TYAN S5393 Manual page 72

USB (Universal Serial Bus): a versatile port. This one port type can function as a serial,
parallel, mouse, keyboard or joystick port. It is fast enough to support video transfer, and is
capable of supporting up to 127 daisy-chained peripheral devices.
VGA (Video Graphics Array): the PC video display standard
V-SYNC: controls the vertical scanning properties of the monitor.
ZCR: Zero Channel RAID. PCI card that allows a RAID card to use the onboard SCSI chip,
thus lowering cost of RAID solution
ZIF Socket (Zero Insertion Force socket): these sockets make it possible to insert CPUs
without damaging the sensitive CPU pins. The CPU is lightly placed in an open ZIF socket,
and a lever is pulled down. This shift the processor over and down, guiding into the board and
locking it into place.
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