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[ AMD GENERATIONS // IDENTIFIED CPU ]

AMD Phenom X4 9850 Black Edition

Agena B3 desktop quad-core, 2008; HD985ZXAJ4BGH. 2.5 GHz; 4 cores/4 threads; 2 MB L2 + 2 MB shared L3; AM2+; 125 W; DDR2.

Original functional schematic for AMD Phenom X4 9850 Black Edition, not a product photograph or pinout
MODEL-SPECIFIC LOCAL SCHEMATIC // NOT TO SCALE

MODEL IDENTIFICATION: AMD Phenom X4 9850 Black Edition. Match full model suffix, stepping and package to the physical item and cited documentation.

Recorded specifications

Cataloged modelAMD Phenom X4 9850 Black Edition
Era / familyAgena B3 desktop quad-core, 2008; HD985ZXAJ4BGH.
Model specifications2.5 GHz; 4 cores/4 threads; 2 MB L2 + 2 MB shared L3; AM2+; 125 W; DDR2.
CompatibilityAM2+ board/BIOS supports B3 and 125 W; verify VRM.
Variants / limitsB3 addressed original Phenom TLB erratum; Black Edition unlocked.

Compatibility and variants

  • AM2+ board/BIOS supports B3 and 125 W; verify VRM.
  • B3 addressed original Phenom TLB erratum; Black Edition unlocked.
  • Check system-vendor CPU support, board revision, firmware minimum, package, memory, cooling and power before installation; similar socket naming does not prove compatibility.

Service and archival notes

Record OPN/stepping, BIOS and VRM capacity.

Archive the complete marking/OPN/sSpec, stepping, physical condition, tested host revision, firmware, memory population, cooling, and test conditions. Distinguish published limits from measurements.

Sources & further reading

  1. Model identification/specification search — AMD Phenom X4 9850 Black EditionModel-level part identification and specification cross-reference.
  2. AMD technical archive — AMD Phenom X4 9850 Black Edition product familyAMD-authored processor data books and family specifications.
  3. AMD product-history reference — AMD Phenom X4 9850 Black EditionManufacturer history reference for product-family context.
  4. Retro Hardware Review — AMD Phenom X4 9850 Overclocking and BenchmarkIndependent video review; treat as supplementary context, not primary manufacturer documentation.

Use the matching manufacturer data sheet revision and platform vendor’s CPU list for final fit decisions.