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Jumpers and Connectors • 27
(5) ENUM# is connected to a BIOS programmable circuitry then
connected to IRQ 3 or IRQ 9 according to the hardware configuration.
There is a BIOS setting to Enable/Disable this ENUM# function. The
default BIOS setting is Disabled and the factory default hardware
configuration is IRQ 9. To support PICMG 2.1 Hot Swap for
peripheral boards, backplane should bus all peripheral slots ENUM#
together to system slot. And customer should enable ENUM#
function in cPCI-6760DK/P5 BIOS setting. (When R283 and R284
are installed with 0-ohm resistors, ENUM# is routed through IRQ9. If
R283, R284 are removed and R281 and R282 are installed with
0-ohm resistors, ENUM# is routed through IRQ3.)
(6) M66EN is tied to ground. PCI bus just can run in 33MHz.
(7) In backplane, BDSEL must tie to ground to enable “self-hot-swap”
controller.
(8) IDSEL are tied to ground.
2.1.15 LAN Port Indicators (Integrated in LAN1 (CN6) and LAN2
(CN7))
Amber LED
10/100Mbps Status
Description
OFF 10Mbps transfer rate
ON 100Mbps transfer rate
Table 17: Amber LED indication in LAN port
Green LED
Link/Activity Status
Description
OFF No link
ON Connecting
Blinking Active/Data transfering
Table 18: Green LED indication in LAN port
Green LED
Amber LED