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26 Chapter 1
System Board Major Chips
Item Controller
System core logic Intel 852GM and ICH4-M
Super I/O controller SMC LP47N217
Audio controller Realtek ALC202 Codec
Video controller Intel 852GM
Hard disk drive controller ICH4-M
Keyboard controller ENE KB910
RTC ICH4-M
Keyboard
Item Specification
Keyboard controller ENE KB910
Keyboard vendor & model name Standard keyboard w/o launch button embeded
Total number of keypads 85/US, 86/UK keys with 101/102 key emulation
Windows logo key Yes
Internal & external keyboard work simultaneously Yes
Battery
Item Specification
Vendor & model name Sony/Samsung
Battery Type Li-ion
Pack capacity 31Wh / 63Wh
Cell voltage 3.7V/cell
Number of battery cell 4 / 8
Package configuration Pin 1: BATT+: Battery positive power pin
Pin 2: 6C/8C
Pin 3: B/I: Enable Li-ion battery output, connect to 1k resistor to
GND in system.
Pin 4: TS: connect 10K ohm Thermistor to GND
Pin 5: EC_SMD1: SMbus DATA
Pin 6: EC_SMC1: SMbus CLOCK
Pin 7: GND: battery ground power pin
Package voltag 14.8V
LCD Inverter Specification
This inverter is designed to light up the CCFL of LCD for TravelMate 290E series notebook. It should be
supported the following LCD panels.
No. Supplier Model Type
1 AU B141XN04 TFT, 14.1” XGA
2 CMO N141X6-L01 TFT, 14.1” XGA
3 CPT CLAA141XF01 TFT, 14.1” XGA
4 Toppoly TD141TGCB1 TFT, 14.1” XGA
5 AU B150XG02-V1 TFT 15.0” XGA
Ω
Ω