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No.
Description
1
ATX 12V Power Connector (ATX12V1)
2
PSU SMBus Header (PSU_SMB1)
3
ATX 12V Power Connector (ATX4PIN1)**
4
System Fan Connector (4-pin) (FAN1)
5
System Fan Connector (4-pin) (FAN2)
6
M.2 Socket (M2_1) (Type 2280)
7
TPM Header (TPM1)
8
Clear CMOS Pad (CLRCMOS1)
9
TPM-SPI Header (TPM_BIOS_PH1)
10
USB 3.2 Gen1 Header (USB3_5_6)
11
Intelligent Platform Management Bus Header (IPMB1)
12
BMC SMBus Header (BMC_SMB1)
13
System Fan Connector (4-pin) (FAN3)
System Panel Header (PANEL1)
14
15
Auxiliary Panel Header (ITX_AUX_PANEL1)
16
PWM Configuration Header (PWM_CFG1)
17
2 x 288-pin DDR4 DIMM Slots (DDR4_A2, DDR4_B2)*
18
2 x 288-pin DDR4 DIMM Slots (DDR4_A1, DDR4_B1)*
*For DIMM installation and configuration instructions, please see p.33 (Installation of Memory Modules
(DIMM)) for more details.
**Caution: Misconnection between the SATA_PWR1 and the ATX4PIN1 connectors may permanently damage
the motherboard.
18
(B550D4ID-2T/CG not supported)
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