AIMB-270 User Manual 12
2.1 Introduction
You can access most of the connectors from the top of the board as it is being
installed in the chassis. If you have a number of cards installed or have a packed
chassis, you may need to partially remove the card to make all the connections.
2.2 USB Ports (LAN1_USB12/LAN2_USB34/USB56/
USB78)
The AIMB-270 provides up to eight USB ports. The USB interface complies with USB
Specification Rev. 2.0 supporting transmission rate up to 480 Mbps and is fuse pro-
tected. The USB interface can be disabled in the system BIOS setup.
The AIMB-270 is equipped with one high-performance 1000 Mbps Ethernet LAN
adapter, and one 100 Mbps LAN adapter, both of which are supported by all major
network operating systems. The RJ-45 jacks on the rear panel provide for convenient
LAN connection.
Table 2.1: LAN LED Indicator
LAN Mode LAN Indicator
LAN1 indicator
LED1 (Right) off for mal-link; Link (On) / Active (Flash)
LED2 (Left) 100 Mbps (On) / 10 Mbps (Off)
LED2 (Left) 1000 Mbps (On)
LAN2 indicator
LED1 (Right) off for mal-link; Link (On) / Active (Flash)
LED2 (Left) 100 Mbps (On) / 10 Mbps (Off)
LED2 (Left) 1000 Mbps (On)
1
2
3
4
LAN1_USB12 LAN2_USB34
