Features chipset: VT6421 Standalone PCI to Serial ATA host controller chip Compliant with PCI Specification, revision 2.3. Compliant with Programming Interface for Bus Master IDE Controller,
revision 1.0. Driver support for Windows 98, Windows Millennium, Windows NT 4.0,
Windows 2000, XP Supports up to 4Mbit external FLASH or EPROM for BIOS expansion. Supports an external EEPROM, FLASH or EPROM for programmable device
ID, subsystem vendor ID, subsystem product ID and PCI sub-class
code. Supports the Silicon Image specific driver for special chip
functions. Supports Plug and Play. Supports ATAPI device