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Internal/ 1 - 2 Internal (onboard) battery E5
External Battery 2 - 3 External battery. Connect
battery at header P3
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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 S1 S2 S3 S4
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486DX2/50 MHz ON ON OFF OFF
486DX2/66 MHz ON OFF OFF OFF
486DX4/100 MHz ON OFF OFF OFF
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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 Description Designator
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Keyboard Miniature 6 Pin J9 Bottom
Mouse Miniature 6 Pin J9 Top
Parallel DSub25 Pin J8
Serial DSub 9 pin P7
Monitor 15 Pin Header P1001
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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 Description Designator
===========================================================================
SIMM Sockets 72 Pin SIMM J1 - J4
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