82375EB Ver la hoja de datos (PDF) - Intel
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82375EB Datasheet PDF : 131 Pages
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CONTENTS
3 1 22 EPMRA EISA-TO-PCI MEMORY REGION ATTRIBUTES REGISTER
3 1 23 MEMREGN 4 1 EISA-TO-PCI MEMORY REGION ADDRESS REGISTERS
3 1 24 IOREGN 4 1 EISA-TO-PCI I O REGION ADDRESS REGISTERS
3 1 25 BTMR BIOS TIMER BASE ADDRESS REGISTER
3 1 26 ELTCR EISA LATENCY TIMER CONTROL REGISTER
3 2 I O Registers
3 2 1 BIOSTM BIOS TIMER REGISTER
PAGE
44
45
46
46
47
47
47
4 0 ADDRESS DECODING
48
4 1 PCI Cycle Address Decoding
50
4 1 1 MEMORY SPACE ADDRESS DECODING
51
4 1 1 1 Main Memory Decoding (MEMCS )
51
4 1 1 2 BIOS Memory Space
54
4 1 1 3 Subtractively And Negatively Decoded Cycles To EISA
54
4 1 2 PCEB CONFIGURATION REGISTERS
56
4 1 3 PCEB I O REGISTERS
56
4 1 4 POSITIVELY DECODED COMPATIBILITY I O REGISTERS
56
4 1 4 1 ESC Resident PIC Registers
57
4 1 4 2 EISA Resident IDE Registers
57
4 2 EISA Cycle Address Decoding
58
4 2 1 POSITIVELY DECODED MEMORY CYCLES TO MAIN MEMORY
58
4 2 2 PROGRAMMABLE EISA-TO-PCI MEMORY ADDRESS REGIONS
61
4 2 3 PROGRAMMABLE EISA-TO-PCI I O ADDRESS REGIONS
61
4 2 4 EXTERNAL EISA-TO-PCI I O ADDRESS DECODER
62
4 3 Palette DAC Snoop Mechanism
62
5 0 PCI INTERFACE
62
5 1 PCI Bus Transactions
63
5 1 1 PCI COMMAND SET
63
5 1 2 PCI CYCLE DESCRIPTIONS
64
5 1 2 1 Interrupt Acknowledge
64
5 1 2 2 Special Cycle
65
5 1 2 3 I O Read
65
5 1 2 4 I O Write
65
5 1 2 5 Memory Read
66
5 1 2 6 Memory Write
67
5 1 2 7 Configuration Read Configuration Write
67
5 1 2 8 Memory Read Multiple
68
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