Schematic Lenovo ThinkPad X13 Gen 2 LCFC HT4B1 HX3B0 NM-D361 Rev 0.3 Schematic

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Lenovo ThinkPad X13 Gen 2 LCFC HT4B1 HX3B0 NM-D361 Rev 0.3 Schematic




Technical Specifications

ParameterValue
BrandLenovo
ModelT14s Gen2
Motherboard ManufacturerLCFC
Project CodeHT4B1(Tiger) / HX3B0 (Serval)
Revision0.1
DateFriday, December 18, 2020
CPU PlatformIntel Tiger Lake U
EC / KBCMEC1503H-L1-I-SZ-TR
EC/KBC PackageWQFN56_7X7
EC/KBC ProgrammableYes
Audio CodecALC3287-CG_MQFN48
BIOS / SPI FlashW25Q80DVUXIE
BIOS Flash Exact ModelW25Q80DVUXIE
BIOS Flash Capacity8MB
EC Flash / ROMW25R256JVEIQ
Charging ICBQ4179MWV-E2_WQFN56_7X7
Charger ArchitectureBattery Charger
RAM TypeLPDDR4X
RAM ArchitectureLPDDR4X SUBMD
Card Reader ICRTS5232S-GR
LAN ICI219LM SLKJ2 A0 QFN
WiFi / WLAN ICTyphoon Peak -2
HDMI Level ShifterPS8409A
TPMST33HTPH2X32A
dGPU to UMA Conversion SupportNo

Technical Summary

The Lenovo T14s Gen2 motherboard, manufactured by LCFC under project codes HT4B1 (Tiger) and HX3B0 (Serval), is built on the Intel Tiger Lake U platform with a revision of 0.1 dated December 18, 2020. The system utilizes an MEC1503H-L1-I-SZ-TR embedded controller in a WQFN56_7X7 package, which is programmable via SPI. The BIOS SPI flash is an 8MB W25Q80DVUXIE, while the EC flash is a W25R256JVEIQ. Audio is handled by an ALC3287-CG codec in an MQFN48 package. The charging architecture employs a BQ4179MWV-E2 battery charger IC. Memory is LPDDR4X with a SUBMD architecture. The board features an I219LM SLKJ2 A0 QFN LAN IC, a Typhoon Peak -2 WLAN module, a PS8409A HDMI re-timer, an RTS5232S-GR media card controller, and an ST33HTPH2X32A discrete TPM 2.0 module. No dGPU is present, and no dGPU to UMA conversion is supported.

Technician FAQ

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

A: The BIOS SPI flash is a W25Q80DVUXIE with 8MB capacity.

Q: Is the EC/KBC programmable on this motherboard?

A: Yes, the MEC1503H-L1-I-SZ-TR embedded controller in a WQFN56_7X7 package is programmable via SPI.

Q: What is the charging IC and architecture on this motherboard?

A: The charging IC is a BQ4179MWV-E2 in a WQFN56_7X7 package, configured as a battery charger.

Q: Does this motherboard support dGPU to UMA conversion?

A: No, this motherboard does not have a dGPU and does not support dGPU to UMA conversion.

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

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  • Lenovo ThinkPad X13 Gen 2 LCFC HT4B1 HX3B0 NM-D361 Rev 0.3 Schematic.pdf
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