Quick Installation Guide
Page 4
... LED and Speaker Header (SPK_PLED1) 15 Chassis Intrusion Header (CI1) 16 Chassis/Water Pump Fan Connector (CHA_FAN2/WP) 17 Chassis/Water Pump Fan Connector (CHA_FAN3/WP) 18 Clear CMOS Jumper (CLRCMOS1) 19 USB 2.0 Header (USB_5_6) 20 USB 2.0 Header (USB_3_4) 21 COM Port Header (COM1) 22 TPM Header (TPMS1) 23 RGB LED Header (RGB_HEADER1) 24 Addressable LED Header (ADDR_LED1) 25 Front...
... LED and Speaker Header (SPK_PLED1) 15 Chassis Intrusion Header (CI1) 16 Chassis/Water Pump Fan Connector (CHA_FAN2/WP) 17 Chassis/Water Pump Fan Connector (CHA_FAN3/WP) 18 Clear CMOS Jumper (CLRCMOS1) 19 USB 2.0 Header (USB_5_6) 20 USB 2.0 Header (USB_3_4) 21 COM Port Header (COM1) 22 TPM Header (TPMS1) 23 RGB LED Header (RGB_HEADER1) 24 Addressable LED Header (ADDR_LED1) 25 Front...
Quick Installation Guide
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B450M Steel Legend Connector • 1 x COM Port Header • 1 x TPM Header • 1 x Chassis Intrusion Header • 1 x Power LED and Speaker Header • 1 x RGB LED Header * Supports in total up to 12V/3A, 36W LED Strip • 1 x Addressable LED Header * Supports in total up to 5V/3A, 15W LED Strip • 1 x AMD Fan LED Header * The AMD Fan LED Header supports LED strips of maximum...
B450M Steel Legend Connector • 1 x COM Port Header • 1 x TPM Header • 1 x Chassis Intrusion Header • 1 x Power LED and Speaker Header • 1 x RGB LED Header * Supports in total up to 12V/3A, 36W LED Strip • 1 x Addressable LED Header * Supports in total up to 5V/3A, 15W LED Strip • 1 x AMD Fan LED Header * The AMD Fan LED Header supports LED strips of maximum...
Quick Installation Guide
Page 20
Please refer to page 31 for reference only. 4 4-pin FAN cable CPU_FAN1 5 RGB LED Cable 4-pin FAN cable CPU_FAN1 +12V AMD_FAN_LED1 *The diagram shown here are for the orientation of AMD Fan LED Header (AMD_FAN_LED1). 18 English
Please refer to page 31 for reference only. 4 4-pin FAN cable CPU_FAN1 5 RGB LED Cable 4-pin FAN cable CPU_FAN1 +12V AMD_FAN_LED1 *The diagram shown here are for the orientation of AMD Fan LED Header (AMD_FAN_LED1). 18 English
Quick Installation Guide
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Please refer to control the LED. *The diagram shown here are for the orientation of USB Header. 21 English B450M Steel Legend 5 4-pin FAN cable CPU_FAN1 6 CPU_FAN1 USB 2.0 Header USB Please note that this connector is the interface to the LED control board on the SR3, it requires the AMD utility "SR3 Settings Software" to page 28 for reference only.
Please refer to control the LED. *The diagram shown here are for the orientation of USB Header. 21 English B450M Steel Legend 5 4-pin FAN cable CPU_FAN1 6 CPU_FAN1 USB 2.0 Header USB Please note that this connector is the interface to the LED control board on the SR3, it requires the AMD utility "SR3 Settings Software" to page 28 for reference only.
Quick Installation Guide
Page 31
...header by the steps below: A. B. Connect Ground (GND) to OUT2_L. MIC_RET and OUT_RET are for the AC'97 audio panel. Connect Audio_R (RIN) to OUT2_R and Audio_L (LIN) to Ground (GND). To activate the front mic, go to the "FrontMic" Tab in our manual and chassis manual to Pin 1-3. B450M Steel Legend... 1. You don't need to MIC2_L. FAN_VOLTAGE_CONTROL GND FAN_SPEED_CONTROL vides a 4-Pin CPU fan (Quiet Fan) connector. D. If you plan to (4-pin CHA_FAN2/WP) (see p.1, No....
...header by the steps below: A. B. Connect Ground (GND) to OUT2_L. MIC_RET and OUT_RET are for the AC'97 audio panel. Connect Audio_R (RIN) to OUT2_R and Audio_L (LIN) to Ground (GND). To activate the front mic, go to the "FrontMic" Tab in our manual and chassis manual to Pin 1-3. B450M Steel Legend... 1. You don't need to MIC2_L. FAN_VOLTAGE_CONTROL GND FAN_SPEED_CONTROL vides a 4-Pin CPU fan (Quiet Fan) connector. D. If you plan to (4-pin CHA_FAN2/WP) (see p.1, No....
