2GB (1GBx2) Team High Performance Memory RAM Upgrade For HP - Compaq Presario R4000 V1000 V2000 X1000 Series Laptop. The Memory Kit comes with Life Time Warranty. at Amazon.com
User manual HP Compaq Presario R4000 (English - 221 pages)
Touchpad with Left & Right Clicking Button TM61PUZG390, TM61PUZG390-2 Compaq Presario R4000 Series Touchpad / Track Point / Track Ball. PcHub.com - Laptop parts , Laptop spares , Server parts & Automation
Memory Installation Guide for Compaq R4000 & HP zv6000
Cover For Memory Board APKW706Y000 Compaq Presario R4000 Series Memory Board Cover. PcHub.com - Laptop parts , Laptop spares , Server parts & Automation