🚀 go-pugleaf

On Sat, 17 Apr 1999 23:51:37 +0100, Bruce Pickett
<news@nospam.demon.co.uk> wrote:

[SNIP]
>How rare?

   Difficult to say - but the original porting that started this
thread was a classic statement of the problem. and I have seen this
*many* times.

>Contrary to Tony's experience I'm writing this on a m/c with an Abit PX5
>and single 64MB SDRAM DIMM, 8 chips each marked:
>ACE EC84208-10FN 03 JEM (no logo)

   Hm - I'll have to try and trace those chips to see if there are any
indications of why this works.

>
>This particular board has run for nearly a year with firstly another,
>then this 64MB DIMM. I did have a second PX5 which also ran OK with 64MB
>DIMMs. Indeed the AX5/PX5/TX5 manual lists 2x 64MB or even 2x 128MB
>DIMMs as being valid combinations.

   Most of these books were written assuming a particular line of
development in the DIMM world which didn't in fact happen the way they
expected.

>
>Are there more subtle differences in DIMMs that cause these
>incompatibilities?

    It seems to me that there are *numerous* differences in DIMMs -
and I haven't had the time to get to the bottom of them!  :-(

    Regards,
            Harry.