Quick Installation Guide
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... orientation; Caution: Never install the Addressable LED cable in the wrong orientation; B450M Steel Legend AMD FAN LED Header (4-pin AMD_FAN_ LED1) (see p.1, No. 6) RGB LED Header (4-pin RGB_LED1) (see p.1, No. 23) Addressable LED Header (3-pin ADDR_LED1) (see p.1, No. 24) 1 12V G R B 1 12V G R B 1 GND DO_ADDR VOUT AMD FAN LED Header is used to choose from various LED lighting effects. This...
... orientation; Caution: Never install the Addressable LED cable in the wrong orientation; B450M Steel Legend AMD FAN LED Header (4-pin AMD_FAN_ LED1) (see p.1, No. 6) RGB LED Header (4-pin RGB_LED1) (see p.1, No. 23) Addressable LED Header (3-pin ADDR_LED1) (see p.1, No. 24) 1 12V G R B 1 12V G R B 1 GND DO_ADDR VOUT AMD FAN LED Header is used to choose from various LED lighting effects. This...
User Manual
Page 4
... 1 1.1 Package Contents 1 1.2 Specifications 2 1.3 Motherboard Layout 7 1.4 I/O Panel 9 Chapter 2 Installation 11 2.1 Installing the CPU 12 2.2 Installing the CPU Fan and Heatsink 14 2.3 Installing Memory Modules (DIMM) 22 2.4 Expansion Slots (PCI Express Slots) 26 2.5 Jumpers Setup 27 2.6 Onboard Headers and Connectors 28 2.7 CrossFireXTM and Quad CrossFireXTM Operation Guide 33 2.7.1 Installing Two CrossFireXTM-Ready Graphics Cards...
... 1 1.1 Package Contents 1 1.2 Specifications 2 1.3 Motherboard Layout 7 1.4 I/O Panel 9 Chapter 2 Installation 11 2.1 Installing the CPU 12 2.2 Installing the CPU Fan and Heatsink 14 2.3 Installing Memory Modules (DIMM) 22 2.4 Expansion Slots (PCI Express Slots) 26 2.5 Jumpers Setup 27 2.6 Onboard Headers and Connectors 28 2.7 CrossFireXTM and Quad CrossFireXTM Operation Guide 33 2.7.1 Installing Two CrossFireXTM-Ready Graphics Cards...
User Manual
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B450M Steel Legend • 1 x M.2 Socket (M2_2), supports M Key type 2230/2242/2260/2280 M.2 SATA3 6.0 Gb/s module** ** Supports NVMe SSD as boot disks ** Supports ASRock U.2 Kit Connector • 1 x COM Port Header • 1 x TPM Header • 1 x Chassis Intrusion Header • 1 x Power LED and Speaker Header • 1 x RGB LED Header * Supports in total up to 12V/3A, 36W LED Strip • 1 x Addressable LED...
B450M Steel Legend • 1 x M.2 Socket (M2_2), supports M Key type 2230/2242/2260/2280 M.2 SATA3 6.0 Gb/s module** ** Supports NVMe SSD as boot disks ** Supports ASRock U.2 Kit Connector • 1 x COM Port Header • 1 x TPM Header • 1 x Chassis Intrusion Header • 1 x Power LED and Speaker Header • 1 x RGB LED Header * Supports in total up to 12V/3A, 36W LED Strip • 1 x Addressable LED...
User Manual
Page 14
... LED and Speaker Header (SPK_PLED1) 15 Chassis Intrusion Header (CI1) 16 Chassis/Water Pump Fan Connector (CHA_FAN2/WP) 17 Chassis/Water Pump Fan Connector (CHA_FAN3/WP) 18 Clear CMOS Jumper (CLRCMOS1) 19 USB 2.0 Header (USB_5_6) 20 USB 2.0 Header (USB_3_4) 21 COM Port Header (COM1) 22 TPM Header (TPMS1) 23 RGB LED Header (RGB_HEADER1) 24 Addressable LED Header (ADDR_LED1) 25 Front...
