Acer TravelMate 4050 manual 855GHE/ICH4-M, Uma, 14.0, TD141TGCD2, Tft

System Board Major Chips

Item	Controller
System core logic	855GHE/ICH4-M
Super I/O controller	LPC47N217
Audio controller	ALC250
Video controller	UMA
Hard disk drive controller	ICH4-M
Keyboard controller	KB910

Keyboard

Item	Specification
Keyboard controller	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/Sanyo
		4-cell of 18650 Li-ion battery pack, (2200mAh cell)
		8-cell of 18650 Li-ion battery pack, (2200mAh cell)
Battery Type		Li-ion
Pack capacity		31Wh / 63Wh
Cell voltage		3.7V/cell
Number of battery cell		8
Package voltag		14.8V
LCD : 14.0” /15.0”
Item			Specification
14.0”
Vendor & model name	Toppoly		AU	CMO N141XB-L01
	TD141TGCD2		B141XG10	N141XB-L01
Mechanical Specifications
LCD display area	14.1”		14.1”	14.1””
(diagonal, inch)
Display technology	TFT		TFT	TFT
Resolution	XGA (1024* 768)		XGA (1024* 768)	XGA (1024* 768)
Supports colors	262K		262K	262K
Dot Pitch	0.093 x 0.279 mm		0.279mm	N/A
Optical Specification
Contrast ratio	300:1		300:1	450:1
Response time (msec)	N/A		25ms	35ms
Limuinance, white, 5P	150		185	160
(cd/m2)
Viewing Angle	L/R:40o/40o, U/D:15o/35o		L/R:45o/45o, U/D:15o/35o	L/R:45o/45o, U/D:15o/35o

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