Compaq Prolinea Family Maintenance & Serice Manual page 139

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Internal/ 1 - 2
External Battery 2 - 3
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486-Based System Board Processor Clock Speeds
The switch settings for the processors for the 486-based system boards are
shown in Table 6-2.
Table 6-2. 486-Based System Board Processor SW1 Switch Settings
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CPU
Type/Operation
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486DX2/50 MHz
486DX2/66 MHz
486DX4/100 MHz
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486-Based System Board External Connectors
The external connectors located on the 486-based system board are
identified in Table 6-3.
Table 6-3. 486-Based System Board External Connectors
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Function
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Keyboard
Mouse
Parallel
Serial
Monitor
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486-Based System Board Internal Connectors
The internal connectors located on the 486-based system board are
identified in Table 6-4.
Table 6-4. 486-Based System Board Internal Connectors
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Function
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SIMM Sockets
Internal (onboard) battery
External battery. Connect
battery at header P3
S1 S2
ON ON
ON OFF
ON OFF
Description
Miniature 6 Pin
Miniature 6 Pin
DSub25 Pin
DSub 9 pin
15 Pin Header
Description
72 Pin SIMM
E5
S3 S4
OFF OFF
OFF OFF
OFF OFF
Designator
J9 Bottom
J9 Top
J8
P7
P1001
Designator
J1 - J4