PEX 8624-AA RDK Hardware Reference Manual – Version 1.1
Copyright © 2010 by PLX Technology, Inc. All rights reserved
14
3. On-Board Connectors, Switches, and Jumpers
3.1 DIP
Switches
The PEX 8624-AA RDK contains nine user controllable DIP switches (SW1-SW9) for selecting the slot ID for the
serial hot-plug, enable/disable Hot-Plug signals, enable/bypass the serial hot-plug and parallel hot-plug, upstream
port select, port configuration, NT upstream port select, I
2
C address settings and test mode settings. The
dipswitches are presented following the orientations shown in
Figure 3-1
.
3.1.1
Slot ID Selection (SW1)
Figure 3-1. Switch SW1 Default Settings
Switch SW1 is used to set the slot ID for the PCI Express SLOT 2. Users can select one of 16 combinations.
3.1.2
Serial Hot-Plug Signal and Control (SW2)
Figure 3-2. Switch SW2 Default Settings
Table 3-1. Switch SW2 Description
SW2 Functional Description
Switch Position Settings
Enable/bypass SERIAL HOT-
PLUG outputs to generate
power, RefClk and PERST#, to
connector SLOT 2
Position 2
ON: enable SERIAL HOT-PLUG outputs to generate power, RefClk and
PERST# to SLOT 2
OFF: bypass SERIAL HOT-PLUG and still provide power, RefClk and PERST#
to SLOT 2
Enable/disable MRL#_S at
Serial Hot-Plug
Position 1
ON: enable MRL#_S
OFF: disable MRL#_S
Summary of Contents for PEX 8624-AA RDK
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