[comp.sys.mac.system] Lost RAM

cs012095@cs.brown.edu (Will Lauer) (05/17/91)

I have just installed system seven and have noticed a 300K difference between the
total amount of RAM (4 meg) and the sum of the memory taken up by the system and all runing applications and the largest available block counter.  This happens even when I start up holding down the shift key to prevent INITs from loading.  I'm running on a IIci.  I've checked a friends ci and he has the same problem, but I've also checked with someone running on an fx upgrade and someone running on a SE/30, and neither of them have the problem.  When I switched back to 6.0.5, the problem disappeared, but I





 would rather run 7.0.  Anyone have ideas about whats going on?  Is anyone else on a ci having a problem?

				Will Lauer
				cs012095@cs.brown.edu
				st101326@brownvm.brown.edu

jackb@MDI.COM (Jack Brindle) (05/17/91)

In article <75985@brunix.UUCP> cs012095@cs.brown.edu (Will Lauer) writes:
>I have just installed system seven and have noticed a 300K difference between the
>total amount of RAM (4 meg) and the sum of the memory taken up by the system and all runing applications and the largest available block counter.  This happens even when I start up holding down the shift key to prevent INITs from loading.  I'm running on 
>a IIci.  I've checked a friends ci and he has the same problem, but I've also checked with someone running on an fx upgrade and someone running on a SE/30, and neither of them have the problem.  When I switched back to 6.0.5, the problem disappeared,
>

Let's see. On board video is 8 bits per pixel, 640 x 480. That's about
307200 bytes. The fx doesn't have on-board video and the SE/30 has seperate
video ram. System 6.0.5 seems to count memory differently, maybe they
include video ram in the system count.

The biggest thing I noticed about system 7 (B4 actually) is that the system
uses a tremendous amount of memory. With file sharing on, and just a few
inits (ok, one was ATM), I generally had a 2.5 Meg system usage as indicated
by the "About Finder" box. Hope it's smaller on the final release...
You also might note that File Sharing uses about 300K. I believe its
allocation is lumped into system usage, but the process manager reports it
as a seperate process.

Jack Brindle
ham radio: wa4fib/7