CHAINTECH 9EJL4 User Manual page 14

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):
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.
10
Pin Definition
1-2 Normal (default)
2-3 Clear CMOS Data