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SRAM (Static RAM): unlike DRAM, this type of RAM does not need to be refreshed in order to
prevent data loss. Thus, it is faster and more expensive.
SSI (Server System Infrastructure): Industry design specification for server baseboards and
systems. Encompasses full-AT-sized boards and related integrated items.
Standby mode: in this mode, the video and hard drives shut down; all other devices continue to
operate normally.
Striping: see RAID
UltraDMA-33/66/100/133 (aka ATA-133/100/66/33): a fast version of the original DMA channel.
UltraDMA is also called UltraATA. Without a proper UltraDMA controller, your system cannot take
advantage of higher data transfer rates of the new UltraDMA/UltraATA hard drives.
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.
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 shifts the processor over and down, guiding into the board and locking it into
place.
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