HY57V56820BT-H

512MB PC133 double sided unregistered SIMM. 16x IC's on board. Will boot into OS4, but curiously looks like only first half of memory is useable, as memtester fails on the second half or upper 256MB of memory. Refuses to boot in Linux, it ends up

Manufacturer
Hynix
Linux Compatibility
Doesn't Work
OS4 Compatibility
It works