
Microprocessor Forum 2002 3
AMD Opteron™ Processor
Technology Overview
•Processor C ore Overview
– Support for AMD’s 64-bit technology
– 12-stage int, 17-stage fp pipelines
– Enhanced TLB structures
– TLB flush filter
– Enhanced bran ch prediction
– Large L2 cache (up to 1MB)
– ECC protection
•Memory Cont ro ller Over vi ew
– Dual-channel DDR memory
– PC2700, PC2100, or PC1600 DDR memory support
– Registered or Un buffered DIMMs
– ECC and Chip Kill
– High bandwidth (up to 5.3GB/s)
•HyperTransport™ Technology Overview
– One, two, or three links
– 2, 4, 8, 16, or 32-bits full duplex
– Up to 6.4 GB/s bandwidth per link
– 19.2 GB/s aggregate bandwidth
HT = HyperTranspo rt™ technology
XBAR
HT
HT
HT
MCT CPU
SRQ
DRAM