found more info via belarc

Board: Gigabyte Technology Co., Ltd. 8KNXP 1.x
Bus Clock: 200 megahertz
BIOS: Award Software International, Inc. FE 12/25/2003

mem modules

1024 Megabytes Installed Memory

Slot 'A0' has 512 MB
Slot 'A1' is Empty
Slot 'A2' has 512 MB
Slot 'A3' is Empty

so 2 slots LOST