Glossary-4 Sun Ultra 45 and Ultra 25 Workstations Service and Diagnostics Manual • May 2006
I
I
2
C Inter-integrated circuit. A chip-to-chip serial bus.
IChip2 Interrupt concentrator chip.
IEEE Institute of Electrical and Electronics Engineers, Inc. The organization
establishes standards for some computers and electrical components.
IEEE 1394 A high-speed communications protocol.
I/O Input/output.
I-TLB Instruction translation look-aside buffer.
J
JIO The input/output bridge chip that uses the Jbus architecture.
JBus The system bus developed for the UltraSPARC IIIi series of processors.
K
Kbyte (KB) Kilobyte. 1024 bytes of data.
L
L2 cache Level 2 cache.
LAN Local area network.
leaf Any node (location in a tree structure) that is farthest from the primary node.
LED Light-emitting diode.
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