Acer AC4B SM50 KB.I140A.015 사용자 설명서

Chapter 1

21

LAN

•

BCM5764ML for GIGA LAN 

WLAN

Audio Codec

•

REALTEK IC ALC889X-GR for High Definition Audio Codec 
with Dolby Digital Live

Keyboard

•

ENE KB926 for Keyboard Controller, Battery management 
Unit

Card Reader

•

JMB380 card reader

Keyboard controller

KB926

Total number of keypads

86-/87-/91-key keyboard

Windows logo key

Yes

Internal & external keyboard work 
simultaneously

Yes

Vendor & model name

Sanyo, Sony, Panasonic, 
Samsung, Simplo

Sanyo, Sony, Simplo

Battery Type

Li-ion

Li-ion

Pack capacity 

4400 mAh

4800 mAh

Number of battery cell

6

8

Package configuration

3S2

4S2P

Vendor/model name

AUO B156XW02

CMO N156B3-L02

Screen Diagonal (mm)

394.9

394.9

Display resolution (pixels)

1366 x 3 (RGB) x 768

1366 x R.G.B. x 768

Pixel Pitch

0.255 x 0.255

0.252 (H) x 0.252 (V)

Pixel Arrangement

R.G.B. Vertical Stripe

RGB vertical stripe

Display Mode

Normally White

Normally white

Typical White Luminance (cd/m

2

) 

also called Brightness

220 typ. (5 points average)

187 min. (5 points average)

220 typ. (5 points average)

200 min. (5 points average)

Luminance Uniformity

1.25 max. (5 points)

TBD

Contrast Ratio

400 typ

500 typ.

Response Time (Optical Rise 
Time/Fall Time) msec

8 typ / 15 Max

7 typ / 12 Max

Nominal Input Voltage VDD

+3.3 typ.

+3.3 typ.

Typical Viewing Angle (degree)

Horizontal (Right): 45

CR = 10 (Left): 45

Vertical (Upper): 15

CR = 10 (Lower): 35

Horizontal (Right): 45

CR = 10 (Left): 45

Vertical (Upper): 20

CR = 10 (Lower): 45