Quick Installation Guide
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... 1 ATX 12V Power Connector (ATX12V1) 2 2 x 288-pin DDR4 DIMM Slots (DDR4_A1, DDR4_B1) 3 AMD Fan LED Header (AMD_FAN_LED1) 4 2 x 288-pin DDR4 DIMM Slots (DDR4_A2, DDR4_B2) 5 CPU/Water Pump Fan Connector (CPU_FAN2/WP) 6 CPU Fan Connector (CPU_FAN1) 7 ATX Power Connector (ATXPWR1) 8 USB 3.1 Gen1 Header (USB3_5_6) 9 SATA3 Connector (SATA3_1) 10 SATA3 Connector (SATA3_2) 11 SATA3 Connector (SATA3_A1) 12...
... 1 ATX 12V Power Connector (ATX12V1) 2 2 x 288-pin DDR4 DIMM Slots (DDR4_A1, DDR4_B1) 3 AMD Fan LED Header (AMD_FAN_LED1) 4 2 x 288-pin DDR4 DIMM Slots (DDR4_A2, DDR4_B2) 5 CPU/Water Pump Fan Connector (CPU_FAN2/WP) 6 CPU Fan Connector (CPU_FAN1) 7 ATX Power Connector (ATXPWR1) 8 USB 3.1 Gen1 Header (USB3_5_6) 9 SATA3 Connector (SATA3_1) 10 SATA3 Connector (SATA3_2) 11 SATA3 Connector (SATA3_A1) 12...
Quick Installation Guide
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B450 Steel Legend Connector • 1 x COM Port Header • 1 x TPM 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 load of 3A...
B450 Steel Legend Connector • 1 x COM Port Header • 1 x TPM 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 load of 3A...
Quick Installation Guide
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The headers might be in a different position on your motherboard. 4 4-pin FAN cable CPU_FAN1 5 RGB LED Cable 4-pin FAN cable CPU_FAN1 +12V AMD_FAN_LED1 *The diagrams shown here are for the orientation of AMD Fan LED Header (AMD_ FAN_LED1). 18 English Please refer to page 31 for reference only.
The headers might be in a different position on your motherboard. 4 4-pin FAN cable CPU_FAN1 5 RGB LED Cable 4-pin FAN cable CPU_FAN1 +12V AMD_FAN_LED1 *The diagrams shown here are for the orientation of AMD Fan LED Header (AMD_ FAN_LED1). 18 English Please refer to page 31 for reference only.
Quick Installation Guide
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Please refer to page 28 for reference only. The headers might be in a different position on the SR3, it requires the AMD utility "SR3 Settings Software" to control the LED. *The diagrams shown here are for the orientation of USB Header. 21 English B450 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 your motherboard.
Please refer to page 28 for reference only. The headers might be in a different position on the SR3, it requires the AMD utility "SR3 Settings Software" to control the LED. *The diagrams shown here are for the orientation of USB Header. 21 English B450 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 your motherboard.
Quick Installation Guide
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... AC'97 audio panel, please install it to install your system. 2. English 29 E. C. B450 Steel Legend Front Panel Audio Header (9-pin HD_AUDIO1) (see p.1, No. 17) GND FAN_VOLTAGE_CONTROL FAN_SPEED FAN_SPEED_CONTROL 4 3 2 1 FAN_SPEED_CONTROL CHA_FAN_SPEED FAN_VOLTAGE GND This motherboard provides three 4-Pin water cooling chassis fan connectors. D. MIC_RET and OUT_RET are for connecting audio devices to Pin 1-3. If you...
... AC'97 audio panel, please install it to install your system. 2. English 29 E. C. B450 Steel Legend Front Panel Audio Header (9-pin HD_AUDIO1) (see p.1, No. 17) GND FAN_VOLTAGE_CONTROL FAN_SPEED FAN_SPEED_CONTROL 4 3 2 1 FAN_SPEED_CONTROL CHA_FAN_SPEED FAN_VOLTAGE GND This motherboard provides three 4-Pin water cooling chassis fan connectors. D. MIC_RET and OUT_RET are for connecting audio devices to Pin 1-3. If you...
Quick Installation Guide
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...S_PWRDWN# SERIRQ# GND RRXD1 DDTR#1 DDSR#1 CCTS#1 1 RRI#1 RRTS#1 GND TTXD1 DDCD#1 1 This COM1 header supports a serial port module. Serial Port Header (9-pin COM1) (see p.1, No. 23) TPM Header (17-pin TPMS1) (see p.1, No. 1) 8 5 This motherboard provides a 8-pin ATX 12V power ...connector. If you plan to Pin 1-3. To use a 20-pin ATX power supply, please plug it along Pin 1 and Pin 5. To use a 4 1 4-pin ATX power supply, please plug it to connect a 3-Pin CPU water cooler fan...
