Abit PX5 User Manual page 5

Introduction of PX5 Features
7. Multi I/O features
l Two Universal Serial Bus (USB) ports
l Four fast IDE channels (PIO mode 0~4, Ultra "DMA/33" and Bus
Master)
l One EPP/ECP parallel port and two 16550 serial ports
l Two floppy disk drive connectors (FDD) (360K, 720K, 1.2M, 1.44M
and 2.88M)
8. Other features
l Four ISA bus slots and four PCI bus slots
l Supports 3-MODE for a special Japanese floppy disk drive
l Supports two bootable hard disks--able to run two different operating
systems
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