MSI MS-99A1 - Jumper; NVM LAN Jumper: JNVM1, JNVM2, JNVM3, JNVM4, JNVM5; AT;ATX Select Jumper: JATATX1; I2 C Power Jumper: JI2 C1

2-14
Hardware Setup MS-99A1
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.
1 1
On: Enable
security and
the INVM lock
O󰘯: Disable
security and the
INVM lock
(Non-secure mode)
1 1
On: Enable
security and
the INVM lock
O󰘯: Disable
security and the
INVM lock
(Non-secure mode)
AT/ATX Select Jumper: JATATX1
This jumper allows users to select between AT and ATX power.
ATX
(Default)
AT
11
I2C Power Jumper: JI2C1
This jumper allows users to specify the operation voltage of the I2C Bus.
1 1
VCC3 3VSB_DS
(Default)