User Manual
BCM91125E
04/27/05
B ro a d c o m C o r p o r a t i o n
Document
91125E-UM100-R
Product Overview
Page 1
S e c t i o n 1 : P ro d u c t O v e r v i ew
I
NTRODUCTION
The BCM91125E evaluation board is an evaluation platform for the BCM1125H processor. This user manual
provides information on how to get the BCM91125E evaluation board up and running quickly. This manual also
describes how to locate, configure, and observe the various connectors, switches, jumpers, and LEDs on the
BCM91125E, allowing software development and evaluation of the BCM1125H processor.
P
RODUCT
O
VERVIEW
The BCM91125E is a standard length PCI form factor board which can run in device mode on the PCI bus. It
can be used in a standard PCI slot with a PCI host, or stand alone. In stand-alone mode, power is provided
using a standard ATX type power supply. The BCM91125E block diagram is shown in Figure 1.
Figure 1: BCM91125E Block Diagram
The board contains 128MB of soldered down SDRAM. Both GMII ports are also brought out to standard
connectors on the side of board. It has one 8 bit wide HyperTransport interface which the user can access by
means of a standard connector. Another connector provides GPIO, generic bus address and data lines, and
an alternate use of one of the GMII ports. Either or both connectors can be used as an interface to a mezzanine
