Oc_Rt1: Oc Retry Jumper; Oc_Fs1: Oc Force Enter Bios Jumper; Jslow1: Slow Mode Booting Jumper; Jln1: Low Temperature Booting Jumper - MSI MEG Z390 ACE Quick Start Manual

OC_RT1: OC Retry Jumper

You can connect a button to this jumper. When you press and hold this button, the
system will keep retrying OC items until it boot up successfully.

OC_FS1: OC Force Enter BIOS Jumper

You can connect a button to this jumper. When you press this button, the system will
be forced into BIOS without showing the OC-FAIL message.

JSLOW1: Slow Mode Booting Jumper

This jumper is used for LN2 cooling solution, that provides the extreme overclocking
conditions, to boot at a stable processor frequency and to prevent the system from
crashing.

JLN1: Low Temperature Booting Jumper

This jumper is used for liquid nitrogen cooling system to boot at an extreme low
temperature. Try to set it Enabled to increase the boot success rate.
Important
Users will try extreme low temperature overclocking at their own risks. The
y
overclocking results will vary according to the CPU version.
Please don' t set to Enabled when power-off or the system will be un-bootable.
y
OC_FS1
Normal
(Default)
OC_RT1
Normal
(Default)
JSLOW1
Normal
(Default)
JLN1
Normal
(Default)
Force enter BIOS
Retry OC
Enabled
(Please enable this jumper
during BIOS POST.)
Enabled
(Please enable this jumper
during BIOS POST.)
Overview of Components
37