Acer TravelMate 2490 TravelMate 2490 - 4230 - 4280 Service Guide - Page 47

System Board Major Chips Item VGA LAN USB 2.0 Super I/O controller MODEM Bluetooth Wireless 802.11 b+g PCMCIA HD Audio Keyboard Item Keyboard controller Total number of keypads Windows logo key Internal & external keyboard work simultaneously Battery Item Vendor & model name Battery Type Pack capacity Number of battery cell Package configuration Normal voltage Charge voltage Controller Built in Intel®945GM for UMA models NVIDIA® GeForceTM Go 7300 (72MV) for discrete models ENE BCM4401E Built in ICH7-M SMsC LPC47N207 Built-in ICH7-M Built-in ICH7-M Built-in ICH7-M ENE CB714 Realtek ALC883 Specification ENE KB 910Q 88-/89-key Yes Plug USB keyboard to the USB port directly: Yes Specification Sanyo (6cell) 2.0 Sony (6cell) 2.0 Panasonic (6cell) 2.0 Snayo (6cell) 2.4 Sony (6cell) 2.4 Panasonic (6cell)2.4 Sanyo (9cell) 2.4 Li-ion 4000 mAH forSanyo (6cell) 2.0 3920 mAH Sony (6cell) 2.0 3900 mAH Panasonic (6cell) 2.0 4800 mAH Snayo (6cell) 2.4 4800 mAH Sony (6cell) 2.4 4800 mAH Panasonic (6cell)2.4 Sanyo (9cell) 2.4 6/9 3 cells in series, 2 series in parallel 3 cells in series, 3 series in parallel 14.8V 16.8+-0.2v Chapter 1 41