... LED and Speaker Header (SPK_PLED1) 15 Chassis Intrusion Header (CI1) 16 Chassis/Water Pump Fan Connector (CHA_FAN2/WP) 17 Chassis/Water Pump Fan Connector (CHA_FAN3/WP) 18 Clear CMOS Jumper (CLRCMOS1) 19 USB 2.0 Header (USB_5_6) 20 USB 2.0 Header (USB_3_4) 21 COM Port Header (COM1) 22 TPM Header (TPMS1) 23 RGB LED Header (RGB_HEADER1) 24 Addressable LED Header (ADDR_LED1) 25 Front...
User Manual
Page 24
Please refer to page 31 for reference only. 4 4-pin FAN cable CPU_FAN1 5 RGB LED Cable 4-pin FAN cable CPU_FAN1 +12V AMD_FAN_LED1 *The diagram shown here are for the orientation of AMD Fan LED Header (AMD_FAN_LED1). 18 English
Please refer to page 31 for reference only. 4 4-pin FAN cable CPU_FAN1 5 RGB LED Cable 4-pin FAN cable CPU_FAN1 +12V AMD_FAN_LED1 *The diagram shown here are for the orientation of AMD Fan LED Header (AMD_FAN_LED1). 18 English
User Manual
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Please refer to control the LED. *The diagram shown here are for the orientation of USB Header. 21 English B450M Steel Legend 5 4-pin FAN cable CPU_FAN1 6 CPU_FAN1 USB 2.0 Header USB Please note that this connector is the interface to the LED control board on the SR3, it requires the AMD utility "SR3 Settings Software" to page 28 for reference only.
Please refer to control the LED. *The diagram shown here are for the orientation of USB Header. 21 English B450M Steel Legend 5 4-pin FAN cable CPU_FAN1 6 CPU_FAN1 USB 2.0 Header USB Please note that this connector is the interface to the LED control board on the SR3, it requires the AMD utility "SR3 Settings Software" to page 28 for reference only.
User Manual
Page 36
.... You don't need to function correctly. If you use an AC'97 audio panel, please install it to the front panel audio header by the steps below: A. If you plan to (4-pin CHA_FAN2/WP) (see p.7, No. 3) FAN_SPEED This motherboard pro- MIC_RET ...only. FAN_SPEED FAN_VOLTAGE_CONTROL (4-pin CHA_FAN3/WP) GND FAN_SPEED_CONTROL (see p.7, No. 17) CPU Fan Connector (4-pin CPU_FAN1) (see p.7, No. 16) FAN_SPEED_CONTROL FAN_SPEED FAN_VOLTAGE GND 4 connect a 3-Pin chassis 3 2 water cooler fan, please 1 connect it to Pin 1-3. Please follow the instructions in the Realtek Control ...
.... You don't need to function correctly. If you use an AC'97 audio panel, please install it to the front panel audio header by the steps below: A. If you plan to (4-pin CHA_FAN2/WP) (see p.7, No. 3) FAN_SPEED This motherboard pro- MIC_RET ...only. FAN_SPEED FAN_VOLTAGE_CONTROL (4-pin CHA_FAN3/WP) GND FAN_SPEED_CONTROL (see p.7, No. 17) CPU Fan Connector (4-pin CPU_FAN1) (see p.7, No. 16) FAN_SPEED_CONTROL FAN_SPEED FAN_VOLTAGE GND 4 connect a 3-Pin chassis 3 2 water cooler fan, please 1 connect it to Pin 1-3. Please follow the instructions in the Realtek Control ...
User Manual
Page 38
... English 32 otherwise, the cable may be damaged. *Please refer to page 53 for further instructions on this header. Caution: Never install the FAN LED cable in the wrong orientation; The cable connection allows users to choose from various LED lighting effects. AMD... FAN LED Header (4-pin AMD_FAN_ LED1) (see p.7, No. 6) RGB LED Header (4-pin RGB_LED1) (see p.7, No. 23) Addressable LED Header (3-pin ADDR_LED1) (see p.7, No. 24) 1 12V G R B 1 12V G R B 1 GND DO_ADDR VOUT AMD FAN LED Header is used to connect Addressable LED extension cable ...
... English 32 otherwise, the cable may be damaged. *Please refer to page 53 for further instructions on this header. Caution: Never install the FAN LED cable in the wrong orientation; The cable connection allows users to choose from various LED lighting effects. AMD... FAN LED Header (4-pin AMD_FAN_ LED1) (see p.7, No. 6) RGB LED Header (4-pin RGB_LED1) (see p.7, No. 23) Addressable LED Header (3-pin ADDR_LED1) (see p.7, No. 24) 1 12V G R B 1 12V G R B 1 GND DO_ADDR VOUT AMD FAN LED Header is used to connect Addressable LED extension cable ...