Lenovo Thinkpad L13 Clamshell GEN2 Wistron LAR2-CZ 203598-1 203088-3 Schematic

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Lenovo Thinkpad L13 Clamshell GEN2 Wistron LAR2-CZ 203598-1 203088-3 Schematic




Technical Specifications

ParameterValue
BrandWistron Corporation
Project Code4PD0P7010001
Board Number203088-SD9370L8
RevisionA3
DateWednesday, July 28, 2021
CPU PlatformAMD CEZANNE
EC / KBCNPCE68AP
Audio CodecRealTek ALC3287
BIOS / SPI FlashSPI Flash 16MB
Charging ICBQ25710RSNR
RAM TypeDDR4 MEMORY DOWN
RAM ArchitectureCHANNEL A, CHANNEL B
Card Reader ICGL9750-OIY
LAN ICRTL8111EPV
WiFi / WLAN ICJefferson Peak, Harrison Peak
HDMI Level ShifterPS8409A

Technical Summary

This Wistron LAR-2 CZ schematic, revision A3 dated July 28, 2021, details a motherboard built around the AMD CEZANNE platform with a project code of 4PD0P7010001 and PCB raw card number 203088-SD9370L8. The system integrates an NPCE68AP embedded controller and a RealTek ALC3287 audio codec. BIOS storage is provided by a 16MB SPI flash. Power management includes a BQ25710RSNR battery charger/selector and multiple DC/DC converters. Memory architecture consists of DDR4 memory down in two channels, A and B. The board features a GL9750-OIY card reader, an RTL8111EPV GbE PHY, and supports Jefferson Peak or Harrison Peak WLAN modules. HDMI connectivity is handled by a PS8409A re-timer.

Technician FAQ

Q: What is the project code and PCB number for this motherboard?

A: The project code is 4PD0P7010001 and the PCB raw card number is 203088-SD9370L8.

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

A: The embedded controller is an NPCE68AP.

Q: What is the BIOS flash configuration?

A: The board uses a 16MB SPI flash for BIOS storage.

Q: What is the charging IC on this motherboard?

A: The battery charger/selector IC is a BQ25710RSNR.

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




Technical Specifications

ParameterValue
BrandWistron Corporation
Project CodeQRQY00012321
Board Number203598LAR-2 CZ Sensor Board
Document NumberA414
DateThursday, April 08, 2021
RevisionA414
TitleLAR-2 CZ SENSOR BD

Technical Summary

This Wistron Corporation document, Project Code QRQY00012321, covers the 203598LAR-2 CZ Sensor Board. The schematic is identified by Document Number A414, dated Thursday, April 08, 2021. The board integrates a G-sensor subsystem featuring two LIS2DH12TR accelerometers from STMicroelectronics, designated as U302 and U303. The sensor block diagram indicates connections for camera modules, an IR camera, and a microphone, powered by 3D3V_S5 rails. The board communicates via CPU_I2C_ISH0 and ISH_ANGLE_INT# signals, and includes an IO board connector (SNBD/CAM) for interfacing with the main system.

Technician FAQ

Q: What is the board number for this sensor board?

A: The board number is 203598LAR-2 CZ Sensor Board.

Q: What G-sensor ICs are used on this board?

A: The board uses two LIS2DH12TR accelerometers from STMicroelectronics, designated as U302 and U303.

Q: What is the document revision for this schematic?

A: The schematic document number is A414, dated Thursday, April 08, 2021.

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

Attachments

  • Lenovo Thinkpad L13 Clamshell GEN2 Wistron LAR2-CZ 203598-1 Schematic.pdf
    202.9 KB · Views: 4
  • Lenovo Thinkpad L13 Clamshell GEN2 Wistron LAR2-CZ 203088-3 Schematic.pdf
    2.5 MB · Views: 5
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