ATP8620 is a 2ch-SATA /1ch-IDE controller with PCI-X interface. It can connect up to 4 devices at the same time, 2 SATA devices and 2 IDE/ATAPI devices. With its 32-bit PCI-X interface, it can easily with any MCU or CPU with PCI/PCI-X interface to form a powerful subsystem connecting high speed SATA 1.5G storage devices and low cost IDE 133MB/s HDDs and ODDs (optical disc drive). The excellent compatibility of ATP8620 with ATAPI ODDs can be applied to build a HBA with both SATA and IDE interface on it.