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Maintenance and Service Guide
Compaq Presario 5000, 5100, and 5200 Series Computers

Home Product Description Troubleshooting Illustrated Parts Catalog
Removal & Replacement Jumper & Switch Information Specifications
JUMPER & SWITCH INFORMATION

5100 and 5200 Series System Boards (1st board of 2) - Jumper Settings

For 5070, 5184, and 5185 jumper settings, click here.

JP1 (CPU clock multiplier)
CPU clock speed 100 MHz bus 200 250 300 350 400 450 500 550
95 MHz bus 190 238 285 333 380 428 475 523
pins 1-2 on on off off on on off off
pins 3-4 off on on off off on on off
pins 5-6 off off off off on on on on

 

JCK3 (CPU bus speed select)
CPU bus speed (MHz) 95 100
Pins 1-2 on off

 

* The factory default settings of the following jumpers are marked with an asterisk (*). These settings will not normally need to be adjusted.

 

JCK1 (SDRAM clock source)
CMOS state CPU clock* AGP clock
Jumper position pins 1-2 pins 2-3

JCK2 (CPU bus clock select)
CMOS state 66 MHz bus 95 or 100 MHz bus*
Jumper position pins 1-2 pins 2-3

VS1 (CPU pin U33 voltage select)
U33 voltage 3.3 V* 3.45 V
Jumper position pins 1-2 pins 2-3

 

JP3 (CPU core voltage select)
VCC2H/L# low 2.0 2.1 2.2* 2.3± 2.4 2.5 2.6 2.7
VCC2H/L# high 2.8 2.9 3.0 3.1 3.2 3.3 3.4 3.5
pins 1-2 off on off on off on off on
pins 3-4 off off on on off off on on
pins 5-6 off off off off on on on on
± These settings must be used for the 450MHz K6-2 processor.
Jumper Settings for Models 5070, 5184, and 5185

CPU Processor Speed Multiplier
Jumper Pin Positions Multiplier Notes
J16 J15 J14
1-2 1-2 2-3 3x MII 350
1-2 1-2 1-2 3.5x K62-333
1-2 1-2 1-2 3.5x K62-350
2-3 2-3 1-2 4x K62-380

CPU Processor Speed Multiplier
Jumper Pin Positions Multiplier Front Side Bus ( Both CPU & SDRAM)
J11 J10 J9 J8
2-3 2-3 2-3 2-3 90MHz
1-2 2-3 1-2 1-2 95MHz
1-2 1-2 2-3 2-3 100MHz

CPU Core Voltage Selection
JP3 Jumper Pin Positions Voltage Processor
Pin 9-10 Pin 7-8 Pin 5-6 Pin 3-4 Pin 1-2 Pin

 

 

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Revised: 30 October 1998