Foxconn NF4UK8AA series User Manual page 30

Warning:
1. Disconnect the power cable before adjusting the jumper
settings.
2. DO NOT clear the CMOS while the system is turned on.
BIOS TBL ENABLE Jumper: JP1
The system cannot boot, if the BIOS failed to be
flashed in conventional flash BIOS process. You
will have no such worry when using the BIOS TBL
function, which is used to protect BIOS "Top Boot
Block". By using this function, the system still can
boot even if the flash BIOS fails and show some
information to recover the BIOS. To utilize this
function, you just leave this jumper as default (short
pin 2 and 3 with the jumper cap).
ROM TABLE SELECT Jumper: J1B1
This jumper is used to select between a user table
and a safe table for booting initialization parameters.
Warning:
The following four jumpers set only for technical support. We
strongly recommend that users not make any change to
these jumpers, otherwise it may cause serious damage to
the board. The function descriptions herein are just for your
reference only.
Termination Enable Jumper: J3A2
This jumper is used to enable or disable internal
differential termination for PCI Express reference
clock input pins.
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Chapter 2 Installation Instructions
BIOS TBL
Enabled
(Default)
BIOS TBL
Disabled
BIOS TBL ENABLE Jumper
User mode
boot init
table
Safe mode
boot init table
(Default)
ROM TABLE SELECT Jumper
Termination
disabled
Termination
enabled
(Default)
Termination Enable Jumper