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Amiga computer related discussion => Amiga Software Issues and Discussion => Topic started by: orange on May 16, 2006, 07:31:22 PM

Title: KS and RAM
Post by: orange on May 16, 2006, 07:31:22 PM

Is it possible that KS 3.1 takes automatically 300Kb of RAM??
I have two floppies in an A2000 (1Mb CHIP, KS3.1)and 9Gb SCSI HDD. (no extra RAM or CPU)
If I disable EVERYTHING but df0: and boot without startup-sequence, I get about 700Kb free and 1Mb total RAM

If I enable everything, I get about 90Kb free (out of 1Mb)!!..



BTW, PFS3 is used, two partitions (dh0=1Gb second, dh1=7Gb) buffers=30 for both.

if dh1 is disabled I get about 500Kb free

Title: Re: KS and RAM
Post by: amigagr on May 16, 2006, 07:38:37 PM

some kb gone to screen, how much of them depends on the screen resolution and the number of colors. at least on my 1200 when i boot without the blizz and with a plain workbench disk i get about 1,95 mb free. from the other hand, my a3000 eats a lot of ram whatever i try to close/don't run... :crazy:

Title: Re: KS and RAM
Post by: motrucker on May 16, 2006, 08:28:58 PM

AS you're finding out, everything in there eats RAM; the hard drive(s), floppy(s) and the display just to start.....

Title: Re: KS and RAM
Post by: Wayne on May 16, 2006, 08:39:21 PM

some points

pfs3 is the faster amiga filesystem but obsolete if you use only 30 buffers......300 buffers minimum recomended on each partition,
but more buffers eats memory
also PFS3 is obsolete cause low speed if you have only chip memmory

so make only 1 partition on your hd otherwise you are wasting memory

also try SFS instead cause eats less memory than PFS3
better try FFS instead cause eats less memory than SFS
also reduce color and resolution of workbench
also disable DF1

ks 3.1 must takes 512k of your memory



bye, Laser

Title: Re: KS and RAM
Post by: Doppie1200 on May 16, 2006, 09:34:20 PM

Quote

Laser wrote:

ks 3.1 must takes 512k of your memory

Little misunderstanding here.

I beleive the correct description would be:

KS 3.1 can take 512k of your memory if you relocate it to fastram.
Then it would take 512k of fastram since the ROM is 512k large. Since the machine in question has only got chipram it remains in rom and is not debet to the free memory pool.
It used to be a mayor advantage having an OS in ROM that takes no RAM ;-)

Title: Re: KS and RAM
Post by: orange on May 16, 2006, 09:36:03 PM

but sfs requires '020+  :-(
ffs on 9Gb disk?
ks3.1 is on ROM, not softkicked

guess I'll have to use only small part of HDD for now

Title: Re: KS and RAM
Post by: amigagr on May 16, 2006, 09:54:58 PM

nsd patch (http://os.amigaworld.de/download.php?id=31) for patch scsi.device to 64 bit.
td64 (http://siliconsonic.de/t/bin/ffstd64.lha) ffs patch to support more than 4gb disks

Title: Re: KS and RAM
Post by: Wayne on May 17, 2006, 06:31:53 AM

orange,

you can use FFS 45.13 (OS3.9 bb2)is the last version it support any size of partition

ok

and for make it to work you need the command idefix resident from idefix97 package which have own and better scsi.device and will support large partitions
That is the best option

but also you can use nsdpatch like amije said

dunno wich option will eat less memory...make the experiment






bye, Laser