Jslow1: Slow Mode Booting Jumper; Jln1: Low Temperature Booting Jumper - MSI MEG Z490 ACE Quick Start Manual

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
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.
JSLOW1
Normal
(Default)
JLN1
Normal
(Default)
Enabled
(Please enable this jumper
during BIOS POST.)
Enabled
(Please enable this jumper
during BIOS POST.)
Overview of Components
25