Schematic Lenovo Thinkpad L14 HL4A1 HL5A1 NM-D272 Schematic

Vahab Hemmati

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Lenovo Thinkpad L14 HL4A1 HL5A1 NM-D272 Schematic




Technical Specifications

ParameterValue
BrandLC Future Center
Board NumberNM-D272
RevisionVER 1.0
DateOctober.8.2020
Document NumberNM-D272
EC / KBCNPCE68APA0DX
Audio CodecALC3287
Charging ICBQ25700A
Card Reader ICMedia Card Controller
LAN ICGBE Jacksonville
HDMI Level ShifterPS8409A
GPU TypeN18S-G5
RAM TypeDDR4
RAM ArchitectureSub Channel-A / Sub Channel-B
Thermal SensorHL4A1/HL5A1
USB Hub ICPTPS65994AD

Technical Summary

The LC Future Center NM-D272 motherboard, revision VER 1.0 dated October 8, 2020, is engineered around an N18S-G5 discrete GPU architecture with DDR4 memory configured in Sub Channel-A and Sub Channel-B. The system management is handled by an NPCE68APA0DX embedded controller, while audio processing is managed by the ALC3287 codec. Power delivery and battery management are controlled by the BQ25700A charger IC. Display connectivity is supported by the PS8409A HDMI re-timer, and the Thunderbolt PD subsystem is managed by the PTPS65994AD controller. Wired networking is provided by the GBE Jacksonville LAN IC, and media card reading is handled by a dedicated Media Card Controller. Thermal monitoring is performed by the HL4A1/HL5A1 thermal sensor.

Technician FAQ

Q: What EC/KBC is used on the NM-D272 motherboard?

A: The NPCE68APA0DX embedded controller is used.

Q: What audio codec is present on this board?

A: The ALC3287 audio codec is used.

Q: What charging IC is used on the NM-D272?

A: The BQ25700A battery charger IC is used.

Q: What GPU type is used on this motherboard?

A: The N18S-G5 discrete GPU is used.

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

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  • Lenovo Thinkpad L14 HL4A1 HL5A1 NM-D272 Schematic.pdf
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