Schematic Lenovo A540-24ICB IB360SL NM-C231 Rev 0.4 Schematic

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Lenovo A540-24ICB IB360SL NM-C231 Rev 0.4 Schematic




Technical Specifications

ParameterValue
BrandLenovo
Model540-24ICB
Motherboard ManufacturerAsia Vital Components Co., Ltd.
Board NumberA540-24ICB
RevisionX04
DateTuesday, April 09, 2019
CPU PlatformCoffee Lake-S
CPU SocketLGA 1151 Pin Socket
PCH / SouthbridgeB360
GPU TypeAMD GPU_R19M-P25-50
Graphics ArchitectureGDDR5 1GB
EC / KBCITE 8632E/AX
Audio CodecRealtek ALC274
BIOS / SPI FlashSPI Flash ROM 16MB*1 @1.8V
BIOS Flash Capacity16MB
Charging ICINA300
RAM TypeDDR4
RAM Architecture2 DIMMs, 64 bit per channel
RAM Quantity / Slots2 SODIMM
LAN ICRealtek RTL8111G
WiFi / WLAN ICM.2 2230 WIFI
Card Reader ICGL835L
HDMI Level ShifterRTD2136

Technical Summary

The Lenovo 540-24ICB AIO motherboard, manufactured by Asia Vital Components Co., Ltd., is built on the Coffee Lake-S platform with an LGA 1151 socket and Intel B360 PCH. The system utilizes dual-channel DDR4 memory via two SODIMM slots. Graphics are handled by an AMD R19M-P25-50 GPU with 1GB GDDR5 memory. The embedded controller is an ITE 8632E/AX, and the audio codec is a Realtek ALC274. The primary BIOS is stored on a 16MB SPI flash ROM operating at 1.8V. Networking is provided by a Realtek RTL8111G LAN IC and an M.2 2230 WiFi slot. The board also features a Realtek GL835L SD card reader and an RTD2136 HDMI level shifter for display connectivity.

Technician FAQ

Q: What is the BIOS flash IC configuration on this motherboard?

A: The primary BIOS is a 16MB SPI flash ROM operating at 1.8V. There is also a reserved 8MB SPI flash ROM at 3.3V.

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

A: The embedded controller is an ITE 8632E/AX.

Q: What is the GPU configuration on this motherboard?

A: The discrete GPU is an AMD R19M-P25-50 with 1GB GDDR5 memory.

Q: What is the memory architecture of this motherboard?

A: The board supports dual-channel DDR4 memory via two SODIMM slots, each running a 64-bit data bus.

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

Attachments

  • Lenovo A540-24ICB IB360SL NM-C231 Rev 0.4 Schematic.pdf
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