
3-6
Gigabit Ethernet/82543 PMC Installation and Use
J1 and J2 PCI Bus Connectors
3
43
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