Memory Information
	RAM Speed On Board RAM Supported sizes in MB Maximum RAM Virtual Memory On Board VRAM Number of VRAM slots	70ns 4mb 4, 6, 8, 10, 12, 16, 20 24MB 1GB None None

Notes

The PowerBook Duo 210/230 has 4MB soldered on board and has one expansion slot.

32-BIT Information

This system has 32-bit-clean ROMs allowing it to take advantage of more than 8MB of physical RAM under System 7 by enabling 32 bit addressing in the Memory Control Panel.