IEI Integration IMB-Q354 v1.10 - Manual (Page 189)

IMB-Q354 microATX Motherboard
Page 189
UHCI The Universal Host Controller Interface (UHCI) specification is a
register-level interface description for USB 1.1 Host Controllers.
USB The Universal Serial Bus (USB) is an external bus standard for
interfacing devices. USB 1.1 supports 12Mbps data transfer rates, while
USB 2.0 supports 480Mbps data transfer rates.
VGA The Video Graphics Array (VGA) is a graphics display system developed
by IBM.