AIMB-503 User Manual 14
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_USB45/LAN2_USB12/USB3/
USB67/USB89/USB1011)
The AIMB-503 provides up to 11 USB ports. The USB interface complies with USB
Specification Rev 2.0 supporting transmission rates up to 5G/480 Mbps. The USB
interface can be disabled in the system BIOS setup.
The AIMB-503 is equipped with two high-performance 1000 Mbps Ethernet LAN
adapters, both of which are supported by all major network operating systems. The
RJ-45 jacks on the rear panel provides 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)
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