INSTALLATIONS
MB990 User’s Manual 15
Connectors on MB990
Connector Locations on MB990 ......................................................16
CN3: COM1 and COM2 Serial Ports ...............................................17
CN5: DVI-D and HDMI Connector.................................................17
CN6: USB3.0 Connector .................................................................18
CN2: Display Port Connector...........................................................18
CN8: Gigabit LAN (Intel I219LM) + USB 0/1.................................18
CN7: Gigabit LAN (Intel I211AT) + USB 2/3..................................18
CN4: HD Audio Connector..............................................................18
CN9, CN10, CN11, CN12, CN13, CN14: SATA Connectors...........18
J1: Audio Pin Header for Chassis Front Panel...................................18
J2: SPDIF I/O..................................................................................19
ATX_12V_2X1: ATX 12V Power Connector..................................19
J9, J8, J6, J4: COM3~COM6 RS232 Serial Ports.............................20
J7: Mini PCI-E Connector(PCI-E X1 only) ......................................20
J13, J16: USB2.0 Connectors...........................................................20
J21, J23: USB3.0 Connectors...........................................................21
J10: Digital I/O ................................................................................21
J22: Front Panel Function Connector ...............................................22
J18: SPI Flash Connector (Factory use only)....................................22
J24: ATX Power Supply Connector .................................................23
CPU_FAN1: CPU Fan Power Connector.........................................23
SYS_FAN1: System Fan1 Power Connector....................................24
SYS_FAN2: System Fan2 Power Connector....................................24
J11: ACPI Status LED.....................................................................25
PCIE1: PCI-E X16 Slot...................................................................25
PCIE4: PCI-E X8 Slot (PCI-E X4)..................................................25
PCIE3: PCI-E X4 Slot (PCI-E X1)..................................................26
PCIE2: PCI-E X1 Slot .....................................................................26
PCI1-PCI3: PCI 32-bit Slot..............................................................26