HP LH4r HP Netserver LC 3 Quick Service Guide - Page 13

System Board Illustration, System Switches

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System Board Illustration Retaining Latches Secondary Processor Socket (Terminator Installed In Dual-Ready Configurations) * Processor Fan * J20: N/C Primary Processor * J25: 100 MHz Diagnostic LEDs 01 2 3 Primary VRM * J26: N/C 0 1 Memory DIMM Sockets 2 3 * Cable connectors labeled with function. Configuration jumpers labeled with default setting. N/C = no jumper header or cable installed. CAUTION: Jumper settings other than those displayed here may result in unreliable performance or component damage. Secondary VRM Socket System Configuration Switches * J17: N/C Battery Video Memory Upgrade Sockets System Switches 5 On=Clear config 6 On=Clear p/w 7/8 Always off Processor speed 100 MHz Bus Speed Processor Speed 300 350 400 450 Switch 1 OFF OFF OFF OFF 2 OFF OFF ON ON 3 ON ON OFF OFF 4 OFF ON OFF ON 11

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11
System Board Illustration
Battery
0
0
1
1
2
2
3
3
Primary
Processor
Secondary
Processor Socket
(Terminator Installed
In Dual-Ready
Configurations)
Primary VRM
Secondary
VRM Socket
System
Configuration
Switches
Diagnostic LEDs
Memory DIMM
Sockets
Retaining
Latches
* J25: 100 MHz
* J26: N/C
* J17: N/C
* J20: N/C
* Processor
Fan
* Cable connectors labeled with function.
Configuration jumpers labeled with default setting.
N/C = no jumper header or cable installed.
Jumper settings other than those displayed here
may result in unreliable performance or component
damage.
CAUTION:
Video Memory
Upgrade Sockets
System Switches
Always off
On=Clear p/w
On=Clear config
Processor speed
450
ON
OFF
OFF
ON
300
350
400
OFF
OFF
ON
ON
OFF
OFF
OFF
ON
OFF
ON
OFF
OFF
1
2
3
4
Processor Speed
100 MHz Bus Speed
Switch
5
6
7/8