...S_PWRDWN# SERIRQ# GND RRXD1 DDTR#1 DDSR#1 CCTS#1 1 RRI#1 RRTS#1 GND TTXD1 DDCD#1 1 This COM1 header supports a serial port module. Serial Port Header (9-pin COM1) (see p.1, No. 23) TPM Header (17-pin TPMS1) (see p.1, No. 1) 8 5 This motherboard provides a 8-pin ATX 12V power ...connector. If you plan to Pin 1-3. To use a 20-pin ATX power supply, please plug it along Pin 1 and Pin 5. To use a 4 1 4-pin ATX power supply, please plug it to connect a 3-Pin CPU water cooler fan...
Quick Installation Guide
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... cable which allows users to choose from various LED lighting effects. B450 Steel Legend AMD FAN LED Header (4-pin AMD_FAN_ LED1) (see p.1, No. 3) RGB LED Header (4-pin RGB_LED1) (see p.1, No. 24) Addressable LED Header (3-pin ADDR_LED1) (see p.1, No. 20) 1 12V G R B 1 12V G R B 1 GND DO_ADDR VOUT AMD FAN LED Header is used to connect RGB LED extension cable which allows users...
... cable which allows users to choose from various LED lighting effects. B450 Steel Legend AMD FAN LED Header (4-pin AMD_FAN_ LED1) (see p.1, No. 3) RGB LED Header (4-pin RGB_LED1) (see p.1, No. 24) Addressable LED Header (3-pin ADDR_LED1) (see p.1, No. 20) 1 12V G R B 1 12V G R B 1 GND DO_ADDR VOUT AMD FAN LED Header is used to connect RGB LED extension cable which allows users...
User Manual
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... 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) 25 2.5 Jumpers Setup 26 2.6 Onboard Headers and Connectors 27 2.7 CrossFireXTM and Quad CrossFireXTM Operation Guide 32 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) 25 2.5 Jumpers Setup 26 2.6 Onboard Headers and Connectors 27 2.7 CrossFireXTM and Quad CrossFireXTM Operation Guide 32 2.7.1 Installing Two CrossFireXTM-Ready Graphics Cards...
User Manual
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B450 Steel Legend Connector • 1 x COM Port Header • 1 x TPM 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 load of 3A...
B450 Steel Legend Connector • 1 x COM Port Header • 1 x TPM 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 load of 3A...
User Manual
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... 1 ATX 12V Power Connector (ATX12V1) 2 2 x 288-pin DDR4 DIMM Slots (DDR4_A1, DDR4_B1) 3 AMD Fan LED Header (AMD_FAN_LED1) 4 2 x 288-pin DDR4 DIMM Slots (DDR4_A2, DDR4_B2) 5 CPU/Water Pump Fan Connector (CPU_FAN2/WP) 6 CPU Fan Connector (CPU_FAN1) 7 ATX Power Connector (ATXPWR1) 8 USB 3.1 Gen1 Header (USB3_5_6) 9 SATA3 Connector (SATA3_1) 10 SATA3 Connector (SATA3_2) 11 SATA3 Connector (SATA3_A1) 12...
... 1 ATX 12V Power Connector (ATX12V1) 2 2 x 288-pin DDR4 DIMM Slots (DDR4_A1, DDR4_B1) 3 AMD Fan LED Header (AMD_FAN_LED1) 4 2 x 288-pin DDR4 DIMM Slots (DDR4_A2, DDR4_B2) 5 CPU/Water Pump Fan Connector (CPU_FAN2/WP) 6 CPU Fan Connector (CPU_FAN1) 7 ATX Power Connector (ATXPWR1) 8 USB 3.1 Gen1 Header (USB3_5_6) 9 SATA3 Connector (SATA3_1) 10 SATA3 Connector (SATA3_2) 11 SATA3 Connector (SATA3_A1) 12...
User Manual
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4 4-pin FAN cable CPU_FAN1 5 RGB LED Cable 4-pin FAN cable CPU_FAN1 +12V AMD_FAN_LED1 *The diagrams shown here are for the orientation of AMD Fan LED Header (AMD_ FAN_LED1). 18 English Please refer to page 31 for reference only. The headers might be in a different position on your motherboard.
4 4-pin FAN cable CPU_FAN1 5 RGB LED Cable 4-pin FAN cable CPU_FAN1 +12V AMD_FAN_LED1 *The diagrams shown here are for the orientation of AMD Fan LED Header (AMD_ FAN_LED1). 18 English Please refer to page 31 for reference only. The headers might be in a different position on your motherboard.
