Salim Badakhshan
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Lenovo Flex 5-14ALC05 LC56-14A 203021-1 Schematic
Technical Specifications
Technical Summary
The Wistron LC56-14A (Project Code 4PD0MD010001, Revision A3, dated December 02, 2020) is an AMD Renoir APU-based motherboard featuring memory-down DDR4 architecture with four DDR4 MD components per channel (Channel A and Channel B). The system is powered by a BQ25700ARSNR battery charger/selector and multiple DC/DC converters including RT3663BMGQW, RT8231CGQW, APL5934KAI-TR, RT5797ALGQW, RT8231AGQW, TPS51395PRJER, and TPS51393PRJER. The embedded controller is a Nuvoton NPCE386, and the audio codec is a Realtek ALC3287. The BIOS is stored on a 16MB Quad Read SPI flash ROM. Connectivity is managed by a Realtek RTS5457 USB controller and a Realtek card reader controller, with HDMI redriving handled by PS8319B redrivers. The board supports NGFF WLAN and includes a 25W BGA-1140 pin AMD APU.
Technician FAQ
Q: What is the board number and project code for this motherboard?
A: The board number is LC56-14A, and the project code is 4PD0MD010001.
Q: What EC/KBC is used on this motherboard?
A: The embedded controller is a Nuvoton NPCE386.
Q: What is the BIOS flash configuration?
A: The BIOS is stored on a 16MB Quad Read SPI flash ROM.
Q: What is the memory architecture?
A: The memory architecture is DDR4 memory down (SDP/DDP) with four DDR4 MD components per channel (Channel A and Channel B).
Q: What charging IC is used?
A: The charging IC is a BQ25700ARSNR.
Technical data structured and organized by Dr-Bios.com, based on original schematic source analysis.
Technical Specifications
| Parameter | Value |
|---|---|
| Brand | Wistron Corporation |
| Project Code | 4PD0MD010001 |
| Board Number | LC56-14A |
| Revision | A3 |
| Date | Wednesday, December 02, 2020 |
| CPU Platform | AMD APU Renoir |
| EC / KBC | Nuvoton NPCE386 |
| Audio Codec | Realtek ALC3287 |
| BIOS / SPI Flash | Flash ROM 16MB Quad Read |
| Charging IC | BQ25700ARSNR |
| Power IC(s) | RT3663BMGQW, RT8231CGQW, APL5934KAI-TR, RT5797ALGQW, RT8231AGQW, TPS51395PRJER, TPS51393PRJER |
| RAM Type | DDR4 |
| RAM Architecture | Memory down (SDP / DDP) |
| RAM Quantity / Slots | MD x4 pcs (Channel A), MD x4 pcs (Channel B) |
| Card Reader IC | Realtek CardReader controller |
| USB Hub IC | Realtek RTS5457 |
| LAN IC | Realtek RTS5457 |
| WiFi / WLAN IC | NGFF WLAN |
| HDMI Level Shifter | PS8319B |
Technical Summary
The Wistron LC56-14A (Project Code 4PD0MD010001, Revision A3, dated December 02, 2020) is an AMD Renoir APU-based motherboard featuring memory-down DDR4 architecture with four DDR4 MD components per channel (Channel A and Channel B). The system is powered by a BQ25700ARSNR battery charger/selector and multiple DC/DC converters including RT3663BMGQW, RT8231CGQW, APL5934KAI-TR, RT5797ALGQW, RT8231AGQW, TPS51395PRJER, and TPS51393PRJER. The embedded controller is a Nuvoton NPCE386, and the audio codec is a Realtek ALC3287. The BIOS is stored on a 16MB Quad Read SPI flash ROM. Connectivity is managed by a Realtek RTS5457 USB controller and a Realtek card reader controller, with HDMI redriving handled by PS8319B redrivers. The board supports NGFF WLAN and includes a 25W BGA-1140 pin AMD APU.
Technician FAQ
Q: What is the board number and project code for this motherboard?
A: The board number is LC56-14A, and the project code is 4PD0MD010001.
Q: What EC/KBC is used on this motherboard?
A: The embedded controller is a Nuvoton NPCE386.
Q: What is the BIOS flash configuration?
A: The BIOS is stored on a 16MB Quad Read SPI flash ROM.
Q: What is the memory architecture?
A: The memory architecture is DDR4 memory down (SDP/DDP) with four DDR4 MD components per channel (Channel A and Channel B).
Q: What charging IC is used?
A: The charging IC is a BQ25700ARSNR.
Technical data structured and organized by Dr-Bios.com, based on original schematic source analysis.
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