MSI E7230 User Guide - Page 35

LAN Disable/Enable Jumpers: J5, J8, BIOS Write Protect Jumper: J2

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Page 35 highlights

Hardware Setup BIOS Write Protect Jumper: J2 A "boot block" program is included as part of the system BIOS to recover the system from a situation when the BIOS code is incorrect/corrupted or needs to be updated. W hen the BIOS code is corrupted or needs to be updated, you have to at first disable the write protect function by shorting 1-2 pin of the J2 jumper. Then the boot block will try to recover the BIOS code, usually by reading it from a specially-prepared floppy disk. Under normal operation, we suggest that you enable the write protect function by shorting 2-3 pin of the J2 jumper to protect the boot block from virus infection. 3 1 J2 3 1 Disable Write Protect 3 1 Enable Write Protect LAN Disable/Enable Jumpers: J5, J8 The J5 jumper is used to enable/disable the onboard LAN1 controller while the J8 is used to control the onboard LAN2 controller. J5 1 3 1 Enable LAN1 3 1 Disable LAN1 1 1 1 J8 3 3 Enable LAN2 Disable LAN2 2-21

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Hardware Setup
LAN Disable/Enable Jumpers: J5, J8
The J5 jumper is used to enable/disable the onboard LAN1 controller while the J8 is
used to control the onboard LAN2 controller.
J8
1
J5
1
Disable LAN2
Enable LAN2
1
3
1
3
Disable LAN1
Enable LAN1
1
3
1
3
BIOS Write Protect Jumper: J2
A "boot block" program is included as part of the system BIOS to recover the system
from a situation when the BIOS code is incorrect/corrupted or needs to be updated.
When the BIOS code is corrupted or needs to be updated, you have to at first disable
the write protect function by shorting 1-2 pin of the J2 jumper. Then the boot block will
try to recover the BIOS code, usually by reading it from a specially-prepared floppy
disk.
Under normal operation, we suggest that you enable the write protect function by
shorting 2-3 pin of the J2 jumper to protect the boot block from virus infection.
Disable Write Protect
1
3
Enable Write Protect
1
3
J2
1
3