ASROCK Fatal1ty B150 Gaming K4/D3 Series Manual page 6

No. Description
1 ATX 12V Power Connector (ATX12V1)
2 2 x 240-pin DDR3/DDR3L DIMM Slots (DDR3_A1, DDR3_B1)
3 2 x 240-pin DDR3/DDR3L DIMM Slots (DDR3_A2, DDR3_B2)
4 CPU Fan Connector (CPU_FAN1)
5 ATX Power Connector (ATXPWR1)
6 Chassis Fan Connector (CHA_FAN4)
7 USB 3.0 Header (USB3_7_8)
8 SATA3 Connectors (SATA3_0_1)
9 CPU Fan Connector (CPU_FAN2)
10 SATA3 Connectors (SATA3_3_5)
11 SATA3 Connectors (SATA3_2_4)
12 Chassis Fan Connector (CHA_FAN2)
13 Chassis Fan Connector (CHA_FAN1)
14 System Panel Header (PANEL1)
15 Clear CMOS Jumper (CLRMOS1)
16 Power LED and Speaker Header (SPK_PLED1)
17 USB 2.0 Header (USB1_2)
18 USB 2.0 Header (USB3_4)
19 Chassis Fan Connector (CHA_FAN3)
20 TPM Header (TPMS1)
21 COM Port Header (COM1)
22 Front Panel Audio Header (HD_AUDIO1)
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