Schematic Lenovo Thinkpad X13-T14s Gen 1 Intel GT4A3-GX3A2 NM-C891 Rev 1.0 Schematic

Salim Badakhshan

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Lenovo Thinkpad X13-T14s Gen 1 Intel GT4A3-GX3A2 NM-C891 Rev 1.0 Schematic




Technical Specifications

ParameterValue
BrandLC Future Center
Project CodeJazz2/Sideswipe2
RevisionVER 1.0
DateAug/8/2019
CPU PlatformT14S/X13
Charger ArchitectureBQ25700A
Audio CodecALC3287
EC / KBCMEC1663
RAM TypeDDR4
RAM ArchitectureSUB CHANNEL-A, SUB CHANNEL-B, SUB CHANNEL-C, SUB CHANNEL-D
LAN ICGBE JACKSONVILLE
Card Reader ICMEDIA CARD CONTROLLER
HDMI Level ShifterDDI DEMUX/HDMI LEVEL SHIFTE
USB Hub ICUSB PD CONTROLLER
WiFi / WLAN ICCNVI
Power IC(s)NB690, NB693, TPS51393, BU90104, MP2949AGQKT, MP86901C, MP86901, MP86901A, NB687
Charging ICBQ25700A
Thermal SensorAPS G-SENSOR
TPMDISCRETE TPM 2.0

Technical Summary

This LC Future Center schematic, revision VER 1.0 dated Aug/8/2019, documents the Jazz2/Sideswipe2 project for the T14S/X13 platform. The motherboard utilizes a DDR4 memory architecture with four sub-channels (A, B, C, D). The embedded controller is a MEC1663, and the audio subsystem is built around an ALC3287 codec. Power management includes a BQ25700A battery charger and a comprehensive set of DC/DC converters and load switches, including the NB690, NB693, TPS51393, BU90104, MP2949AGQKT, MP86901C, MP86901, MP86901A, and NB687. The system integrates a GBE JACKSONVILLE LAN controller, a MEDIA CARD CONTROLLER, a DDI DEMUX/HDMI LEVEL SHIFTE, a USB PD CONTROLLER, and a CNVI interface for wireless connectivity. Security is handled by a discrete TPM 2.0 module, and an APS G-SENSOR is present for thermal management.

Technician FAQ

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

A: The embedded controller is a MEC1663.

Q: What is the charging IC and architecture?

A: The battery charger IC is a BQ25700A.

Q: What audio codec is present?

A: The audio codec is an ALC3287.

Q: What is the memory architecture?

A: The motherboard uses DDR4 memory configured across four sub-channels: SUB CHANNEL-A, SUB CHANNEL-B, SUB CHANNEL-C, and SUB CHANNEL-D.

Q: What is the project code and platform?

A: The project code is Jazz2/Sideswipe2, and the platform is T14S/X13.

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

Attachments

  • Lenovo Thinkpad X13-T14s Gen 1 Intel GT4A3-GX3A2 NM-C891 Rev 1.0 Schematic.pdf
    2.5 MB · Views: 38
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