User manual

25 Chapter 2
2.15 Serial ATA Interface (SATA0 and SATA2)
In addition to the one EIDE interfaces (up to two devices), the PCA-6009
provides two high performance serial ATA interfaces (up to 150MB/s)
which eases cabling to hard drives with thin and long cables.
2.16 Auxiliary 4-pin Power Connector (ATX1)
To ensure the sufficiency of power supply for PentiumĀ® 4 single board
computer, one auxiliary 4-pin power connector is available on PCA-
6009. This connector must be connected to the power supply, otherwise
the system may become unstable.