I'm stumped with this one. Any ideas? Gateway mini-desktop from 2001,
AMI BIOS, Ubuntu 8.04.2 has GRUB in MBR, 384 MB RAM (128+256). When
BIOS has "Quick Boot Enabled" (quick RAM test, etc.), no problem -- can
run any OS from GRUB menu, all tests pass. When "Quick Boot Disabled"
in BIOS (more thorough RAM test and maybe more tests), GRUB menu
appears, but choosing anything produces "Grub Error 28: Selected item
could not fit into memory".
I don't understand why a more thorough test at powerup would let GRUB
load but then cause problems with the following step. What I've tried
so far: memtest86+ v2.xx (no errors found after 11 hours), various
combinations of DIMMs, moved jumper to reset BIOS, all no effect --
problem consistent, repeatable and reproducible. Battery assumed OK,
because it keeps time when power off. Has anyone ever encountered
anything like this? Any guesses? Or should I just leave the BIOS at
"Quick Boot Enabled" and not worry about it? Thanks very much in
advance for any ideas!
BTW there seems to be a bug in Memtest86+ v1.70 (as shipped with Ubuntu
8.04 and 8.04.2) -- less than a minute into the test (time proportional
to amount of RAM), it locks up with keyboard LEDs flashing. As v2.xx
runs uneventfully, I'm assuming that's a Memtest86+ bug and the RAM is OK.
Adam
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