Dell Precision P8189 Quick Reference Manual page 126

1-1-2
1-1-3
1-1-4
1-2-1
1-2-2
1-2-3
1-3
1-3-1 2-4-4
1-3-2
3-1-1
3-1-2
3-1-3
3-1-4
3-2-2
3-2-4
3-3-1
3-3-2
3-3-4
3-4-1
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3-4-3
4-2-1
4-2-2
4-2-3
4-2-4
4-3-1
4-3-3
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1-3-1
NVRAM
ROM BIOS
DMA
DMA
DMA
DMA
NVRAM
NVRAM
ROM
Gate A20
0FFFFh
2
1 3 1