Broadcom BCM91125F, User Manual

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User Manual BCM91125F
02/18/04
B ro a d c o m C o r p o r a t i o n
Document 91125F-UM100-R Connectors Page 5
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 .
Figure 3: Connector Callouts
The following table shows the BCM91125F connectors.
Table 1:
Connector Descriptions
Board ID Description
J2 *** Dual-sided 62-pin edge finger PCI connector.
J8 Serial port 0 RS-232 connector.
J14 DEBUG_L trigger for scope (pin1 * = GND, pin2 = DEBUG_L).
J15 EJTAG connector.
J18 1.2V core supply sense (pin1 ** = GND, pin2 = 1.2V).
J19 *** Standard hard drive power supply connector.
J23A 10/100/1000 Mbps Ethernet Port E1.
J21 2.5V supply sense (pin1 ** = GND, pin2 = 2.5V).
J22 3.3V supply sense (pin1 ** = GND, pin2 = 3.3V).
J23B 10/100/1000 Mbps Ethernet Port E0.
J24 *** 5V power supply jack.
* = Pin1 located by viewing the back side of the board for the square solder point.
** = Pin1 located by viewing the front of the board for the square solder pad.
*** = Important: Use only one of the three available power supplies.