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2 Sun Fire T1000 Server Service Manual • January 2006
Chip-Multitheaded (CMT) Multicore
Processor and Memory Technology
The UltraSPARC
®
T1 multicore processor is the basis of the Sun Fire T1000 server.
The UltraSPARC T1 processor is based on chip multithreading (CMT) technology
that is optimized for highly threaded transactional processing. The UltraSPARC T1
processor improves throughput while using less power and dissipating less heat
than conventional processor designs.
Depending on the model purchased, the processor has six or eight UltraSPARC
cores. Each core equates to a 64-bit execution pipeline capable of running four
threads. The result is that the 8-core processor handles up to 32 active threads
concurrently.
Additional processor components, such the
DDR2 memory controllers, L1 cache, L2
cache, and the Jbus I/O interface have been carefully tuned for optimal
performance.
shows the major components in the Sun Fire T1000 server.
FIGURE 1-2 Sun Fire T1000 Server Components
Performance Enhancements
The Sun Fire T1000 server introduces several new technologies with its sun4v
architecture and multicore, multithreaded UltraSPARC T1 multicore processor.
DIMMs
Fan tray
assembly
Hard disk drive
Power
supply
PCI-E socket
and slot
Motherboard and
chassis assembly
UltraSPARC T1
mullticore processor