Acer Aspire M3900 - Page 70

62 Chapter 5
No Label Description No Label Description
1 CPU Socket "CONN,Socket,IntelPres
cottCPU,LGA-
775P,10u,G,SMD"
11 1394A1 Onboard 1394a header
2 CPU_FAN CPU fan power header 12 SPDIF_OUT1
~2
SPDIF out header
3 DIMM1~4 "CONN,DIMM,DDRIII,1.
5V,V/T,Blu,15u,G,DIP-
240"
13 F_AUDIO Front panel audio header
4 GPIO1~2 General Purpose Input/
Output headers
14 PCI1~2 32-bit add-on card slots
5ATX_POWER
1
M/B main power
connector
15 SPI_ROM SPI_ROM header
6 ME_DISABLE Front panel USB header 16 PCIEx1-1 PCIEx 1 socket
7 SATA1~6 SATA data transfe
connectors
17 PCIE1 PCIEx 16 socket
8 F_PANEL Front panel audio header 18 ATX12V1 4-pin +12V power
connector
9 F_USB1~4 Front panel USB
headers
19 SYS_FAN System cooling fan
connector
10 CLR_CMOS Clear CMOS jumper