Schematic acer aspire e1-422 e1-522 4931a wistron amd kabini ea eg-40 50 rev sa schematic

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acer aspire e1-422 e1-522 4931a wistron amd kabini ea eg-40 50 rev sa 1

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Technical Specifications

Parameter	Value
Brand	Wistron Corporation
Model	EAEG50 KB UMA
Motherboard Manufacturer	Wistron Corporation
Project Code	91.4YU01.001 (EG50-KB), 91.4ZK01.001 (EG50-KB), 91.4ZF01.001 (EA40-KB)
Board Number	12253-SA (EA50-KB), 12247-SA (EA40-KB)
Revision	A4 (Cover Page), A3 (Block Diagram, CPU_PCIE)
Date	Wednesday, October 24, 2012 (Cover Page), Friday, February 01, 2013 (Block Diagram), Monday, February 04, 2013 (CPU_PCIE)
CPU Platform	AMD KABINI FT3
CPU Model	71.KABIN.B0U (Kabini 4110 1.5GHz 15W 4C FT3 ES2 BGA), 71.KABIN.C0U (Kabini 5110 2.0GHz 25W 4C FT3 ES2 BGA)
GPU Type	AMD GPU SUN XT M2/64bit
Graphics Architecture	DX11 IGP, Sun XT ATI
EC / KBC	ITE 8587
Audio Codec	ALC3225, LC3225 Codec
BIOS / SPI Flash	8MB (Share ROM)
Charging IC	BQ24737
Charger Architecture	18V 5.5A
Power IC(s)	SY8208 (48, 51), RT82070, TPS51225, RT82074, ISL6267, RT8068, TPS51728
RAM Type	DDR3L
RAM Architecture	Single Channel
RAM Quantity / Slots	ODD (1 slot)
Card Reader IC	GL9755 (SD I/F)
LAN IC	Giga LAN (AZALIA)
WiFi / WLAN IC	QCA8175 WLAN + BT
HDMI Level Shifter	TXFMR (RJ45)

Technical Summary

This Wistron EAEG50 KB UMA motherboard is built on the AMD KABINI FT3 platform, supporting Kabini 4110 1.5GHz 15W and 5110 2.0GHz 25W CPUs. The graphics subsystem features an AMD GPU SUN XT M2/64bit with DX11 IGP capability. The system uses an ITE 8587 EC/KBC and an ALC3225 audio codec. BIOS storage is provided by an 8MB shared SPI ROM. Power management is handled by a BQ24737 charger IC with 18V 5.5A architecture, alongside multiple DC/DC converters including SY8208, RT82070, TPS51225, RT82074, ISL6267, RT8068, and TPS51728. Memory configuration is single-channel DDR3L with one ODD slot. Connectivity includes a QCA8175 WLAN + BT module, Giga LAN, and a GL9755 SD card interface. The board is identified by project codes 91.4YU01.001 and 91.4ZK01.001 for EG50-KB, and 91.4ZF01.001 for EA40-KB, with PCB numbers 12253-SA and 12247-SA respectively.

Technician FAQ

Q: What EC/KBC is used on this motherboard?

A: The ITE 8587 EC/KBC is used.

Q: What is the BIOS flash configuration?

A: The BIOS uses an 8MB shared SPI ROM.

Indexed motherboard components

Open a component to see every indexed schematic that uses the same part.

91.4YU01.001 Project Code 91.4ZF01.001 Project Code 91.4ZK01.001 Project Code EA40-KB Project Code EG50-KB Project Code 12253-SA (EA50-KB), 12247-SA (EA40-KB) Board Number Kabini CPU Platform 71.KABIN.B0U (Kabini 4110 1.5GHz 15W 4C FT3 ES2 BGA) CPU Model 71.KABIN.C0U (Kabini 5110 2.0GHz 25W 4C FT3 ES2 BGA) CPU Model 64bit Graphics Model GPU SUN XT M2 Graphics Model DX11 IGP, Sun XT ATI Graphics Model 8587 EC / KBC ALC3225 Audio Codec LC3225 CODEC Audio Codec BQ24737 Charging / PD IC ISL6267 Power IC RT8068 Power IC RT82070 Power IC RT82074 Power IC SY8208 (48 Power IC TPS51225 Power IC TPS51728 Power IC DDR3L RAM Type GL9755 Card Reader IC QCA8175 WLAN + BT WiFi / WLAN