Gigabyte GA-586-VX

[chrisNova777]

https://www.gigabyte.com/microsite/121/tech_mmxtable.htm
https://www.gigabyte.com/Motherboard/GA-586VX
http://download1.gigabyte.us/Files/Manual/motherboard_manual_ga-586vx_e.pdf
https://www.vogons.org/viewtopic.php?f=46&t=56025

cpu upgrades {
Intel MMX:(166, 200, 233)
AMD K6:(166, 200)
Cyrix 6x86:(PR-166, PR-200, PR-233)
}

http://www.cpu-world.com/Compare/772/AMD_K6_200_MHz_(AMD-K6_200AFR)_vs_Intel_Pentium_MMX_233_MHz_(FV80503233).html

https://www.tomshardware.com/reviews/intel,22-6.html

http://www.cpu-world.com/CPUs/Pentium/Intel-Pentium%20MMX%20233%20-%20BP80503233.html
http://www.cpu-world.com/CPUs/K6/AMD-K6%20200%20-%20AMD-K6-200ALYD.html
http://www.cpu-world.com/CPUs/6x86/Cyrix-6x86MX-PR233%20(75MHz%202.9V).html

Pentium with MMX Technology
P55C – 0.35 μm process technology
Introduced January 8, 1997
Intel MMX (instruction set) support
Socket 7 296/321 pin PGA (pin grid array) package
16 KB L1 instruction cache
16 KB L1 data cache
4.5 million transistors
System bus clock rate 66 MHz
Basic P55C is family 5 model 4, mobile are family 5 model 7 and 8
Variants
166, 200 MHz introduced January 8, 1997
233 MHz introduced June 2, 1997

https://www.ebay.com/sch/i.html?_from=R40&_trksid=m570.l1313&_nkw=k6+200mhz&_sacat=0
https://www.ebay.com/sch/i.html?_from=R40&_nkw=intel+mmx+%28166%2C+200%2C+233%29&_sacat=0&LH_TitleDesc=0&_sop=15

[chrisNova777]

http://www.cpu-world.com/CPUs/K6/AMD-K6%20166%20-%20AMD-K6-166ALR.html
https://www.ebay.com/itm/AMD-AMD-K6-166ALR-166MHz-Vintage-321-Pin-Ceramic-PGA-CPU-Processor-1997-Tested/383051172963?hash=item592fa10c63:g:xYcAAOSwIPZdLGHo

http://www.cpu-world.com/CPUs/Pentium/Intel-Pentium%20MMX%20166%20-%20A80503166.html
https://www.ebay.com/itm/TOP-RETRO-Socket-7-CPUs-Intel-Pentium-MMX-166-200-233-AMD-K6-233/323799307432?epid=3006010171&hash=item4b63f154a8:m:m1NmnV4Hw07USimP1D6m-Eg