Add memory and then have Kernal panics!
First step is remove the new memory, put the old memory back and watch that puppy boot correctly.
When I had memory added to my MacBook Pro, I started having kernal problems (comp. would not boot). When I took it back to company they said I had bad sectors on the old hard drive that caused problem. I replaced hard drive, everything is almost fine except when I want to update software the comp. will find what I need, download files. Normally it would then write the files and do a restart. My comp. never finishes writing the files so my system can be updated. Last time I tried updating my comp. spent 8 hours writing the files and never finished. Has anyone has this problem? By the way the new hard drive was cloned from the old one.

Chowhound
Comic Vine
GameFAQs
GameSpot
Giant Bomb
TechRepublic