Sun Microsystems Sun Fire V490 - Manual (Page 143)

Chapter 6 Diagnostic Tools 115
NVRAM IDPROM IDPROM, located on
PCI riser board
OBP Refers to OpenBoot firmware N/A
PDB Power Distribution Board Power distribution
board
PMC Power Management Controller PCI riser board
POST Power-On Self-Test N/A
RIO Multifunction integrated circuit bridging the PCI
bus with EBus and USB PCI riser board
RTC Real-Time Clock PCI riser board
RX Receive – Communication protocol Centerplane
Safari The system interconnect architecture—that is, the
data and address buses CPU/Memory board,
centerplane
Schizo System bus to PCI bridge integrated circuit Centerplane
Scan A means for monitoring and altering the content
of ASICs and system components, as provided for
in the IEEE 1149.1 standard N/A
SIO SuperIO integrated circuit – Controls the SC
UART port and more PCI riser
TX Transmit – Communication protocol Centerplane
UART Universal Asynchronous Receiver Transmitter –
Serial port hardware Centerplane, PCI riser
board, SC card
TABLE 6-13 Abbreviations or Acronyms in Diagnostic Output (Continued)
Term Description Associated FRU(s)