ASRock Z87 Extreme3 - Manual (Page 4)

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English
No. Description
1 ATX 12V Power Connector (ATX12V1)
2 Chassis Fan Connector (CHA_FAN2)
3 CPU Fan Connector (CPU_FAN1)
4 CPU Fan Connector (CPU_FAN2)
5 2 x 240-pin DDR3 DIMM Slots (DDR3_A1, DDR3_B1)
6 2 x 240-pin DDR3 DIMM Slots (DDR3_A2, DDR3_B2)
7 ATX Power Connector (ATXPWR1)
8 USB 3.0 Header (USB3_4_5)
9 SATA3 Connectors (SATA3_0_1)
10 SATA3 Connectors (SATA3_2_3)
11 SATA3 Connectors (SATA3_4_5)
12 System Panel Header (PANEL1)
13 Power LED Header (PLED1)
14 Clear CMOS Jumper (CLRCMOS1)
15 Chassis Fan Connector (CHA_FAN1)
16 USB 2.0 Header (USB2_3)
17 USB 2.0 Header (USB4_5)
18 Chassis Speaker Header (SPEAKER1)
19 SPDIF Out Connector (SPDIF_OUT1)
20 Infrared Module Header (IR1)
21 COM Port Header (COM1)
22 Front Panel Audio Header (HD_AUDIO1)
23 Power Fan Connector (PWR_FAN1)
24 Chassis Fan Connector (CHA_FAN3)