B550-A PRO User Guide

Scope and location

Exact named pinout variant only; not capability or compatibility approval.

printed/PDF p.33, JAUD1: Front Audio Connector, numbered drawing and Pin/Signal Name table; printed/PDF p.34, CPU_PWR1, ATX_PWR1: Power Connectors, ATX_PWR1, numbered drawing and Pin/Signal Name table; printed/PDF p.34, CPU_PWR1, ATX_PWR1: Power Connectors, CPU_PWR1, numbered drawing and Pin/Signal Name table; printed/PDF p.37, JUSB1~2: USB 2.0 Connectors, numbered drawing and Pin/Signal Name table; printed/PDF p.38, CPU_FAN1, PUMP_FAN1, SYS_FAN1~6: Fan Connectors, PWM Mode and DC Mode pin definition tables and mode explanation, numbered drawing and Pin/Signal Name table; printed/PDF p.40, JRGB1: RGB LED connector, numbered drawing and Pin/Signal Name table; printed/PDF p.41, JRAINBOW1~2: Addressable RGB LED connectors, numbered drawing and Pin/Signal Name table

Open the original source

Inspected

2026-10-21

Access

public pdf text

Recorded AI-assisted source inspection; not independent human approval or hardware testing.

Source scope and unresolved evidence are preserved in the engineering variant.

Source inspection is separate from independent technical approval, rights clearance and hardware testing.