HP 578232-001 - System board (motherboard) - UMA architecture, GL40 chipset, 56KBps modem, and HDM Retail
HP 499167-001 - System board (motherboard) - UMA architecture, Intel mobile GM45 chipset, with modem and HDMI port Retail
HP 499168-001 - System board (motherboard) - UMA architecture, Intel mobile GM45 chipset, with modem and HDMI port Retail
HP 513754-001 - System board (motherboard) - UMA architecture with the Intel GM45 chipset and HDMI port Retail
HP 493130-001 - System board (motherboard) - UMA architecture, GM45 Express Chipset - With HDMI port, modem, and media card reader Retail