iPAQ Pocket PC H3800 Series Reference Guide 855Expanding Functionality with Expansion PacksIf you would like to increase the storage and connectivity of your Compaq iPAQ Pocket PCH3800 Series, use the optional• Single-slot or Dual-slot PC Card Expansion Pack• CompactFlash Card Expansion PackFor more information go to http://www.compaq.com or see the Accessories Informationbrochure.Also, if you would like to increase the memory of your Compaq iPAQ Pocket PC withoutpurchasing an expansion pack, install an optional Secure Digital (SD) card into the SDmemory slot.Use the Single-slot or Dual-slot PC Card Expansion PackUse the optional Single-slot or Dual-slot PC Card Expansion Pack to• create dial-up and wireless connections with optional cards• expand memory with optional cards• attach options• hold two Type II cards or one Type III card (Dual-slot PC Card Expansion Pack only)CAUTION: You cannot install CompactFlash (CF) cards into the Single-slot or Dual-slot PC CardExpansion Pack unless you have a PC adapter. Otherwise, install CompactFlash cards only into the CFCard Expansion Pack.