Jumper settings for base memory
Base memory | Jumper JP13 | Jumper JP14 |
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640KB | A’ | A’ |
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512KB | B | A |
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256KB | B | B |
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•Factory setting
Jumper settings for extended memory
•Factory setting
Jumper settings for alternate 25 MHz microprocessor
Jumper Jumper Function
number setting
JP2 | A | 80487SX installed; NMI signal |
| B* | 80486SX installed; NMI signal |
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| 80487SX installed; FERR signal |
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| 80486SX installed; FERR signal |
* Factory setting; these jumpers are not used for the 50 MHz microprocessor