Heatsink mounting holes are arranged in a 54mm x 90mm rectangle. Pin Mapping and Functional Groups
Critical low-level signals for booting, resetting, and clocking. SYS_RESET_L , RTCCLK , PWR_GOOD am4 pin layout
Pins dedicated to communicating with the dual-channel DDR4 memory. MA_DATA , MB_DATA , MA_CLK Heatsink mounting holes are arranged in a 54mm
OPGA (micro Pin Grid Array) configuration served as the foundation for the Ryzen revolution from 2017 through the early 2020s. and clocking. SYS_RESET_L
The 1,331 pins are not identical; they are divided into functional blocks that manage power, data, and system signals. Functional Group Description Key Pin Labels