Date: Wed, 01 Nov 2006 08:48:05 -0500 From: Chuck Swiger <cswiger@mac.com> To: Greg Black <freebsd@mail.gbch.net> Cc: freebsd-stable@freebsd.org Subject: Re: 6.x from i386 to amd64 Message-ID: <4548A595.4040703@mac.com> In-Reply-To: <nospam-1162347119.76314@iliad.gbch.net> References: <45475298.5090709@inoc.net> <nospam-1162325643.69866@iliad.gbch.net> <20061031153134.0f587f84.wmoran@collaborativefusion.com> <nospam-1162327947.70923@iliad.gbch.net> <20061031215648.GA1884@soaustin.net> <nospam-1162337728.73223@iliad.gbch.net> <4547FF75.4050102@inoc.net> <nospam-1162347119.76314@iliad.gbch.net>
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Greg Black wrote: [ ... ] > Dunno about PAE on i386 (and don't much care). As it happens, > my amd64 box is hardly higher end, but it has slots for 4GB and > its doco claims that it can run with 4GB. However, to my great > displeasure, I discovered after setting it up that both its BIOS > and any OS I install see weird and obviously wrong amounts of > memory if I install 4GB. The exact bad size varies, depending > on various BIOS options, but ranges from 3.3GB up to 5.3GB (with > various intermediate values, none of which is the correct 4GB). > Updating the BIOS made no difference. It's common for BIOSes to move the RAM occupying the same address space as the PCI range reserved for hardware above 4 GB; depending on the size of your AGP aperature (if present). -- -Chuck
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