Re: Intel 875 Motherboard cant use 4GB of Memory.

[Jurriaan]

From: Valdis.Kletnieks@xxxxxx <Valdis.Kletnieks@xxxxxx>
Date: Tue, Jun 01, 2004 at 04:10:56PM -0400
> There's 3 basic directions you can go:  (1) find a way to disambiguate the
> memory addresses so shadowing isn't a problem (probably not an option), (2a)
> find a way to relocate the reserved stuff above the 4G address line (probably
> need BIOS assistance for this), or (2b) find a way to relocate a gig and a half
> or so of memory above the 4G linem or (3) Move to an architecture that isn't
> constrained by 32-bit addresses...
> 
Option 4: move to another i875 motherboard. This is an Epox 4PCA3+,
which at least with 3 Gb has no problems:

Linux version 2.6.7-rc2 (jurriaan@middle) (gcc version 3.3.3 (Debian 20040422)) #2 SMP Mon May 31 10:25:04 CEST 2004
BIOS-provided physical RAM map:
 BIOS-e820: 0000000000000000 - 000000000009dc00 (usable)
 BIOS-e820: 000000000009dc00 - 00000000000a0000 (reserved)
 BIOS-e820: 00000000000f0000 - 0000000000100000 (reserved)
 BIOS-e820: 0000000000100000 - 00000000bfff0000 (usable)
 BIOS-e820: 00000000bfff0000 - 00000000bfff3000 (ACPI NVS)
 BIOS-e820: 00000000bfff3000 - 00000000c0000000 (ACPI data)
 BIOS-e820: 00000000fec00000 - 0000000100000000 (reserved)
2175MB HIGHMEM available.
896MB LOWMEM available.
found SMP MP-table at 000f5900
On node 0 totalpages: 786416
  DMA zone: 4096 pages, LIFO batch:1
  Normal zone: 225280 pages, LIFO batch:16
  HighMem zone: 557040 pages, LIFO batch:16
DMI 2.2 present.
Kernel command line: root=/dev/md3 video=radeonfb:1600x1200-32@85 softrepeat=1
Memory: 3113796k/3145664k available (3494k kernel code, 30720k reserved, 1460k data, 504k init, 2228160k highmem)

Good luck,
Jurriaan
-- 
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