User manual

AIMB-556 User Manual 8
CPUFAN1 CPU FAN connector (3-pin)
SYSFAN1 System FAN connector (3-pin)
CHAFAN2 Chassis FAN connector (3-pin)
LANLED1 LAN1/2 LED extension connector
AUDIO1 Audio connector
CN1 CD_IN Connector
HD1 HD Audio Front Panel Pin Header
USB56 USB port 5, 6
USB78 USB port 7, 8
SA1 Serial ATA1
SA2 Serial ATA2
SA3 Serial ATA3
ATX1 ATX 12 V auxiliary power connector (for CPU)
ATX2 ATX 24-pin main power connector (for System)
PCIE-16X1 PCIE x16 Slot 1
PCIEX-4X1 PCIE x4 Slot 1
PCIE_SW1
PCIE x4 Slot 1 via 1 x PCIE_4 (ON)
PCIE x4 Slot 1 via 4 x PCIE_1 (1-2)
SPI_CN1 SPI flash update connector
SPI_CS_CN1
SPI flash selection default (1-2), 1-2: SPI1 (U17)
2-3: SPI2 (U47)
PCI1 PCI Slot 1
PCI2 PCI Slot 2
BAT1 Battery Connector
SP1 Buzzer
CPU1 CPU Socket
DIMMA1 Memory connector channel A
DIMMB1 Memory connector channel B
Table 1.2: Connector/Jumper list
Label Function