ASRock B450 Steel Legend Quick Installation Guide - Page 3
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Motherboard Layout 1 USB 2.0 T: USB5 B: USB6 ATX12V1 PS2 Keyboard/ Mouse B450 Steel Legend 2 34 56 1 AMD_FAN_LED1 CPU_FAN2/WP CPU_FAN1 DP1 HDMI1 B450 STEEL LEGEND DDR4_A1 (64 bit, 288-pin module) DDR4_A2 (64 bit, 288-pin module) DDR4_B1 (64 bit, 288-pin module) DDR4_B2 (64 bit, 288-pin module) ATXPWR1 SOCKET AM4 USB 3.1 Gen1 T: USB3_3 B: USB3_4 USB 3.1 Gen1 T: USB3_1 B: USB3_2 USB 3.1 Gen2 T: USB31_TA_1 B: USB31_TC_1 RJ-45 LAN Top: USB3_5_6 Central/Bass LINE IN Center: REAR SPK Bottom: Optical SPDIF Top: Center: FRONT Bottom: MIC IN CHA_FAN1/WP PCIE1 M2_1 1 Ultra M.2 PCIe Gen3 x4 USB 3.1 Gen2 PCIE2 Super I/O PCIE3 CMOS Battery AMD Promontory B450 PCIE4 HD_AUDIO1 1 PCIE5 PCIE6 RoHS TPMS1 1 RGB_LED1 1 COM1 1 USB_1_2 1 USB_3_4 1 CHA_FAN2/WP CHA_FAN3/WP CLRCMOS2 ADDR_LED1 1 1 SPK_PLED1 1 PANEL1 PLED PWRBTN 1 HDLED RESET M2_2 24 23 21 20 17 16 15 SATA3_4 SATA3_3 SATA3_A2 SATA3_A1 SATA3_2 SATA3_1 7 8 9 10 11 12 13 14 English 1
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