Asus AP2400R-E1 - Manual (Page 64)

Chapter 4: Motherboard information 4-6
3. Gigabit LAN1 controller setting (3-pin 1GLAN_EN)
This jumper allows you to enable or disable the 64-bit Intel ® 82544GC
Gigabit LAN controller. Setting this jumper to pins 2-3 disables the
Gigabit LAN port (RJ-45) on the rear panel that corresponds to this
controller.
PR-DLS533
PR-DLS533 1G LAN Setting
1G LAN_EN
Enable Disable
(Default)
4. SCSI setting (2-pin SCSI_EN)
This jumper allows you to enable or disable the onboard SCSI feature.
Keep the jumper open if you wish to install SCSI devices. Place a cap
on the jumper to disable the onboard SCSI controller.
PR-DLS533
SCSI_EN
PR-DLS533 SCSI Setting
(Default)
Enable Disable