Table 1: Connector Descriptions; Figure 3: Connector Callouts - Broadcom BCM91250E User Manual

BCM91250E
C
ONNECTORS
Figure 3 shows the board and identifies connectors numerically. For a description of each connector callout,
compare Figure 3's number callouts with Table 1.
The following table shows the BCM91250E connectors.
Board ID
J2
J3
J8
J11
J12
J14
J15
J17
J18
J19
J20
J21
J22
J23A
J23B
J63
* = Pin1 located by viewing the back of the board for the square solder pad.
Page 6 Connectors

Figure 3: Connector Callouts

Table 1: Connector Descriptions

Description
Dual-sided 62-pin edge finger PCI connector.
HyperTransport socket for motherboards (see Table 2 on page 7).
Serial port 0 RS-232 connector.
ROM emulator connector (see Table 4 on page 11).
ROM emulator write line (pin1* = IO_WR_L, pin2 = no connect).
DEBUG_L trigger for scope (pin1* = GND, pin2 = DEBUG_L).
EJTAG connector.
Mezzanine connector (see Table 3 on page 9).
1.2V core supply sense (pin1* = GND, pin2 = 1.2V).
Standard hard drive power supply connector.
1.2V HyperTransport supply sense (pin1 = GND, pin2 = 1.2V).
2.5V supply sense (pin1* = GND, pin2 = 2.5V).
3.3V supply sense (pin1* = GND, pin2 = 3.3V).
10/100/1000 Mbps Ethernet Port E1.
10/100/1000 Mbps Ethernet Port E0.
12V Heatsink/Fan Power (pin1* = 12V, pin2 = GND).
B roadc om C or por ati on
User Manual
01/07/05
Document 91250E-UM100-R