Acer V5-531 Wistron Petra UMA MB 11324-1 48.4vm02.011 Schematic
Technical Specifications
Technical Summary
The Wistron Petra Uma-1 motherboard (Project Code 91.4VM01.001, Board Number 48.4VM02.001, Revision -1) is an Ivy Bridge platform design dated February 22, 2012. It utilizes a Sandy Bridge PCH HM70/77 Panther Point southbridge and features UMA graphics architecture. The system is powered by a BQ24727 charger IC and multiple DC/DC converters including ISL95836HRTZ, RT8207LGQW, RT9025-25ZSP, G978, TPS51218DSCR, and RT8223MGQW. Memory configuration consists of two DDRIII slots supporting 1600/1333 MHz. The embedded controller is an NPCE885P, and the audio codec is an ALC271X. The BIOS is stored on an 8MB SPI Flash ROM. Additional onboard ICs include an NCT7718W thermal sensor, an RTL8411 card reader and LAN controller, and HDMI level shifting support.
Technician FAQ
Q: What is the BIOS flash configuration on this motherboard?
A: The BIOS is stored on an 8MB SPI Flash ROM.
Q: What EC/KBC is used on this motherboard?
A: The embedded controller is an NPCE885P.
Q: What is the charging IC on this motherboard?
A: The charging IC is a BQ24727.
Q: What is the memory architecture on this motherboard?
A: The motherboard supports DDRIII memory at 1600/1333 MHz across two slots (Slot 0 and Slot 1).
Technical data structured and organized by Dr-Bios.com, based on original schematic source analysis.
Technical Specifications
| Parameter | Value |
|---|---|
| Brand | Wistron Corporation |
| Model | Petra Uma-1 |
| Motherboard Manufacturer | Wistron Corporation |
| Project Code | 91.4VM01.001 |
| Board Number | 48.4VM02.001 |
| Revision | -1 |
| Date | Wednesday, February 22, 2012 |
| CPU Platform | Ivy Bridge |
| PCH / Southbridge | Sandy Bridge PCH: HM70/77 Panther Point |
| GPU Type | UMA |
| EC / KBC | NPCE885P |
| Audio Codec | ALC271X |
| BIOS / SPI Flash | SPI Flash ROM 8MB |
| Charging IC | BQ24727 |
| Power IC(s) | ISL95836HRTZ, RT8207LGQW, RT9025-25ZSP, G978, TPS51218DSCR, RT8223MGQW |
| RAM Type | DDRIII |
| RAM Architecture | DDRIII 1600/1333, DDRIII 1333/1600 Channel A |
| RAM Quantity / Slots | Slot 0, Slot 1 |
| Thermal Sensor | NCT7718W |
| Card Reader IC | RTL8411 |
| LAN IC | RTL8411 |
| WiFi / WLAN IC | 802.11a/b/g |
| HDMI Level Shifter | HDMI |
Technical Summary
The Wistron Petra Uma-1 motherboard (Project Code 91.4VM01.001, Board Number 48.4VM02.001, Revision -1) is an Ivy Bridge platform design dated February 22, 2012. It utilizes a Sandy Bridge PCH HM70/77 Panther Point southbridge and features UMA graphics architecture. The system is powered by a BQ24727 charger IC and multiple DC/DC converters including ISL95836HRTZ, RT8207LGQW, RT9025-25ZSP, G978, TPS51218DSCR, and RT8223MGQW. Memory configuration consists of two DDRIII slots supporting 1600/1333 MHz. The embedded controller is an NPCE885P, and the audio codec is an ALC271X. The BIOS is stored on an 8MB SPI Flash ROM. Additional onboard ICs include an NCT7718W thermal sensor, an RTL8411 card reader and LAN controller, and HDMI level shifting support.
Technician FAQ
Q: What is the BIOS flash configuration on this motherboard?
A: The BIOS is stored on an 8MB SPI Flash ROM.
Q: What EC/KBC is used on this motherboard?
A: The embedded controller is an NPCE885P.
Q: What is the charging IC on this motherboard?
A: The charging IC is a BQ24727.
Q: What is the memory architecture on this motherboard?
A: The motherboard supports DDRIII memory at 1600/1333 MHz across two slots (Slot 0 and Slot 1).
Technical data structured and organized by Dr-Bios.com, based on original schematic source analysis.
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