Acer M5400(G) manual Label Description

No	Label	Description	No	Label	Description
1	CPU Socket	AM3 938 socket for	2	PWR2	CPU Power
		CPU			connector
3	CPU_FAN	CPU fan power	4	DIMM	CONN,DIMM,DDRIII,
		header			1.5V,Blu,1mm,G/
					F,G,DIP-240
5	MB_ID1~2	GPIO connector	6	PWR1	M/B main power
					connector
7	SATA1~6	SATA data transfe	8	F_PANEL	Front panel switch/
		connector			LED
9	F_USB2~4	Card reader USB	10	F_USB1	Front panel USB
		headers			headers
11	SYS_FAN	SYS fan header	12	SPI	SPI header
?13	HBIOS_WP	BIOS write protect	14	CLR_CMOS	Clear CMOS jumpers
		header
15	SPDIF_OUT	SPDIF out header	16	F_AUDIO	Front panel audio
					header
17	PCI1	PCI socket	18	PCIE_1X1	PCIE_1x1 socket
19	PCIE_1X	PCIE_1x socket	20	PCI-E1_16X	PCIE_x16socket

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