IBM 8676 Hardware Maintenance Manual - Page 50

System-board, switches, jumpers

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System-board switches and jumpers The following illustration shows the location of the switches and jumper blocks on the system board. Any jumper blocks on the system board that are not shown in the illustration are reserved. See "Recovering the BIOS code" on page 27 for information about the flash ROM page-swap jumper. NMI switch Flash ROM jumper (J38) Light Path Diagnostics panel test (SW1) Video disable jumper (J9) PCI/PCI-X jumper (J12) Password override jumper (J28) Note: The PCI/PCI-X jumper (J12) is used to manually switch PCI-X slot 1 between PCI-X bus B and PCI bus C. 40 xSeries 335 Type 8676, Type 8830: Hardware Maintenance Manual and Troubleshooting Guide

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System-board
switches
and
jumpers
The
following
illustration
shows
the
location
of
the
switches
and
jumper
blocks
on
the
system
board.
Any
jumper
blocks
on
the
system
board
that
are
not
shown
in
the
illustration
are
reserved.
See
“Recovering
the
BIOS
code”
on
page
27
for
information
about
the
flash
ROM
page-swap
jumper.
Flash ROM
jumper (J38)
Video disable
jumper (J9)
PCI/PCI-X
jumper (J12)
Password
override
jumper (J28)
Light Path
Diagnostics
panel test
(SW1)
NMI switch
Note:
The
PCI/PCI-X
jumper
(J12)
is
used
to
manually
switch
PCI-X
slot
1
between
PCI-X
bus
B
and
PCI
bus
C.
40
xSeries
335
Type
8676,
Type
8830:
Hardware
Maintenance
Manual
and
Troubleshooting
Guide