HP Compaq Presario,Presario 1200 Supplementary Manual page 10

Presario 1200
PRESARIO 1255, 60
MEMORY UPGRADE CHART
ADD ANY ONE OF THE FOLLOWING MEMORY BOARDS
32-MB SDRAM OPTION PN 293821-002
64-MB SDRAM OPTION PN 293822-002
128-MB SDRAM OPTION PN 401040-B21
Volume Two 1-107