Installing and Configuring the EVGA nForce 680i SLI Motherboard
Code(hex) | Name | Description |
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38 | Reserved |
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39 | Test DMA Page | Test DMA Page Registers |
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3A | Reserved |
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3B | Reserved |
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3C | Test Timer | Test 8254 Timer 0 Counter 2. |
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3D | Reserved |
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3E | Test | Verify 8259 Channel 1 masked interrupts by |
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| alternately turning off and on the interrupt lines. |
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3F | Reserved |
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40 | Test | Verify 8259 Channel 2 masked interrupts by |
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| alternately turning off and on the interrupt lines. |
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41 | Reserved |
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42 | Reserved |
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43 | Test Stuck Interrupt | Turn off interrupts then verify no 8259's Interrupt |
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| mask register is on. Test 8259 Force an interrupt |
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| and verify the interrupt occurred. |
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44 | Reserved |
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45 | Reinit serial port | Reinitialize Preboot agent serial port |
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46 | Reserved |
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47 | EISA Test | If EISA |
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| execute EISA initialization. If not, execute ISA tests |
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| and clear EISA mode flag. |
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48 | Reserved |
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49 | Size Memory | Size base memory from 256K to 640K and extended |
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| memory above 1MB. |
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4A | Reserved |
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4B | Reserved |
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4C | Reserved |
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4D | Reserved |
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4E | Init APIC | Initialize APIC and set MTRR |
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4F | Reserved |
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50 | USB init Initialize | USB controller |
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51 | Reserved |
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52 | Memory Test | Test all memory of memory above 1MB using Virtual |
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| 8086 mode, page mode and clear the memory |
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53 | Reserved |
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