Guaranteed compatible upgrades for:

Tyan Computers Tomcat Motherboard K8S (S2850)

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System Specifications
Maximum Memory:
  • 6GB using DDR400
  • 8GB using DDR266 or DDR333
  • 4 Sockets (2 banks of 2)
Standard Memory:
  • 0MB (Removable)
  • AMD Opteron AMD 8000 Series
Bus Architecture:
  • PCI-X
Mfr's System P/N's:
  • S2850; S2850G2N
Upgrade Path:
  • Virtually any configuration up to 8GB can be reached using 512MB, 1 and 2GB modules IN PAIRS.
  • Per Tyan, DDR400 is only supported with Opteron 145/245 C-stepping CPU and above.
  • At DDR400, this motherboard has a limitation of SIX ranks.
  • Six ranks is achieved with two Dual Rank DIMMs plus two Single Rank DIMMs.
  • Mixing x4 and x8 modules is allowed, however not within the same bank.
  • If featured, Chipkill technology is supported with x4 modules only.
  • KRX3200K2/xx parts have a timing of 3-3-3 (AMD approved)
  • KRX3200AK2/xx parts have a timing of 2.5-3-3