HP 443809-001 - Base enclosure (bottom chassis) assembly - For full featured (FF) models with 15.4-inch display - Includes rubber feet Retail
HP 516297-001 - Base enclosure (bottom chassis) assembly - For defeatured (DF) 35W models - Includes rubber feet Retail
HP 393564-001 - Base enclosure (chassis bottom) - For Full-Featured (FF) models - Does not include the speaker assembly Retail
