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3

4

 10

 11

CPU Socket ...............................................................................................................12

DIMM Slots................................................................................................................13

PCI_E1~4: PCIe Expansion Slots ..............................................................................14

JFP1, JFP2: Front Panel Connectors .......................................................................15

JAUD1: Front Audio Connector ................................................................................15

SATA5~8, SATA_A1& SATA_B1: SATA 6Gb/s Connectors .......................................16

M2_1~2: M.2 Slot (Key M) .........................................................................................16

ATX_PWR1, CPU_PWR1~2: Power Connectors .......................................................17

JUSB1~2: USB 2.0 Connectors .................................................................................18

JUSB3: USB 3.2 Gen 1 Connector ............................................................................18

JUSB4: USB 3.2 Gen 1 Type-C Connector ................................................................19

JLPT1: Parallel Port Connector ...............................................................................19

CPU_FAN1, PUMP_FAN1, SYS_FAN1~2: Fan Connectors ......................................20

JTPM1: TPM Module Connector ...............................................................................20

JCI1: Chassis Intrusion Connector ...........................................................................21

JDASH1: Tuning controller Connector .....................................................................21

JBAT1: Clear CMOS (Reset BIOS) Jumper ...............................................................22

JCOM1: Serial Port Connector .................................................................................22

JRGB1: RGB LED connector .....................................................................................22

JRAINBOW1~2: Addressable RGB LED connectors ................................................23

EZ Debug LED ...........................................................................................................23

24

Installing Windows 10/ Windows 11 .........................................................................24

Installing Drivers ......................................................................................................24

MSI Center ................................................................................................................24

Thank you for purchasing the MSI® 

motherboard. This User Guide gives information about

board layout, component overview, BIOS setup and software

installation.

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MSI PRO B660M-A CEC WIFI User Manual

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