>
> I think I got a bad batch of memory for my PC164.  I'm attempting to
> isolate 4 good simms out of the batch of 8 I bought.  At this point,
> I'm pretty sure 2-3 of the batch of 8 I bought are bad; I just don't
> know which ones yet.
>
> Anyone know how to interpret ECC error messages from SRM?
>
> Processor correctable error through vector 630.
>
> Alpha 21164 CPU IPRs:
> EI_STAT:  FFFFFFF4C5FFFFFF  EI_ADDR: FFFFFF000005E06F
> FILL_SYN: 0000000000002000  ISR:     0000000100000000
>
> Processor detected single bit ECC error in Memory
>
> The "EI_STAT" and "FILL_SYN" are consistent with any given
> configuration of SIMMs but (sometimes) change when I swap them around.
>
> Anyone know where this is documented?  
>
> 					- Bill
>

In the CPU reference manual.  It's available off the NetBSD/alpha home
page. Follow the obvious links until you get to:

	ftp://ftp.netbsd.org/pub/NetBSD/misc/dec-docs/ec-qaeqb-te.ps.gz