Schematic acer aspire v5-531 v5-571 wistron petra uma schematic

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acer aspire v5-531 v5-571 wistron petra uma

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Technical Specifications

Parameter	Value
Brand	Wistron
Model	Petra Uma-1
Motherboard Manufacturer	Wistron Corporation
Project Code	91.4VM01.001
Board Number	11324
Revision	-1
Date	Wednesday, February 22, 2012
Document Number	A31103
CPU Platform	Ivy Bridge
PCH / Southbridge	Intel PCH (Panther Point HM70/77)
GPU Type	UMA
Graphics Architecture	Intel CPU 17W/GT2
EC / KBC	NPCE885P28
Audio Codec	ALC271X
BIOS / SPI Flash	SPI Flash ROM 8MB
BIOS Flash Capacity	8MB
Charging IC	BQ24727
Charger Architecture	BQ24727 INPUTS DCBATOUT
Power IC(s)	RT8223MGQW, ISL95836HRTZ, TPS51218DSCR, RT8207LGQW, RT9025-25ZSP, G978
RAM Type	DDRIII
RAM Architecture	DDRIII 1600/1333, DDRIII 1333/1600
RAM Quantity / Slots	2
LAN IC	RTL8411
WiFi / WLAN IC	802.11a/b/g
Card Reader IC	RTL8411
USB Hub IC	RTL8411
Thermal Sensor	NCT7718W
PCB Number	48.4VM02.011

Technical Summary

The Wistron Petra Uma-1 motherboard (Project Code 91.4VM01.001, Board Number 11324, Revision -1) is an Intel Ivy Bridge UMA platform paired with an Intel Panther Point PCH (HM70/77). The system memory architecture consists of two DDRIII SO-DIMM slots supporting DDRIII 1600/1333 and DDRIII 1333/1600. The embedded controller is an NPCE885P28, and the audio codec is an ALC271X. The SPI flash ROM is an 8MB device. Power management is handled by a BQ24727 charger IC with DCBATOUT input architecture, alongside multiple system DC/DC converters including ISL95836HRTZ, TPS51218DSCR, RT8207LGQW, RT9025-25ZSP, and G978. The LAN, card reader, and USB hub functions are integrated into an RTL8411 controller. Thermal monitoring is provided by an NCT7718W sensor. The PCB number is 48.4VM02.011.

Technician FAQ

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

A: The embedded controller is an NPCE885P28.

Q: What is the BIOS flash capacity on this motherboard?

A: The SPI flash ROM is 8MB.

Q: What is the charging IC and architecture on this motherboard?

A: The charging IC is a BQ24727 with DCBATOUT input architecture.

Q: What is the graphics configuration of this motherboard?

A: This is a UMA-only configuration with Intel CPU 17W/GT2 graphics.

Technical data structured and organized by Dr-Bios.com, based on original schematic source analysis.

Indexed motherboard components

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91.4VM01.001 Project Code 11324 Board Number IVY BRIDGE CPU Platform PCH (PANTHER POINT HM70/77) PCH / Southbridge UMA Graphics Intel CPU 17W/GT2 Graphics NPCE885P28 EC / KBC ALC271X Audio Codec BQ24727 Charging / PD IC G978 Power IC ISL95836HRTZ Power IC RT8207LGQW Power IC RT8223MGQW Power IC RT9025-25ZSP Power IC TPS51218DSCR Power IC DDRIII RAM Type RTL8411 LAN Controller 802.11A/B/G WiFi / WLAN RTL8411 Card Reader IC RTL8411 USB Controller NCT7718W Thermal / Fan Control