22English SpecificationsOperatingsystem • Genuine Windows ® XP Home Edition (Service Pack 2)• Genuine Windows ® XP Media Center Edition 2005• Genuine Windows ® XP Professional (Service Pack 2)• Genuine Windows ® XP Professional x64 EditionPlatform • Intel ® Centrino ® Duo mobile technology, featuring:• Intel® Core ™ Duo processor T2300/T2400/T2500/T2600/T2700 (2 MB L2 cache, 1.66/1.83/2/2.16/2.33 GHz, 667 MHz FSB)• Intel ® Core ™ 2 Duo processor T5500/T5600 (2 MBL2 cache, 1.66/1.83 GHz, 667 MHz FSB),supporting Intel ® Extended Memory 64Technology (Intel® EM64T)• Intel® Core ™ 2 Duo processor T7200/T7400/T7600(4MB L2 cache, 2/2.16/2.33 GHz, 667 MHz FSB),supporting Intel ® Extended Memory 64Technology (Intel® EM64T)• Mobile Intel ® 945PM Express chipset• Intel® PRO/Wireless 3945ABG networkconnection (dual-band tri-mode 802.11a/b/g)Wi-Fi CERTIFIED ™ solution, supportingAcer SignalUp ™ wireless technologySystem memory Up to 2 GB of DDR2 667 MHz memory, upgradeable to 4GB using two soDIMM modules (dual-channel support)