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AMD Opteron MP 800 series processor (Athens)


Model name: Opteron MP 800 series.
Code name: Athens.
Supplier: AMD.
Component class: CPU.


Generation: K8.

AMD Opteron processor (front and back). [AMD]

AMD Opteron processor


64 bit technology: AMD64.

Multimedia instruction sets: MMX, Enhanced 3DNow!, SSE, SSE2, SSE3.


L1 cache: 64 kbyte instruction cache, 64 kbyte data cache (Harvard architecture).
L2 cache: 1 Mbyte.


128 bit (dual-channel), 200 MHz, Registered DDR memory controller: max. 16 x 512 Mbyte = 8 Gbyte (8 x 1 Gbyte double-sided PC3200R memory module).

1000 MHz HyperTransport bus.

Memory protection: NX bit (Enhanced Virus Protection, EVP).


Multi-processor support: up to eight processors.


Clock speed

Clock speed Model Multiplier Power dissipation Introduction Order part numbers
200/1600 MHz AMD Opteron 842 CPU 8 85.3 W TDP December 2004 OEM (stepping E4): OSA842FAA5BM,
PIB (stepping E4): OSA842BMWOF
200/1800 MHz AMD Opteron 844 CPU 9 85.3 W TDP December OEM (stepping E4): OSA844FAA5BM,
PIB (stepping E4): OSA844BMWOF
200/2000 MHz AMD Opteron 846 CPU 10 stepping D4: 67.0 W TDP;
stepping E4: 85.3 W TDP
December 2004 OEM (stepping D4): OSA846FIK5BD,
OEM (stepping E4): OSA846FAA5BM,
PIB (stepping E4): OSA846BMWOF
200/2200 MHz AMD Opteron 848 CPU 11 85.3 W TDP December 2004 OEM (stepping E4): OSA848FAA5BM,
PIB (stepping E4): OSA848BMWOF
200/2400 MHz AMD Opteron 850 CPU 12 85.3 W TDP December 2004 OEM (stepping E4): OSA850FAA5BM,
PIB (stepping E4): OSA850BMWOF
200/2600 MHz AMD Opteron 852 CPU 13 92.6 W TDP February 2005 OEM (stepping E4): OSA852FAA5BM,
PIB (stepping E4): OSA852BMWOF
200/2800 MHz AMD Opteron 854 CPU 14 92.6 W TDP August 2005 OEM (stepping E4): OSA854FAA5BM,
PIB (stepping E4): OSA854BMWOF
200/3000 MHz AMD Opteron 856 CPU 15 92.6 W TDP April 2006 OEM (stepping E4): OSA856FAA5BM,
PIB (stepping E4): OSA856BMWOF

AMD Opteron 842 processor (Processor-In-a-Box, Without Fan). [AMD]

AMD Opteron 842 processor



  • step level D4: 1.40 V,
  • step level E4: 1.35-1.40 V.

Manufacturing process: 90 nm.

Number of transistors: 114 million.

Die size: 115 mm2.

Packaging: Socket 940.

Step level


Step levels: D4, E4.

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