Biostar M6VCH M6VCH compatibility test report - Page 6

CPU and Host Clock Voltage Level

Page 6 highlights

Voltage List Battery Voltage +5V +12V -5V -12V +3.3V Vcore CPU Vcore Test Current Limit Test V2.5V Voltage SPEC 3.0V 5.0V 12.0V -5.0V -12.0V +3.3V 1.65V 1.65V 25A 2.5V Voltage Measured 3.13V 5.04V 12.3V -4.95V -12.01V 3.35V +1.65V +1.65V 25.2A 2.52V Clock Frequency CPU and Clock Host SDRAM Clock ISA Clock PCI Clock AGP Clock USB Clock Reference Clock Spec Value (MHz) 66/100/133 MHz 66/100/133 MHz 8Mhz 33.3Mhz 66.6Mhz 48Mhz 14.31 MHz Measured Value (MHz) 66.66/101.4/133.5 66.62/102.6/133.7 8.2MHz 33.5MHz 66.9MHz 48.5MHz 14.31MHz CPU and Host Clock Voltage Level 2.5v SDRAM Clock Voltage Level 3.3v ISA Clock Voltage Level 3.3v PCI Clock Voltage Level 3.3v AGP Clock Voltage Level 3.3v Reference Clock Voltage Level 3.3v 2.51V 3.36V 3.37V 3.34V 3.36V 3.33V CPU Clock High Time CPU Clock Low Time CPU Clock Rising Time CPU Clock Falling Time PCI Clock High Time PCI Clock Low Time PCI Clock Rising Time PCI Clock Falling Time 1-4(0.4~2.0V) 1-4(2.0~0.4V) Min 12ns (2.4V) Min 12ns (0.4V) 1~4ns (0.4~2.4V) 1~4ns (2.4~0.4V) 2.07V 0.46V 1.2V 1.3V 2.45V 0.46V 1.6V 1.5V Result Pass Pass Pass Pass Pass Pass Pass Pass Pass Pass Pass/Fail Pass Pass Pass Pass Pass Pass Pass Pass Pass Pass Pass Pass Pass Pass Pass Pass Pass Pass Pass Pass Pass 6

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6
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Voltage List
Voltage SPEC
Voltage Measured
Result
Battery Voltage
3.0V
3.13V
Pass
+5V
5.0V
5.04V
Pass
+12V
12.0V
12.3V
Pass
-5V
-5.0V
-4.95V
Pass
-12V
-12.0V
-12.01V
Pass
+3.3V
+3.3V
3.35V
Pass
Vcore
1.65V
+1.65V
Pass
CPU Vcore Test
1.65V
+1.65V
Pass
Current Limit Test
25A
25.2A
Pass
V2.5V
2.5V
2.52V
Pass
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Clock Frequency
Spec Value (MHz)
Measured Value
(MHz)
Pass/Fail
CPU and Clock Host
66/100/133 MHz
66.66/101.4/133.5
Pass
SDRAM Clock
66/100/133 MHz
66.62/102.6/133.7
Pass
ISA Clock
8Mhz
8.2MHz
Pass
PCI Clock
33.3Mhz
33.5MHz
Pass
AGP Clock
66.6Mhz
66.9MHz
Pass
USB Clock
48Mhz
48.5MHz
Pass
Reference Clock
14.31 MHz
14.31MHz
Pass
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CPU and Host Clock Voltage Level
2.5v
2.51V
Pass
SDRAM Clock Voltage Level
3.3v
3.36V
Pass
ISA Clock Voltage Level
3.3v
3.37V
Pass
PCI Clock Voltage Level
3.3v
3.34V
Pass
AGP Clock Voltage Level
3.3v
3.36V
Pass
Reference Clock Voltage Level
3.3v
3.33V
Pass
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CPU Clock High Time
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2.07V
Pass
CPU Clock Low Time
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0.46V
Pass
CPU Clock Rising Time
1-4(0.4~2.0V)
1.2V
Pass
CPU Clock Falling Time
1-4(2.0~0.4V)
1.3V
Pass
PCI Clock High Time
Min 12ns (2.4V)
2.45V
Pass
PCI Clock Low Time
Min 12ns (0.4V)
0.46V
Pass
PCI Clock Rising Time
1~4ns (0.4~2.4V)
1.6V
Pass
PCI Clock Falling Time
1~4ns (2.4~0.4V)
1.5V
Pass
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