ASRock Z77 Pro4 manual English Motherboard Layout

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Motherboard Layout

1	CPU Fan Connector (CPU_FAN1)	21	Power LED Header (PLED1)
2	1155-Pin CPU Socket	22	Chassis Fan Connector (CHA_FAN2)
3	ATX 12V Power Connector (ATX12V1)	23	USB 2.0 Header (USB_6_7, Black)
4	CPU Fan Connector (CPU_FAN2)	24	USB 2.0 Header (USB_8_9, Black)
5	2 x 240-pin DDR3 DIMM Slots	25	Consumer Infrared Module Header
	(DDR3_A1, DDR3_B1, Black)		(CIR1, Gray)
6	2 x 240-pin DDR3 DIMM Slots	26	Infrared Module Header (IR1)
	(DDR3_A2, DDR3_B2, Black)	27	Clear CMOS Jumper (CLRCMOS1)
7	ATX Power Connector (ATXPWR1)	28	COM Port Header (COM1)
8	SATA3 Connectors (SATA3_A1, Gray)	29	HDMI_SPDIF Header
9	SATA3 Connectors (SATA3_A2, Gray)		(HDMI_SPDIF1, Black)
10	USB 3.0 Header (USB3_0_1, Black)	30	Front Panel Audio Header
11	Intel Z77 Chipset		(HD_AUDIO1, Black)
12	SPI Flash Memory (64Mb)	31	PCI Slot (PCI3, Black)
13	SATA2 Connectors (SATA2_4, Black)	32	PCI Slot (PCI2, Black)
14	SATA2 Connectors (SATA2_3, Black)	33	PCI Express 2.0 x16 Slot (PCIE3, Black)
15	SATA3 Connectors (SATA3_0, Gray)	34	PCI Slot (PCI1, Black)
16	SATA3 Connectors (SATA3_1, Gray)	35	PCI Express 3.0 x16 Slot (PCIE2, Black)
17	SATA2 Connectors (SATA2_2, Black)	36	PCI Express 2.0 x1 Slot (PCIE1, Black)
18	SATA2 Connectors (SATA2_5, Black)	37	Power Fan Connector (PWR_FAN1)
19	Chassis Speaker Header (SPEAKER1, Black)	38	Chassis Fan Connector (CHA_FAN1)
20	System Panel Header (PANEL1, Black)

ASRock Z77 Pro4 Motherboard