Schematic Gigabyte B550M DS3H AC Rev 1.0 1.1 Schematic

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Gigabyte B550M DS3H AC Rev 1.0 1.1 Schematic




Technical Specifications

ParameterValue
BrandGigabyte
ModelB550M DS3H AC
Motherboard ManufacturerGigabyte
Document NumberB550M DS3H AC
Revision1.0
DateMonday, July 20, 2020
CPU PlatformAMD AM4
PCH / SouthbridgePromontory
EC / KBCITE IT8688E
Audio CodecRealtek ALC887
LAN ICRealtek RTL8111G
RAM TypeDDR4
RAM ArchitectureUnbuffered
RAM Quantity / Slots4
Charging ICIR35201
Power IC(s)IR35201 + IR3555, RT8120, NCT3103S, RT8068A
WiFi / WLAN ICM2_WIFI
Card Reader ICRTS5441
USB Hub ICVL53

Technical Summary

The Gigabyte B550M DS3H AC motherboard, revision 1.0, is built on the AMD AM4 platform with a Promontory PCH. It features four unbuffered DDR4 memory slots. The system is managed by an ITE IT8688E EC/KBC, while audio is handled by a Realtek ALC887 codec. Networking is provided by a Realtek RTL8111G LAN IC. Power regulation is managed by an IR35201 controller paired with IR3555 power stages, alongside RT8120, NCT3103S, and RT8068A power ICs. The board includes an M2_WIFI slot for wireless connectivity, a Realtek RTS5441 card reader, and a VL53 USB hub IC.

Technician FAQ

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

A: The ITE IT8688E LPC SIO is used.

Q: What audio codec is used on this motherboard?

A: The Realtek ALC887 HD Audio codec is used.

Q: What LAN IC is used on this motherboard?

A: The Realtek RTL8111G LAN IC is used.

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.




Technical Specifications

ParameterValue
BrandGigabyte
ModelB550M DS3H AC
Document NumberB550M DS3H AC
Revision1.1
DateFriday, September 04, 2020
CPU PlatformAMD AM4
PCH / SouthbridgePromontory
EC / KBCITE IT8688E
Audio CodecRealtek ALC1220
LAN ICRealtek RTL8111G
RAM TypeDDR4
RAM ArchitectureUnbuffered
RAM Quantity / Slots4
Charging ICIR35201
Power IC(s)IR35201 + IR3555, RT8120, NCT3103S, RT8068A
WiFi / WLAN ICM2_WIFI

Technical Summary

This Gigabyte B550M DS3H AC motherboard, revision 1.1, is built on the AMD AM4 platform with a Promontory chipset. The system memory architecture consists of four unbuffered DDR4 DIMM slots. Audio processing is handled by a Realtek ALC1220 High Definition Audio Codec, while network connectivity is provided by a Realtek RTL8111G LAN IC. The embedded controller is an ITE IT8688E LPC Super I/O. Power regulation is managed by an IR35201 controller paired with IR3555 MOSFETs for VCORE/VCORE_SOC, alongside RT8120, NCT3103S, and RT8068A for memory power rails. The board includes an M2_WIFI slot for wireless connectivity.

Technician FAQ

Q: What is the board number and revision of this Gigabyte motherboard?

A: The document number is B550M DS3H AC, revision 1.1.

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

A: The embedded controller is an ITE IT8688E LPC Super I/O.

Q: What audio codec is used on this motherboard?

A: The audio codec is a Realtek ALC1220 High Definition Audio Codec.

Q: What LAN IC is used on this motherboard?

A: The LAN IC is a Realtek RTL8111G.

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

Attachments

  • Gigabyte B550M DS3H AC Rev 1.0 Schematic.pdf
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  • Gigabyte B550M DS3H AC Rev 1.1 Schematic.pdf
    1.1 MB · Views: 3
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