Schematic Lenovo Thinkpad X13 Gen2 AMD NM-D441 Schematic

[Salim Badakhshan]

Lenovo Thinkpad X13 Gen2 AMD NM-D441 Schematic

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Technical Specifications

Parameter	Value
Brand	LCFC (LC Future Center)
Model	Serval/Tiger AMD
Motherboard Manufacturer	LC Future Center
Project Code	Serval/Tiger AMD
Revision	0.1
Date	Wednesday, February 24, 2021
CPU Platform	AMD Gen2
EC / KBC	IT5679
EC/KBC Package	P040-EC_IT5679
BIOS / SPI Flash	P019-SPI ROM/TPM
Charging IC	P048-PWR_CHARGER
Charger Architecture	P048-PWR_CHARGER
Power IC(s)	P052-PWR_CPU PWR Controller, P044-DCDC_SYSTEM PWR, P049-PWR_3VALW, P053-PWR_CPU PWR1_+0.75VALW, P050-PWR_5VALW&+5VALW_PD, P054-PWR_CPU PWR2_+1.8VALW, P051-PWR_Memory PWR, P047-PWR_ACIN, P046-PWR_DCIN/OTP/RTC, P055-PWR_CPU PWR Decoupling
RAM Type	LPDDR4X
RAM Architecture	CHA, CHB
RAM Quantity / Slots	P007-CPU(2/9)LPDDR4X-CHA), P008-CPU(3/9)LPDDR4X-CHB), P017-Memory_CHA, P018-Memory_CHB
LAN IC	P036-LAN_Chipset
WiFi / WLAN IC	P034-WLAN
Audio Codec	P032-Audio_Codec
Card Reader IC	P030-SSD
USB Hub IC	P029-USB HUB
HDMI Level Shifter	P021-HDMI_RETIMER
Thermal Sensor	P038-Thermal
GPU Type	AMD (Integrated)
Graphics Architecture	P006-CPU(1/9)EDP/HDMI)

Technical Summary

This LCFC Serval/Tiger AMD Gen2 motherboard schematic, revision 0.1 dated February 24, 2021, is built around an AMD Gen2 CPU platform with integrated Radeon graphics supporting eDP and HDMI output. Memory architecture consists of LPDDR4X configured in dual-channel CHA and CHB. The embedded controller is an IT5679 located on page P040. SPI ROM and TPM are managed on page P019. Charging is handled by a dedicated charger IC on page P048, with a comprehensive power delivery system including CPU power controller, system DCDC, 3VALW, 5VALW, memory power, ACIN, and DCIN/OTP/RTC rails. Audio is provided by a codec on page P032, networking by a LAN chipset on page P036, and wireless by a WLAN module on page P034. The design includes a USB hub, HDMI retimer, SSD support, thermal monitoring, and a Type-C redriver configuration.

Technician FAQ

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

A: The embedded controller is an IT5679, located on schematic page P040.

Q: What type of memory does this motherboard use?

A: This motherboard uses LPDDR4X memory in a dual-channel configuration (CHA and CHB).

Q: What is the CPU platform for this motherboard?

A: The CPU platform is AMD Gen2 with integrated Radeon graphics.

Q: Where is the SPI ROM/BIOS flash located in the schematic?[/b

Indexed motherboard components

Open a component to see every indexed schematic that uses the same part.

AMD Gen2 CPU Platform IT5679 EC / KBC P048-PWR_CHARGER Charging / PD IC P044-DCDC_SYSTEM PWR Power IC P046-PWR_DCIN/OTP/RTC Power IC P047-PWR_ACIN Power IC P049-PWR_3VALW Power IC P050-PWR_5VALW&+5VALW_PD Power IC P051-PWR_MEMORY PWR Power IC P052-PWR_CPU PWR CONTROLLER Power IC P053-PWR_CPU PWR1_+0.75VALW Power IC P054-PWR_CPU PWR2_+1.8VALW Power IC P055-PWR_CPU PWR DECOUPLING Power IC LPDDR4X RAM Type P036-LAN_CHIPSET LAN Controller P034-WLAN WiFi / WLAN P032-AUDIO_CODEC Audio Codec P030-SSD Card Reader IC P029-USB HUB USB Controller P021-HDMI_RETIMER Signal Conditioning IC P038-THERMAL Thermal / Fan Control AMD (Integrated) Graphics P006-CPU(1/9):(EDP/HDMI) Graphics