19EnglishSpecificationsOperatingsystem• Windows Vista ™ Business• Windows Vista ™ Home Premium• Windows Vista ™ Home Basic• Windows Vista ™ Business SP1• Windows Vista ™ Home Premium SP1• Windows Vista ™ Home Basic SP1• Windows Vista ™ Starter Edition• Genuine Windows® XP Professional (Service Pack 2)Platform Intel® Centrino ® Duo mobile processor technology, featuring : (forselected models)• Intel® Core ™2 Duo mobile processor T9300/T9500 (6 MB L2cache, 2.5/2.6 GHz, 800 MHz FSB), or T8100/T8300 (3 MB L2cache, 2.1/2.4 GHz, 800 MHz), supporting Intel ® 64architecture (for selected models)• Intel® Core ™2 Duo Mobile Processor T7300/T7500/T7700/T7800 (4 MB L2 cache, 2/2.2/2.4/2.6 GHz, 800 MHz FSB), orT7100 (2 MB L2 cache, 1.8 GHz, 800 MHz FSB), or higher,supporting Intel® 64 architecture (for selected models)• Intel® Celeron ® processor 530/540/550 (1 MB L2 cache, 1.73/1.86/2 GHz, 533 MHz FSB) or higher, supporting Intel ® 64architecture (for selected models)• Mobile Intel ® PM965/GM965/GL960 Express Chipset (forselected models)• Intel® Wireless WiFi Link 4965AGN (dual-band quad-mode802.11a/b/g/Draft-N) network connection, supporting AcerSignalUp ™ with InviLink ™ Nplify™ wireless technology (forselected models), or• Intel® PRO/Wireless 3945ABG (dual-band tri-mode 802.11a/b/g) Wi-Fi CERTIFIED ® network connection, supporting AcerSignalUp ™ wireless technology (for selected models)System memory Up to 1/ 2 GB of DDR2 533/667 MHz memory, upgradeable to 4 GBusing two soDIMM modules (dual-channel support) (for selectedmodels)