Motherboard Review - Asus P/I-P55T2P4 rev. 3.0 and 3.10

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Introduction

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Intel Pentium Classic, P54C, 75 - 200 MHz
Intel Pentium with MMX, P55C
Cyrix/IBM 6x86 120+ - 166+, revision 2.7 or later required (testing of c't-Magazine has shown, that rev. 2.6 is running also without problems)
Cyrix/IBM 6x86 P200+, so far only unofficially, but testing of c't-Magazine has shown, that it's running fine
Cyrix/IBM M2, so far unofficially, but board offers required voltage of 2.9 V
AMD K5 PR90 - PR100, probably the new ones just as well - will try to get a statement from Asus

The bus speeds 50, 55 and 60 MHz would all run at the fastest timing settings. Higher bus speeds, however, required the tuning of the BIOS timing settings. I've hence been distinguishing between the fastest settings, which ctcm would run at and the settings, which Windows 95 would run Winstone 96 flawlessly at. For everybody, who is using Windows 95 or who wants to be safe, the 'Windows 95 setting' results are the only ones that are realistical and really interesting, because they are the ones to certainly be free from crashes due to memory timing problems at these high bus speeds.

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Bus Speed [MHz]	L2 Cache Speed [MB/s]	Main Memory Speed [MB/s]	DOS Simulation Speed [MB/s]	Windows Simulation Speed [MB/s]
50	50.2	33.8	54.8	45.0
55	55.3	37.3	60.4	49.6
60	60.3	40.6	65.8	54.1
66(max timing)	67.3	45.2	73.3	60.1
66(Windows 95 setting)	67.3	44.2	73.3	59.4
75(max. timing)	75.7	50.9	82.5	67.7
75(Windows 95 setting)	75.7	49.7	82.5	66.9
83(max. timing)	84.2	55.3	91.8	74.3
83(Windows 95 setting)	84.2	52.1	91.6	72.4

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CPU Speed / Bus Speed [MHz]	Winstone 97	Quake Timedemo
166/66	37.3	14.7
166/83	40.0	16.9
171/68 (turbo)	37.7	15.0
187.5/75	39.9	16.5
200/66	39.2	15.6
205/68 (turbo)	39.8	16.0

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Motherboard Review - Asus P/I-P55T2P4 rev. 3.0 and 3.10

Introduction

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