ASRock B85 Pro4 - Manual (Page 4)

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English
No. Description
1 Power Fan Connector (PWR_FAN1)
2 ATX 12V Power Connector (ATX12V1)
3 2 x 240-pin DDR3 DIMM Slots (DDR3_A1, DDR3_B1)
4 2 x 240-pin DDR3 DIMM Slots (DDR3_A2, DDR3_B2)
5 ATX Power Connector (ATXPWR1)
6 USB 3.0 Header (USB3_2_3)
7 SATA2 Connectors (SATA2_0)
8 SATA2 Connectors (SATA2_1)
9 SATA3 Connectors (SATA3_0)
10 SATA3 Connectors (SATA3_3)
11 SATA3 Connectors (SATA3_2)
12 Chassis Fan Connector (CHA_FAN1)
13 System Panel Header (PANEL1)
14 SATA3 Connectors (SATA3_1)
15 Power LED Header (PLED1)
16 TPM Header (TPMS1)
17 USB 2.0 Header (USB6_7)
18 USB 2.0 Header (USB4_5)
19 Infrared Module Header (IR1)
20 Chassis Speaker Header (SPEAKER1)
21 Clear CMOS Jumper (CLRCMOS1)
22 COM Port Header (COM1)
23 SPDIF Out Connector (SPDIF_OUT1)
24 Front Panel Audio Header (HD_AUDIO1)
25 Chassis Fan Connector (CHA_FAN2)
26 CPU Fan Connector (CPU_FAN1)
27 CPU Fan Connector (CPU_FAN2)