Dell Latitude D830 laptop CPU WiFi and RAM upgrade guide - YouTube
Dell Latitude D820 Motherboard Replacement - iFixit Repair Guide
How to Upgrade Ram - Dell Latitude D830 - YouTube
Dell Latitude D820 Motherboard Replacement - iFixit Repair Guide
Dell Latitude D620 laptop - How to add RAM - How to replace the keyboard - YouTube
CMS 4GB (2X2GB) DDR2 6400 800MHZ Non ECC SODIMM Memory Ram Upgrade Compatible with Dell® Latitude D820, D830 Notebook - A39 at Amazon.com
How to upgrade memory on Dell Latitude D830 – Inside my laptop
OFFTEK 2GB Replacement Memory RAM Upgrade for Dell Latitude D820 (DDR2-5300) Laptop Memory: Amazon.co.uk: Computers & Accessories
Amazon.com: Dell Latitude D820 15.4" Laptop Reinstallation XP Professional Disk (Intel Duo Core 1.83Ghz, 80GB Hard Drive, 2048Mb RAM, DVD/CDRW Drive, WiFi, XP Professional) : Electronics