Intel AN430TX Product Specification - Page 42

Processor Configuration (J9C1-C, D)

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AN430TX Motherboard Technical Product Specification Table 29. Jumper Settings Function Processor Voltage Password Jumper J6M1 J9C1-A CMOS (NVRAM and ESCD) Clear J9C1-A BIOS Setup Access J9C1-B Reserved J9C1-B Host Bus Frequency* Processor Frequency BIOS recovery J9C1-C J9C1-D J8A1 * These jumpers also set the PCI and ISA bus frequencies Configuration 1-2 Standard voltage 2-3 VRE voltage (Default) 1-2 Password enabled (Default) 2-3 Password clear/disabled 4-5 Keep (Default) 5-6 Clear 1-2 Access enabled (Default) 2-3 Access denied 4-5 (Reserved) 5-6 (Reserved) See Table 30 See Table 30 1-2 Normal (Default) 2-3 Recovery 1.13.1 Processor Configuration (J9C1-C, D) The motherboard must be configured for the frequency of the installed processor. Table 30 shows the jumper settings for each frequency and the corresponding host bus, PCI bus, and ISA bus frequencies. Table 30. Jumper Settings for Processor and Bus Frequencies Processor Freq. (MHz) 200 166 150 133 120 100 90 Jumpers J9C1-C 5-6 5-6 4-5 5-6 4-5 5-6 4-5 Jumpers J9C1-D 1-2 and 5-6 2-3 and 5-6 2-3 and 5-6 2-3 and 4-5 2-3 and 4-5 1-2 and 4-5 1-2 and 4-5 Host Bus PCI Bus ISA Bus Bus/Processor Freq. (MHz) Freq. (MHz) Freq. (MHz) Freq. Ratio 66 33 8.33 3 66 33 8.33 2.5 60 30 7.5 2.5 66 33 8.33 2 60 30 7.5 2 66 33 8.33 1.5 60 30 7.5 1.5  NOTE There are no separate or additional jumpering requirements for Pentium processors with MMX technology. 42

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AN430TX Motherboard Technical Product Specification
42
Table 29.
Jumper Settings
Function
Jumper
Configuration
Processor Voltage
J6M1
1-2
Standard voltage
2-3
VRE voltage (
Default
)
Password
J9C1-A
1-2
Password enabled (
Default
)
2-3
Password clear/disabled
CMOS (NVRAM and ESCD) Clear
J9C1-A
4-5
Keep (
Default
)
5-6
Clear
BIOS Setup Access
J9C1-B
1-2
Access enabled (
Default
)
2-3
Access denied
Reserved
J9C1-B
4-5
(Reserved)
5-6
(Reserved)
Host Bus Frequency*
J9C1-C
See Table 30
Processor Frequency
J9C1-D
See Table 30
BIOS recovery
J8A1
1-2
Normal (
Default
)
2-3
Recovery
*
These jumpers also set the PCI and ISA bus frequencies
1.13.1
Processor Configuration (J9C1-C, D)
The motherboard must be configured for the frequency of the installed processor.
Table 30 shows
the jumper settings for each frequency and the corresponding host bus, PCI bus, and ISA bus
frequencies.
Table 30.
Jumper Settings for Processor and Bus Frequencies
Processor
Freq. (MHz)
Jumpers
J9C1-C
Jumpers
J9C1-D
Host Bus
Freq. (MHz)
PCI Bus
Freq. (MHz)
ISA Bus
Freq. (MHz)
Bus/Processor
Freq. Ratio
200
5-6
1-2 and 5-6
66
33
8.33
3
166
5-6
2-3 and 5-6
66
33
8.33
2.5
150
4-5
2-3 and 5-6
60
30
7.5
2.5
133
5-6
2-3 and 4-5
66
33
8.33
2
120
4-5
2-3 and 4-5
60
30
7.5
2
100
5-6
1-2 and 4-5
66
33
8.33
1.5
90
4-5
1-2 and 4-5
60
30
7.5
1.5
NOTE
There are no separate or additional jumpering requirements for Pentium processors with MMX
technology.