Schematic Lenovo Thinkpad T14-T15-P43s-P53s Gen2 NM-D351 Rev 1.0 Schematic

Salimeh Bolboli

Staff member
Admin
Registered

Reputation:

Lenovo Thinkpad T14-T15-P43s-P53s Gen2 NM-D351 Rev 1.0 Schematic




Technical Specifications

ParameterValue
BrandLenovo
ModelT14/T15/P43s/P53s Gen2
Motherboard ManufacturerLCFC
Project CodeHT4B0/HP4B0/HT5B1/HP5B1/HT4B2
Board NumberNM-D351
Revision1.0
DateFriday, December 04, 2020
CPU PlatformIntel Tiger Lake U
GPU TypenVidia N18S-LP QN20-M
EC / KBCMEC1503H-L1-I/3Y-TR BGA
Audio CodecALC3287-CG_MQFN48
BIOS / SPI FlashW25Q80DVUXIET
BIOS Flash Capacity32MB
EC Flash / ROMW25Q80EWSNIGT
Charging ICBQ4179MWV-E2_WQFN56_7X7
Power IC(s)TI TPS65994-AD
RAM TypeDDR4
RAM ArchitectureDDR4 SUB
RAM Quantity / Slots2 SODIMM
Card Reader ICRealtek RTS5232S-GR
LAN ICIntel GbE PHY JACKSONVILLE I219
WiFi / WLAN ICIntel AX201PD2WGQ
HDMI Level ShifterParade-PS8409A

Technical Summary

This Lenovo T14/T15/P43s/P53s Gen2 LCFC NM-D351 Rev 1.0 schematic details an Intel Tiger Lake U platform with DDR4 SUB memory architecture supporting two SODIMM slots. The embedded controller is a MEC1503H-L1-I/3Y-TR BGA, with a dedicated W25Q80EWSNIGT EC flash ROM. The main BIOS SPI flash is a W25Q80DVUXIET with a total capacity of 32MB. Graphics are handled by an nVidia N18S-LP QN20-M dGPU. The charging IC is a BQ4179MWV-E2 in a WQFN56 package, and power delivery is managed by a TI TPS65994-AD controller. Audio is provided by an ALC3287-CG codec in a MQFN48 package. Connectivity includes an Intel GbE PHY Jacksonville I219 LAN IC, an Intel AX201PD2WGQ WiFi/WLAN module, and a Parade-PS8409A HDMI re-timer. The card reader is a Realtek RTS5232S-GR multimedia controller.

Technician FAQ

Q: What BIOS IC model is used on this motherboard?

A: The main BIOS SPI flash is a W25Q80DVUXIET with a total capacity of 32MB.

Q: What EC/KBC chip is used and is it programmable?

A: The embedded controller is a MEC1503H-L1-I/3Y-TR BGA. The schematic shows a dedicated W25Q80EWSNIGT SPI flash for the EC firmware, indicating the EC is programmable via its external flash.

Q: What is the charging IC and power architecture?

A: The charging IC is a BQ4179MWV-E2 in a WQFN56_7X7 package. Power delivery is managed by a TI TPS65994-AD PD controller.

Q: What is the memory configuration?

A: The board uses DDR4 SUB memory architecture with two SODIMM slots supporting up to DDR4 4266MHz.

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

Attachments

  • Lenovo Thinkpad T14-T15-P43s-P53s Gen2 NM-D351 Rev 1.0 Schematic.pdf
    2.8 MB · Views: 40
Last edited by a moderator:
Who is viewing this thread?

There are currently 0 members watching this topic

Top