17EnglishSpecificationsOperatingsystem • Genuine Windows ® XP Home Edition (Service Pack 2)• Genuine Windows ® XP Professional (Service Pack 2)Platform • Intel ® Centrino® Duo mobile technology, featuring:• Intel ® Core ™ Duo processor T2300/T2400/T2500/T2600 (2 MB L2 cache, 1.66/1.83/2/2.16 GHz,667 MHz FSB)• Intel ® 945GM/PM Express chipset• Intel ® PRO/Wireless 3945ABG networkconnection (dual-band tri-mode 802.11a/b/g)Wi-Fi CERTIFIED ™ solution, supportingAcer SignalUp ™ wireless technologySystem memory 256/512 MB or 1 GB of DDR2 533/677 MHz memory,upgradeable to 2 GB using two soDIMM modules(dual-channel support)Display andgraphics• 15.4" WXGA TFT LCD, 1280 x 800 pixel resolution,supporting simultaneous multi-window viewing ondual displays via Acer GridVista ™• 15" XGA color TFT LCD, 1024 x 768 pixel resolution• 16.7 million colors• Intel ® 945GM integrated 3D graphics, featuringIntel ® Graphics Media Accelerator 950, up to 128 MBof shared memory, supporting Microsoft® DirectX ®9.0 and dual independent displays• Intel ® 945PM with ATI Mobility ™ Radeon® X1300/X1400, 128 MB of external GDDR2 VRAM, supportingATI PowerPlay ™ 5.0, Microsoft ® DirectX ® 9.0,PCI Express ® and DualView ™• Simultaneous LCD and CRT display, with LCD panelrefresh rate at 70 Hz• Up to 2048 x 1536 resolution via non-interlacedCRT display• MPEG-2/DVD hardware-assisted capability• S-video/TV-out (NTSC/PAL) support(for TravelMate 4270/4670 Series)• DVI-D (true digital video interface) support(for TravelMate 4270/4670 Series)