Table of Contents
Advertisement
No.
Description
1
Front LAN LED Connector (LED_LAN_3_4)
2
NCSI Header (NCSI1)
3
SATA Power Connector (DC-IN Mode) (SATA_PWR1)**
4
ATX 12V Power Connector (ATX12V1)
5
ATX 12V Power Connector (ATX12V2)
6
PSU SMBus Header (PSU_SMB1)
7
ATX 12V Power Connector (ATX4PIN1)**
8
System Fan Connector (4-pin) (FAN1)
9
System Fan Connector (4-pin) (FAN2)
10
M.2 Socket (M2_1) (Type 2280)
11
TPM Header (TPM1)
12
Clear CMOS Pad (CLRCMOS1)
13
OCuLink x4 Connector (OCU1)
14
TPM-SPI Header (TPM_BIOS_PH1)
15
USB 3.2 Gen1 Header (USB3_5_6)
16
Intelligent Platform Management Bus Header (IPMB1)
17
BMC SMBus Header (BMC_SMB1)
18
Speaker Header (SPEAKER1)
19
Thermal Sensor Header (TR1)
20
System Fan Connector (4-pin) (FAN3)
21
Auxiliary Panel Header (ITX_AUX_PANEL1)
22
COM Port Header (COM1)
23
PWM Configuration Header (PWM_CFG1)
24
2 x 288-pin DDR4 DIMM Slots (DDR4_A1, DDR_B1)*
25
2 x 288-pin DDR4 DIMM Slots (DDR4_A2, DDR_B2)*
*For DIMM installation and configuration instructions, please see p.20 (Installation of Memory Modules
(DIMM)) for more details.
**Caution: Misconnection between the SATA_PWR1 and the ATX4PIN1 connectors may permanently damage
the motherboard.
B550D4ID-2L2T
7
Advertisement
Table of Contents
