Lynn’s PC Motherboard
Dear  [Lynn],
Your motherboard has 4 PCI slots. There’s a picture of it at
http://www.gateway.com/support/techdocs/references/motherboard/4r4cb0xa/4r4cb0xa.shtml
The PCI slots are the white things in the upper left quadrant of the square motherboard.
I couldn’t wait until after work [to look this up].
Tom