[ltp] The mystery of missing RAM

Bernard Tremblay linux-thinkpad@linux-thinkpad.org
Mon, 17 Mar 2008 21:19:17 -0700 (PDT)


David,=0A=0ADid you check in the BIOS setup if your hole 4Gb was seen.  It =
should be totally seen by the BIOS. May be there is other stuff that sit on=
 your motherboard (sound card, network card, modem, IBM stuff ?...)  and th=
is use some memory from the main board.=0A=0AYou should see in your BIOS se=
tup if your can disable what you don't need or limit the amount of memory i=
t uses.=0A=0AGood luck,=0A=0A    BT=0A=0A=0A=0A=0AOn Mon, 17 Mar 2008 19:31=
:44 -0400, "David A. Desrosiers"=0A<desrod@gnu-designs.com> said:=0A> Today=
 I received the RAM upgrades for my two new Thinkpads (T61p/X61s).=0A> I po=
pped the RAM into both (the T61p was significantly harder and=0A> required =
disassembling the keyboard bezel). =0A> =0A> The problem is that the T61p o=
nly recognizes 3,033M or 3,043M of RAM,=0A> even when I force 4096M in the =
grub configuration. =0A> =0A> Windows XP on the X61s, as expected, only see=
s 2.99M of the 4GB total=0A> RAM amount. =0A> =0A> The T61p has a discrete =
(non-integrated) graphics adapter, so the RAM=0A> isn't being stolen as fak=
e "video RAM". =0A> =0A> Where is 1,063M or 1,053M of my new RAM going? I c=
ould certainly use=0A> it. =0A> =0A> =0A> -- =0A> David A. Desrosiers=0A> d=
esrod@gnu-designs.com=0A> Skype...: 860-967-3820=0A> =0A> -- =0A> The linux=
-thinkpad mailing list home page is at:=0A> http://mailman.linux-thinkpad.o=
rg/mailman/listinfo/linux-thinkpad=0A=0A=0A=0A=0A      ____________________=
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