Acer TravelMate 4230 TravelMate 2490 - 4230 - 4280 Service Guide - Page 9

T WWAN: UMTS WCDMA (3G) at 2100 MHz and GPRS/EDGE at three bands (900/1800/1900 MHz), upgradeable to HSDPA 1.8 Mbps (for selected models) T WLAN: t Intel® PRO/Wireless 3945ABG network connection (dual-band tri-mode 802.11a/b/g) Wi-Fi CERTIFIEDTM solution, supporting Acer SignalUpTM wireless technology (for Aspire 5680/5630 Series) t Acer InviLinkTM 802.11b/g Wi-Fi CERTIFIEDTM solution, supporting Acer SignalUpTM wireless technology (for Aspire 3690 Series) T Modem: 56K ITU V.92 modem with PTT approval; wake-on ring ready T LAN: 10/100 Mbps Fast or 10/100/1000 Mbps gigabit Ethernet (for selected models); wake-onLAN ready T WPAN: integrated Bluetooth® 2.0+EDR Power subsystem T ACPI 2.0 power management standard: supports Standby and Hibernation power-saving modes T 71W 4800 mAh Li-ion battery pack (8-cell) or 44W 4000mAh Li-ion battery pack (6-cell) T 2-hour rapid charge; 2.5-hour charge-in-use T 3-pin 90 W AC adapter I/O Ports T T T T T T T T T T T T T T T T T T ExpressCardTM /34 slot (for selected models) PC Card slot (one Type II) 5-in-1 card reader (SD/MMC/MS/MS PRO/xD) Four USB 2.0 ports DVI-D port (for selected models) IEEE 1394 port (for selected models) Consumer infrared (CIR) port (for selected models) Fast infrared (FIR) port (for selected models) External display (VGA) port AV-in port (for selected models) S-video/TV-out (NTSC/PAL) port (for selected models) S-video-in (NTSC/PAL) port (for selected models) Headphones/speaker/line-out jack with S/PDIF support (for selected models) Microphone jack Line-in jack Ethernet (RJ-45) port Modem (RJ-11) port DC-in jack for AC adaptor Environment T Temperature: toperating: 5 ° C to 35 ° C tNon-operating: -20 ° C to 65 ° C T Humidity (non-condensing): toperating: 20%~80% tNon-operating: 20%~80% Chapter 1 3