IBM Flex System x440 Compute Node - Page 33

Switch number Description Switch setting Definition
U9020-3 FPGA mux enable The default position is
Open.
Changing this switch
to the closed position
to enable the FPGA
MUX keyboard
controls
U9020-4 Future use only
U9020-5,
U9020-6
Selecting dongle serial
port MUX (U9812)
Closed, Closed
Open, Closed
Closed, Open
Open, Open
BE3-1 TX/RX
RTMM TX/RX
IMM TX/RX
SIO TX/RX
U9020-7,
U9020-8
Selecting dongle serial
port MUX (U9811)
Closed, Closed
Open, Closed
Closed, Open
Open, Open
BE3-2 TX/RX
FPGA TX/RX
IMM TX/RX
SIO RTS/CTS
Chapter 1. Introduction 21