On Fri, 14 May 1999, Matthew Jacob wrote:
> (this with what's in 2.2.9....)
>
> What was it that people said about a "CACHE INCORRECTLY CONFIGURED"
> message? I'm using a perfectly fine CSC NCR53c825 in an Alpha PC164- the
> ncr53c8xx works, but sym53c8xx won't.
And it won't forever. :)
(Assuming that this controller is based on a SYM/NCR53C825)
The sym53c8xx driver requires support of LOAD/STORE SCRIPTS instructions
and the 825 does not implement these instructions. You need at least a
825A for these instructions to have been implemented in the Symbios
Silicium.
In fact, it is a buglet in the sym53c8xx driver that makes it detect the
825 (not A) as a supported chip. By luck, this buglet is harmless, since
the driver detects some problem later and skip the controller. The problem
is fixed since driver version 1.3f, but the fix hasn't been send to kernel
maintainer yet.
Here is the compatibility list:
On board
Chip SDMS BIOS Wide SCSI std. Max. sync ncr53c8xx sym53c8xx
---- --------- ---- --------- ---------- --------- ---------
810 N N FAST10 10 MB/s Y N
810A N N FAST10 10 MB/s Y Y
815 Y N FAST10 10 MB/s Y N
825 Y Y FAST10 20 MB/s Y N
825A Y Y FAST10 20 MB/s Y Y
860 N N FAST20 20 MB/s Y Y
875 Y Y FAST20 40 MB/s Y Y
876 Y Y FAST20 40 MB/s Y Y
895 Y Y FAST40 80 MB/s Y Y
895A Y Y FAST40 80 MB/s Y Y
896 Y Y FAST40 80 MB/s Y Y
Regards,
G�rard.
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