Holding its place in the top 10 is the SiS 5582 based AOpen AP58, this low cost motherboard is definitely not an old granny when it comes to the Cyrix 6x86MX...the AP58 beat the entire ABIT line of motherboards, along with some other non-Intel chipset based motherboard in this test...looks like the SiS 5582 chipset isn't as bad as people once imagined it would be. 

Windows 95 Performance - Business Winstone 97 - Cyrix 6x86MX PR2/200+ (66MHz x 2.5)

Motherboard

Business Winstone 97

ABIT AX5 2.2

57.0

ABIT IT5H 1.5

Not Run

ABIT IT5H 2.0

54.8

ABIT PD5N

55.0

ABIT PX5

56.1

ABIT TX5

55.5

ABIT TX5N

55.7

AOpen AP58

55.2

AOpen AX5T-2

Not Run

AOpen AX5T-3.1

56.0

ASUS TXP4-X

55.6

Chaintech 5SDA

55.9

Chaintech 5SIM

54.4

Chaintech 5TTL

57.0

Chaintech 5TTM

Not Run

Chaintech 5TTM1

56.9

Chaintech 5TDM2

56.9

DFI P5XV3

56.6

DFI P5XV3 (AGP)

57.0

EPoX P55-VP3

54.9

FIC PA-2007

56.4

FIC PA-2010+

48.6

FIC PA-2011

56.1

FIC PA-2012

56.1

FIC PA-2012 (AGP)

56.3

FIC PT-2007

56.9

Megatrends HX83

Not Run

MTech MIG R539

Not Run

MTech MIG R540

52.0

MTech MIG R541

52.0

MTech Mustang R534F

57.6

QDI Titanium 1B

55.4

Shuttle HOT-565

55.8

Shuttle HOT-567

55.0

Shuttle HOT-569

56.3

Shuttle HOT-571

55.0

Shuttle HOT-603

56.6

Supermicro P5MMA

Not Run

Supermicro P5MMS98

56.1

Tyan Titan Turbo S1573S

Failed

At 166MHz, the MTech Mustang regains its lead over the DFI P5XV3 (AGP) by a virtually un-noticeable 0.6 point difference.  Most motherboards here perform pretty much equally, the only real difference in speed is noticed when you get down to the lower 5 motherboards on the chart.  There difference between the 9th place Shuttle HOT-603 and the 1st place MTech Mustang is only 1 Winstone point, not much at all. 

For the most part the breakdown of this chart is the same as the comparison at 150MHz, with one major exception, at 166MHz (using the 66MHz bus speed) the TX based motherboards seem to be doing much better than the non-Intel based motherboards.  It makes sense that since Intel officially supports the 66MHz bus speed (and nothing higher as of now) they would make sure that their chipsets would perform to the best of their ability at that bus speed.  The AOpen AP58's SiS 5582 chipset from above does officially support the 75MHz bus speed, which could explain its excellent performance when using it since the motherboard was designed with that in mind.   

With a Cyrix 6x86MX the bottom line is this, if you want the best possible performance you will want to pursue a motherboard using a non-Intel chipset, preferably one that supports the 6x86MX's unique Linear Burst Mode capability which boosts performance approximately 1 - 3% in real world applications.   A motherboard with a decent voltage regulator (preferably a switching voltage regulator system) is also a plus because you eliminate some chances of instability due to large variations in the voltage supplied to your CPU. 

Index AMD K6 Performance

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