Schematic Lenovo IdeaPad S540-13IML NM-571 S540-13 CML-U42 v1 NM-C571 Pro-13 Schematic

Salim Badakhshan

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Lenovo IdeaPad S540-13IML NM-571 S540-13 CML-U42 v1 NM-C571 Pro-13 Schematic




Technical Specifications

ParameterValue
BrandLenovo
ModelS540-13
Motherboard ManufacturerLenovo PND
Project CodeCML-U42
Board NumberCRDNC1
Revision0.5
DateMonday, June 17, 2019
CPU PlatformCML-U42
GPU TypeMX250
Graphics ArchitectureGDDR5
RAM TypeDDR4
RAM Architecture2400MHz DDR4 Channel A&B
Charging ICTPS2546
USB Hub ICPS8747
USB3 RE-TIMERPS8719
USB-C ControllerCCPD 65988
WiFi / WLAN ICNGFF WiFi/BT CNVi/PCIe/USB2.0

Technical Summary

The Lenovo S540-13 schematic, revision 0.5, dated June 17, 2019, is based on the CML-U42 platform with board number CRDNC1. The system utilizes DDR4 memory operating at 2400MHz across Channel A and B. Graphics are handled by an MX250 GPU with GDDR5 VRAM. The charging subsystem is managed by a TPS2546 IC, while USB-C connectivity is controlled by a CCPD 65988 controller. USB3 signal integrity is maintained by a PS8719 re-timer, and USB-C port multiplexing is handled by the PS8747. Wireless connectivity is provided via an NGFF WiFi/BT module using the CNVi interface.

Technician FAQ

Q: What is the board number and revision for the Lenovo S540-13?

A: The board number is CRDNC1, and the schematic revision is 0.5.

Q: What GPU and memory configuration does this motherboard use?

A: The motherboard uses an MX250 GPU with GDDR5 VRAM and DDR4 memory operating at 2400MHz across Channel A and B.

Q: What charging IC is used on this motherboard?

A: The charging IC is the TPS2546.

Q: What USB-C controller is used on this motherboard?

A: The USB-C controller is the CCPD 65988.

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

Attachments

  • Lenovo IdeaPad S540-13IML NM-571 S540-13 CML-U42 v1 NM-C571 Pro-13 Schematic.pdf
    2.6 MB · Views: 7
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