>Hi -- this is just a little off from a 2400... but > >i recently installed 16mb and 24mb modules into a pb1400... the memory >modules work well indepentantly of each other.. however, when both are >installed, only the 24mb one registers -- and there is a message at boot >stating that there was a problem with the built-in memory test - contact a >system administrator... weird... > >furthermore, when i boot the machine into linux - it only registers 40mb >(8Mb on mobo, 8Mb on Apple RAM upgrade, 24Mb RAM module, 16Mb RAM module) > >supposedly both modules support stacking... so there should not be a >problem... but... > >anyone have any ideas? > >as always, thanks in advance. > >-Dylan > Remove the apple 8 meg module and see what happens. Mad Dog