[comp.sys.mac.hardware] 8 vs 9 chip SIMMs

rvirta@utu.fi (Risto Virtanen) (02/08/91)

We have used 9 chip SIMMs for Mac upgrades - because they are cheaper- and have
not found any complications. So I ask: should I expect any?
As I understand Mac just ignores the 9th chip.
Any comments from technically qualified people as I am not. I have upgraded
dozens of Mac pluses though...
Toughest part is disconnecting the cables from the logic board but I used a
long screwdriver as a lever.

I have also heard conflicting advice about checking the voltage: how much and
from which pin?