Intel 9EJL4 manual IDE 1/2 IDE Hard-DiskConnector, JP1 CMOS Clear Jumper

Chapter 2

IDE 1/2 (IDE Hard-Disk Connector)

The motherboard has a 32-bit Enhanced PCI IDE and Ultra ATA66/100 controller that provides PIO mode 0~4, Bus Master, and Ultra ATA66/100 function. This connector is used for connecting 40 pins of ATAPI devices.

IDE 1 only connects two IDE devices. (Primary Master/Slave) IDE 2 only connects two IDE devices. (Secondary Master/Slave)

JP1 (CMOS Clear Jumper):

Pin	Definition
1-2	Normal (default)
2-3	Clear CMOS Data

There is a CMOS RAM on board that has a power supply from external battery to keep the data and system configuration. To clear the contents of the CMOS, please follow the steps below.

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