Maximum allowed 2 GB (2 x 1 GB)
Speed supported PC2-4200 MB/sec
Type 240 pin, DDR2 SDRAM
Info:
http://h10025.www1.hp.com/ewfrf/wc/...:1&lc=en&dlc=en&cc=us&product=3339275&lang=en
Wait for confirmation from other members
This is the ram...
http://www.newegg.com/Product/Product.aspx?Item=N82E16820145527