User Manual
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The headers might be in a different position on the SR3, it requires the AMD utility "SR3 Settings Software" to control the LED. *The diagrams shown here are for the orientation of USB Header. 21 English B450 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 your motherboard. Please refer to page 28 for reference only.
The headers might be in a different position on the SR3, it requires the AMD utility "SR3 Settings Software" to control the LED. *The diagrams shown here are for the orientation of USB Header. 21 English B450 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 your motherboard. Please refer to page 28 for reference only.
User Manual
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B450 Steel Legend Front Panel Audio Header (9-pin HD_AUDIO1) (see p.7, No. 26) GND PRESENCE# MIC_RET OUT_RET 1 OUT2_L J_SENSE OUT2_R MIC2_R MIC2_L This header is for the HD audio panel only. High Definition Audio supports...) (see p.7, No. 18) (4-pin CHA_FAN3/WP) (see p.7, No. 6) GND FAN_VOLTAGE_CONTROL FAN_SPEED FAN_SPEED_CONTROL This motherboard provides a 4-Pin CPU fan (Quiet Fan) connector. CPU Fan Connector (4-pin CPU_FAN1) (see p.7, No. 17) GND FAN_VOLTAGE_CONTROL FAN_SPEED FAN_SPEED_CONTROL 4 3 2 1 FAN_SPEED_CONTROL CHA_FAN_SPEED FAN_VOLTAGE GND This motherboard provides three ...
B450 Steel Legend Front Panel Audio Header (9-pin HD_AUDIO1) (see p.7, No. 26) GND PRESENCE# MIC_RET OUT_RET 1 OUT2_L J_SENSE OUT2_R MIC2_R MIC2_L This header is for the HD audio panel only. High Definition Audio supports...) (see p.7, No. 18) (4-pin CHA_FAN3/WP) (see p.7, No. 6) GND FAN_VOLTAGE_CONTROL FAN_SPEED FAN_SPEED_CONTROL This motherboard provides a 4-Pin CPU fan (Quiet Fan) connector. CPU Fan Connector (4-pin CPU_FAN1) (see p.7, No. 17) GND FAN_VOLTAGE_CONTROL FAN_SPEED FAN_SPEED_CONTROL 4 3 2 1 FAN_SPEED_CONTROL CHA_FAN_SPEED FAN_VOLTAGE GND This motherboard provides three ...
User Manual
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... CCTS#1 1 RRI#1 RRTS#1 GND TTXD1 DDCD#1 This COM1 header supports a serial port module. Serial Port Header (9-pin COM1) (see p.7, No. 5) GND FAN_VOLTAGE_CONTROL FAN_SPEED FAN_SPEED_CONTROL This motherboard provides a 4-Pin water cooling CPU fan connector. ATX 12V Power Connector (8-pin ATX12V1) (see p.7, No...ATX 12V 4 1 power connector. A TPM system also helps enhance network security, protects digital identities, and ensures platform integrity. English TPM Header (17-pin TPMS1) (see p.7, No. 25) 1 30 PCICLK FRAME PCIRST# LAD3 +3V LAD0 +3VSB GND GND SMB_CLK_MAIN SMB_DATA_MAIN ...
... CCTS#1 1 RRI#1 RRTS#1 GND TTXD1 DDCD#1 This COM1 header supports a serial port module. Serial Port Header (9-pin COM1) (see p.7, No. 5) GND FAN_VOLTAGE_CONTROL FAN_SPEED FAN_SPEED_CONTROL This motherboard provides a 4-Pin water cooling CPU fan connector. ATX 12V Power Connector (8-pin ATX12V1) (see p.7, No...ATX 12V 4 1 power connector. A TPM system also helps enhance network security, protects digital identities, and ensures platform integrity. English TPM Header (17-pin TPMS1) (see p.7, No. 25) 1 30 PCICLK FRAME PCIRST# LAD3 +3V LAD0 +3VSB GND GND SMB_CLK_MAIN SMB_DATA_MAIN ...
User Manual
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... to connect RGB LED extension cable that comes with AMD heatsink. B450 Steel Legend AMD FAN LED Header (4-pin AMD_FAN_ LED1) (see p.7, No. 3) RGB LED Header (4-pin RGB_LED1) (see p.7, No. 24) Addressable LED Header (3-pin ADDR_LED1) (see p.7, No. 20) 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 which allows users...
... to connect RGB LED extension cable that comes with AMD heatsink. B450 Steel Legend AMD FAN LED Header (4-pin AMD_FAN_ LED1) (see p.7, No. 3) RGB LED Header (4-pin RGB_LED1) (see p.7, No. 24) Addressable LED Header (3-pin ADDR_LED1) (see p.7, No. 20) 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 which allows users...