PEX 8619BA Base Board RDK Hardware Reference Manual – Version 1.0
Copyright © 2008 by PLX Technology, Inc. All rights reserved
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Table 8. Functional Descriptions of SW3, SW6, SW13-SW14
Name
Function
Settings
SW3 Upstream
Port
Selects
UPSTR_PSEL[3:0]
Port #
on,on,on,on 0
on,on,on,off 1
on,on,off,on 2
on,on,off,off 3
on,off,on,on 4
on,off,on,off 5
on,off,off,on 6
on,off,off,off 7
off,on,on,on 8
off,on,on,off 9
off,on,off,on 10
off,on,off,off 11
off,off,on,on 12
off,off,on,off 13
off,off,off,on 14
off,off,off,off 15
SW6
Other Mode Selects
1. SSC_ISO_EN_n : on: enable the Spread Spectrum
Clocking (SSC) crossing, off: disable it, default is disable
SSC crossing function
2. PP_PYPASS_n: for PLX use only
3: GEN 1_N: for PLX use only
4. FAST_BRINGUP_n: for PLX use only
Default: 1-4: off,off,off,off
SW13
Users Define Mode Switches
1. UMODE3
2: UMODE2
3. UMODE1
4: UMODE0
Default: 1-4: off,off,off,off
SW14
Users Define Mode Switches
1. UMODE7
2: UMODE6
3. UMODE5
4: UMODE4
Default: 1-4: off,off,off,off
4.2
Push-Button Switches
4.2.1
Manual Reset# (S1)
The RDK provides a manual switch (S1) for manual PERST# capability. Note that manual PERST# will only apply
warm reset to the PEX 8619 as well as PCI Express SLOT 1 to SLOT 15.
4.2.2
FPGA Manual Reset# (S2)
This momentary switch (S2) provides manual reset to the FPGA (U115) on the RDK.