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感谢您购买了 MSI® B550M-A PRO/ A520M-A PRO 主板。本指
南提供了主板布局，组件概述，BIOS 设置以及软件安装。
目录
安全信息...........................................................................................................2
规格...................................................................................................................3
后置 I/O 面板.....................................................................................................6
LAN 端口 LED 状态表..................................................................................................6
组件概述...........................................................................................................7
CPU 底座.....................................................................................................................8
DIMM 插槽...................................................................................................................9
PCI_E1~2: PCIe 扩展插槽............................................................................................9
M2_1: M.2 接口..........................................................................................................10
SATA1~4: SATA 6Gb/s 接口.......................................................................................10
JFP1, JFP2: 前置面板接口........................................................................................11
JAUD1: 前置音频接口................................................................................................11
ATX_PWR1, CPU_PWR1: 电源接口...........................................................................12
JUSB1, JUSB2: USB 2.0 接口....................................................................................13
JUSB3: USB 3.2 Gen1 接口.......................................................................................13
CPU_FAN1, SYS_FAN1: 风扇接口.............................................................................14
JTPM1: TPM 模组接口...............................................................................................14
JCI1: 机箱入侵检测接口............................................................................................15
JCOM1: 串行端头接口...............................................................................................15
JBAT1: 清除 CMOS (重启 BIOS) 跳线........................................................................16
简易侦错 LED 灯........................................................................................................16
UEFI BIOS.......................................................................................................17
BIOS 设置..................................................................................................................18
进入 BIOS 设置..........................................................................................................18
重启 BIOS..................................................................................................................18
更新 BIOS..................................................................................................................19
安装操作系统，驱动程序与工具程序..............................................................20
安装 Windows® 10.....................................................................................................20
安装驱动....................................................................................................................20
安装工具....................................................................................................................20
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目录