Schematic Gigabyte B550M DS3H Rev 1.0 1.01 Schematic

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Gigabyte B550M DS3H Rev 1.0 1.01 Schematic




Technical Specifications

ParameterValue
BrandGigabyte
ModelB550M DS3H
Motherboard ManufacturerGigabyte
Document NumberB550M DS3H
Revision1.0
DateWednesday, April 22, 2020
CPU PlatformAMD AM4
PCH / SouthbridgePromontory
EC / KBCIT5702
Audio CodecALC1220
BIOS / SPI FlashSPI BIOS
RAM TypeDDR4
RAM ArchitectureUNBUFFERED
RAM Quantity / Slots4
LAN ICRTL8111G
WiFi / WLAN ICM2_WIFI
Charging ICRT8120D
Power IC(s)IR35201, IR3555, RT8120D, NCT3103S, RT8068A
Thermal SensorIT8688E
Card Reader ICRTS5441
USB Hub ICUSB31 Hub
HDMI Level ShifterIT5702

Technical Summary

The Gigabyte B550M DS3H motherboard, revision 1.0, is built on the AMD AM4 platform with a Promontory PCH. The board utilizes an IT5702 EC/KBC and an IT8688E thermal sensor. Audio is handled by the ALC1220 HD audio codec, while networking is provided by the RTL8111G LAN IC and an M2_WIFI slot. The system supports four unbuffered DDR4 DIMM slots. Power management is managed by a combination of IR35201 and IR3555 VR controllers, along with RT8120D, NCT3103S, and RT8068A power ICs. The board includes an RTS5441 card reader and an IT5702 HDMI level shifter. The SPI BIOS flash is used for system firmware storage.

Technician FAQ

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

A: The motherboard uses an IT5702 EC/KBC.

Q: What audio codec is featured on this board?

A: The board features the ALC1220 HD audio codec.

Q: What LAN IC is used on this motherboard?

A: The board uses the RTL8111G LAN IC.

Q: What power management ICs are present?

A: The board uses IR35201 and IR3555 for VR control, along with RT8120D, NCT3103S, and RT8068A for other power rails.

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




Technical Specifications

ParameterValue
BrandGigabyte
ModelB550M DS3H
Revision1.01
DateThursday, May 07, 2020
CPU PlatformAMD AM4
PCH / SouthbridgePromontory
Audio CodecRealtek ALC887
LAN ICRTL8111G
EC / KBCIT5702
Super I/OIT8688E
PWM ControllerRAA229004
RAM TypeDDR4
RAM ArchitectureUnbuffered
RAM Quantity / Slots4
Charging ICRT8120D
Power IC(s)NCT3103S, RT8068A
Card Reader ICRTS5441
WiFi / WLAN ICM2_WIFI
Document NumberB550M DS3H

Technical Summary

The Gigabyte B550M DS3H motherboard, revision 1.01, is built around the AMD AM4 platform with a Promontory chipset. It features four unbuffered DDR4 memory slots and utilizes a Realtek ALC887 HD audio codec alongside an RTL8111G LAN controller. The system is managed by an IT5702 EC/KBC and an IT8688E Super I/O. Power regulation is handled by an RAA229004 PWM controller, with additional power ICs including the RT8120D, NCT3103S, and RT8068A. A Realtek RTS5441 card reader IC is present, and the board supports M.2 WiFi connectivity. The schematic document is dated May 7, 2020.

Technician FAQ

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

A: The EC/KBC is an IT5702.

Q: What audio codec is used on the B550M DS3H?

A: The audio codec is a Realtek ALC887.

Q: What LAN controller is present on this board?

A: The LAN controller is an RTL8111G.

Q: What is the memory architecture of this motherboard?

A: The board supports unbuffered DDR4 memory across four DIMM slots.

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

Attachments

  • Gigabyte B550M DS3H Rev 1.0 Schematic.pdf
    1.1 MB · Views: 1
  • Gigabyte B550M DS3H Rev 1.01 Schematic.pdf
    1.1 MB · Views: 1
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