
3-6 Gigabit Ethernet/82543 PMC Installation and Use
J1 and J2 PCI Bus Connectors
343 C/BE1* GND 44
45 AD14 AD13 46
47 GND AD10 48
49 AD08 +3.3V 50
51 AD07 NC 52
53 +3.3V NC 54
55 NC GND 56
57 NC NC 58
59 GND NC 60
61 ACK64* +3.3V 62
63 GND NC 64
Table 3-4. J1 and J2 PCI Bus Connector Signal Definitions
Signal Definition
+3.3V +3.3 V power supply
+5V +5 V power supply
–12V –12 V power supply
+12V +12 V power supply
ACK64* Acknowledge 64-bit transfers
AD<31:0> PCI address lines
BUSMODE<4:1>* Indicates the presence of a card in a given slot and sets the logical
protocol of the bus
C/BE<3:0>* PCI bus command and byte enable control and status
CLK PCI I/O clock signals
DEVSEL* PCI device select signals
FRAME* PCI data block transfer control signal
GND Ground
GNT* PCI bus mastering grant signal
IDSEL Logical slot ID signal
Table 3-3. J2 PCI Bus Connector Pin Assignments (Continued)
Pin Signal Signal Pin