Jumper; Nvm Lan Jumper: Jnvm1, Jnvm2, Jnvm3, Jnvm4, Jnvm5; At/Atx Select Jumper: Jatatx1; I2C Power Jumper: Ji2C1 - MSI MS-99A1 User Manual

Hardware Setup

Jumper

Important
Avoid adjusting jumpers when the system is on; it will damage the motherboard�

NVM LAN Jumper: JNVM1, JNVM2, JNVM3, JNVM4, JNVM5

Use this jumper to specify the operation of LAN.

AT/ATX Select Jumper: JATATX1

This jumper allows users to select between AT and ATX power.

I2C Power Jumper: JI2C1

This jumper allows users to specify the operation voltage of the I2C Bus.
2-14
1 1
On: Enable Off: Disable
security and security and the
the INVM lock INVM lock
(Non-secure mode)
1 1
On: Enable Off: Disable
security and security and the
the INVM lock INVM lock
(Non-secure mode)
1
ATX
(Default)
1
VCC3
1
AT
1
3VSB_DS
(Default)