Asus Eee PC 4G Service Overview page 53

2.6 KEYBOARD CONTROLLER
Function features:
Vendor:
Parts Number:
Package:
2.7 AUDIO CODEC
Vendor:
Parts Number:
Package:
2.8 AUDIO AMPLIFIER
Function features:
Vendor:
Parts Number:
Package:
Embedded controller-style host
Support hardware speed-up of GateA20 and RC
Local 18x8 keyboard switch matrix support
Three industry standard serial keyboard interfaces
All three ports are bi-directional
ENE
KB3310
128-pin LQFP
Realtek
ALC662
48-pin LQFP
Max 1.5w Stereo Audio Amplifier with 8 ohm load
Depop Circuitry
Fully Differential Input
TI
TPA6017A2
20pin TSSOP
5-11
Hardware Technical Specification