Sun Microsystems Sun Fire V440 Diagnostics And Troubleshooting Manual page 70

TABLE 2-15
Term
JTAG
MAC
MII
NVRAM
OBP
PHY
POST
RTC
RX
Scan
Southbridge
Tomatillo
TX
UART
UIE
XBus
52 Sun Fire V440 Server Diagnostics and Troubleshooting Guide • July 2003
Abbreviations or Acronyms in Diagnostic Output (Continued)
Description
Joint Test Access Group – An IEEE subcommittee
standard (1149.1) for scanning system components
Media Access Controller – Hardware address of a
device connected to a network
Media Independent Interface – Part of the
Ethernet controller
Refers to the system configuration card (SCC)
Refers to OpenBoot firmware
Physical Interface – Part of the Ethernet control
circuit
Power-On Self-Test
Real-Time Clock
Receive – Communication protocol
A means for monitoring and altering the content
of ASICs and system components, as provided for
in the IEEE 1149.1 standard
Integrated circuit that controls the ALOM UART
port and more
System bus to PCI bridge integrated circuit
Transmit – Communication protocol
Universal Asynchronous Receiver Transmitter –
Serial port hardware
Update-ended Interrupt Enable – A function
provided by the real-time clock
A byte-wide bus for low-speed devices
Associated FRU(s)
Not applicable
Motherboard
Motherboard
System configuration
card
Not applicable
Motherboard
Not applicable
Motherboard
Motherboard
Not applicable
Motherboard
Motherboard
Motherboard
Motherboard, ALOM
card
Motherboard
Motherboard