Compaq 7470 Service Guide - Page 68

Jumper 3, Jumpers 4-6, Jumpers 7-10, Jumpers 12-15

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Maintenance and Service Guide Compaq Presario 7400 Series Computers Home Product Description Removal & Replacement Troubleshooting Jumper & Switch Information Illustrated Parts Catalog Specifications JUMPER & SWITCH INFORMATION Jumper Settings q Jumper 3 (CMOS) q Jumpers 4-6 (Multiplier) q Jumpers 7-11 (Core Voltage Setting) q Jumpers 12-15 (Clock Speed) Jumper 3 CMOS Normal CMOS Clear pins 1-2 pins 2-3 Jumpers 4-6 JP4 JP5 JP6 CPU/Host Ratio ON ON OFF 2.5 OFF ON OFF 3.0 ON OFF OFF 2.0 OFF OFF OFF 1.5/3.5 ON ON ON 4.5 OFF ON ON 5.0 ON OFF ON 4.0 OFF OFF ON 5.5 Jumpers 7-10 JP10 JP9 JP8 JP7 VCC2 OFF OFF OFF OFF 0 OFF OFF OFF ON 2.1 OFF OFF ON OFF 2.2 OFF OFF ON ON 2.3 OFF ON OFF OFF 2.4 OFF ON OFF ON 2.5 OFF ON ON ON 2.6 OFF ON ON ON 2.7 ON OFF OFF OFF 2.8 ON OFF OFF ON 2.9 ON OFF ON OFF 3.0 ON OFF ON ON 3.1 ON ON OFF OFF 3.2 ON ON OFF ON 3.3 ON ON ON OFF 3.4 ON ON ON ON 3.5 Jumpers 12-15 CPU 15 14 13 12 OFF OFF OFF ON 66.6 OFF ON ON OFF 95.25 OFF ON OFF OFF 97 OFF ON ON ON 100

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Maintenance and Service Guide
Compaq Presario 7400 Series Computers
Home
Product Description
Troubleshooting
Illustrated Parts
Catalog
Removal &
Replacement
Jumper & Switch
Information
Specifications
JUMPER & SWITCH INFORMATION
Jumper Settings
●
Jumper 3 (CMOS)
●
Jumpers 4-6 (Multiplier)
●
Jumpers 7-11 (Core Voltage Setting)
●
Jumpers 12-15 (Clock Speed)
Jumper 3
CMOS Normal
CMOS Clear
pins 1-2
pins 2-3
Jumpers 4-6
JP4
JP5
JP6
CPU/Host
Ratio
ON
ON
OFF
2.5
OFF
ON
OFF
3.0
ON
OFF
OFF
2.0
OFF
OFF
OFF
1.5/3.5
ON
ON
ON
4.5
OFF
ON
ON
5.0
ON
OFF
ON
4.0
OFF
OFF
ON
5.5
Jumpers 7-10
JP10 JP9 JP8 JP7 VCC2
OFF OFF OFF OFF 0
OFF OFF OFF ON 2.1
OFF OFF ON OFF 2.2
OFF OFF ON ON 2.3
OFF ON OFF OFF 2.4
OFF ON OFF ON 2.5
OFF ON ON ON 2.6
OFF ON ON ON 2.7
ON
OFF OFF OFF 2.8
ON
OFF OFF ON 2.9
ON
OFF ON OFF 3.0
ON
OFF ON ON 3.1
ON
ON OFF OFF 3.2
ON
ON OFF ON 3.3
ON
ON ON OFF 3.4
ON
ON ON ON 3.5
Jumpers 12-15
CPU
15
14
13
12
OFF OFF OFF
ON
66.6
OFF
ON
ON
OFF 95.25
OFF
ON
OFF OFF
97
OFF
ON ON
ON
100