J1 and J2 PCI Bus Connectors
Gigabit Ethernet/82543 PMC Installation and Use 3-3
3
Note: Based on current errata to the Intel 82543GC Gigabit Ethernet
Controller Datasheet/Developer’s Manual (OR-2403), the 82543GC
Ethernet controller:
❏Requires that auto-negotiation be enabled for 1000 Mb/s
operation
❏Can operate at 1000 Mb/s only in full-duplex mode
J1 and J2 PCI Bus Connectors
Table 3-2 on page 3-4 and Table 3-3 on page 3-5 identify the 32-bit J1 and
J2 PCI bus connector pin assignments, respectively. Table 3-4 on page 3-6
defines the signals associated with the connector pins.
Note: An asterisk (*) in a signal name indicates that the signal is active
low.
100 100 Mb/s A green LED. ON indicates 100 Mb/s
mode is selected and a CD signal has been
detected.
1000 1000 Mb/s A green LED. ON indicates 1000 Mb/s
mode is selected and a CD signal has been
detected.
ENET Connector A standard RJ–45 connector.
Table 3-1. Bezel Connector and LEDs (Continued)
Label Component Description