Acer TravelMate 7520 Service Guide for TravelMate 7520, 7520G, 7220, Extensa 7 - Page 46

System Board Major Chips Item VGA LAN USB 2.0 Super I/O controller MODEM Bluetooth Wireless 802.11 b+g PCMCIA/ 5 in 1 Card Reader Audio Codec 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 ATI M66/M74/M76 MXM Realtek 8100SBL/CL Intel ICH8M N/A ALC 883 Built-in ATI SB460 Built-in ATI SB460 ENE CB714/1410 Realtek ALC883 Specification NS PC97541V 105-/106-key Yes Plug USB keyboard to the USB port directly: Yes Specification Panasonic (6cell) 2.0 Sanyo (6cell) 2.0 SMP (6cell) 2.0 Panasonic (8cell) 2.4 Sanyo (8cell) 2.4 SMP (8cell) 2.4 Li-ion 4000 mAH Panasonic (6cell) 2.0 4000 mAH Sanyo (6cell) 2.0 4000 mAH SMP (6cell) 2.0 4800 mAH Panasonic (8cell) 2.4 4800 mAH Sanyo (8cell) 2.4 4800 mAH SMP (8cell) 2.4 6/8 3 cells in series, 2 series in parallel 4 cells in series, 2 series in parallel 11.1V 19.0 v 36 Chapter 1