[ AMD K5 AND K6 PROCESSORS // IDENTIFIED CPU ]
AMD-K5 PR166
AMD K5 PR166 generation, 1996; rating differs from clock. PR166 rating; 116.7 MHz actual clock; 32 KB split L1; Socket 5/7 platform variants.
MODEL IDENTIFICATION: AMD-K5 PR166. Match full model suffix, stepping and package to the physical item and cited documentation.
Recorded specifications
| Cataloged model | AMD-K5 PR166 |
|---|---|
| Era / family | AMD K5 PR166 generation, 1996; rating differs from clock. |
| Model specifications | PR166 rating; 116.7 MHz actual clock; 32 KB split L1; Socket 5/7 platform variants. |
| Compatibility | Exact K5 code, BIOS and voltage regulator support; don't set voltage from K6 data. |
| Variants / limits | PR166 is performance rating, not 166 MHz; stepping/platform varies. |
Compatibility and variants
- Exact K5 code, BIOS and voltage regulator support; don't set voltage from K6 data.
- PR166 is performance rating, not 166 MHz; stepping/platform varies.
- 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 model code, voltage jumpers and BIOS recognition.
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
- Model identification/specification search — AMD-K5 PR166Model-level part identification and specification cross-reference.
- AMD technical archive — AMD-K5 PR166 product familyAMD-authored processor data books and family specifications.
- AMD product-history reference — AMD-K5 PR166Manufacturer history reference for product-family context.
- Ancient Electronics — AMD-K5 PR166 BuildIndependent 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.