SunOS 4.1.4, sun4m arch and memory

2007-12-25 9:22:00

Looks like it's one of those inexplicable things.. got only a couple

responces -- one person said that Sun reserves a portion of memory for

PROM.

no other sun OS does this -- loaded solaris on the same machine with

accurate reporting.

Our SBUS card turned out to be burnt...

Ya Got Me,

Harry

Harry Ford wrote:

>

> this is strange, but I'm sure there's a simple explanation:

>

> running SunOS 4.1.4 on a Sparc 5/sun4m architecture, we have four 32 meg

> chips in the machine (128M). The OS detects about 3-400K LESS memory

> than it should. When I boot the same machine in Solaris 2.6 off a

> cdrom, the OS recognizes all 128megs.

>

> We even tried it with only one chip in there.

>

> and we even tried it on two different machines with the same

> architecture.

>

> we're trying to figure out if memory problems are at the root of a

> problem we're having with installing an SBUS serial expander. (see

> previous message :)

>

> what's going on?

>

> I'd greatly appreciate any help. and will, of course, summarize.

>

> -Harry

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