Determining what kind of RAM to buy

It's important to know what type of RAM you can use in your machine and how much it will support.

Panasonic Toughbook CF-29

Units will max at 1.25GB or 1.5GB, depending on whether the built-in RAM chip is 256MB or a 512MB.

Model Type of RAM
CF-29C/D PC2100 DDR
CF-29E/F PC2100 DDR
CF-29H/J PC2100 DDR
CF-29L/M PC3200 DDR2
CF-29N/P PC3200 DDR2

Panasonic Toughbook CF-30

Units will support up to 3GB of RAM

Model Type of RAM
CF-30C/D PC4200 DDR2
CF-30F/G PC4200 DDR2
CF-30K/L/P/Q PC5300 DDR2 

Panasonic Toughbook CF-19

Units will support up to 3GB of RAM

Model Type of RAM
CF-19C/D/E PC4200 DDR2
CF-19F/G/H PC4200 DDR2