Dell Latitude CP Service Manual - Page 28
Slave DMA register - latitude cpi bios
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1-1-3 1-1-4 1-2-1 1-2-2 1-2-3 1-3-1 through 1-1-1 3-1-1 3-1-2 3-1-3 3-1-4 3-2-4 3-3-4 3-4-1 3-4-2 4-2-1 4-2-2 4-2-3 4-2-4 NVRAM write/read failure ROM BIOS checksum failure Programmable interval timer failure DMA initialization failure DMA page register write/read failure Installed memory module(s) not being properly identified or used Slave DMA register failure BIOS corrupted; system board faulty BIOS corrupted; system board faulty System board faulty System board faulty System board faulty Memory module improperly seated or system memory controller faulty (system board faulty) System board faulty Master DMA register failure Master interrupt mask register failure System board faulty Slave interrupt mask register failure Keyboard controller test failure Display memory test failure Keyboard assembly faulty or system board faulty System board faulty Display initialization failure Display retrace test failure No timer tick System board faulty Shutdown failure Gate A20 failure Unexpected interrupt in protected mode 3-2 Dell Latitude CP and CPi Service Manual