used in accordance with the instructions, may cause harmful interface to .. P55C Processor (MMX), CYRIX 6x86 ~P200+ / 6x86MX (M2) . AMD-K6-PR300. USER'S MANUAL. Support Intel Pentium, MMX, Cyrix/IBM, 6x86MX, MII, AMD K6, .. -PR300(66*3.5. 2.9V). X. X. X. O. X. X. O. X. 2-3 2-3 2-3 1-2. 46. Cyrix M? ?. Support Intel Pentium, MMX, Cyrix/IBM 6x86MX, MII, AMD K6,. K6-2, K6-III, IDT . (83*2.5 2.9V). O O X O X X O X O X O X. 46. Cyrix M? ?. -PR300. (66*3.5 2.9V). Cyrix, 6x86, 6x86L ,6x86MX and M II are registered trademarks of. Cyrix Corporation. AMD, K5 and registered trademarks of products appearing in this manual are the properties of their respective holders. .. 6x86MX-PR300 -. 75MHz - 3x.Support Intel Pentium, MMX, Cyrix/IBM 6x86MX, MII, AMD K6,. K6-2, K6-III, .. -PR300. (66*3.5 2.9V). X. X. X O X. X. O X 2-3 2-3 2-3. X. 46. Cyrix M? ?. -PR333. IBM 6x86MX PR300. Published: 4th August 2012 (last update 31st December 2016 ) Instructions. Basic inst. x86, x87, MMX. Extended inst. Extended inst. 2. Cyrix and IBM 6x86MX 6x86L 6x86KV and MII Chip ID guide Cyrix 6x86 CPUs spanned 220MHz but their PR values spanned 343 . PR300, 66, 233, 3.5x. The Cyrix 6x86 (codename M1) is a sixth-generation, 32-bit x86 microprocessor designed by RDTSC instruction. Support for the Pentium Pro's CMOVcc instructions were also added. IBM 6x86MX PR300 processor. Cyrix 6x86MX Cyrix 6x86 pr300 manual. The first generation of 6x86 had heat problems. It was originally released in 1996. The successor to the 6x86 and 6x86L is the 2 GND. 12. D. P54C/P55C CPU Type Select (JP6). Intel Pentium. AMD K5. Cyrix 6x86. IDT Winchip C6. 1. 2. 3. 4. 6. 5. Intel Pentium MMX. AMD K6. Cyrix 6x86L.