PIIX datasheet(6/122 Pages) INTEL

6 / 122 page

82371FB (PIIX) AND 82371SB (PIIX3)

3.1. Memory and I/O Address Map ........................................................................................................... 89

3.1.1. I/O Accesses ............................................................................................................................... 89

3.1.2. Memory Address Map ................................................................................................................. 89

3.1.3. BIOS MEMORY........................................................................................................................... 90

3.2. PCI Interface ...................................................................................................................................... 90

3.2.1. TRANSACTION TERMINATION ................................................................................................. 90

3.2.2. PARITY SUPPORT ..................................................................................................................... 91

3.2.3. PCI ARBITRATION ..................................................................................................................... 91

3.3. ISA Interface ...................................................................................................................................... 92

3.4. DMA Controller................................................................................................................................... 93

3.4.1. TYPE F TIMING .......................................................................................................................... 94

3.4.2. ISA REFRESH CYCLES ............................................................................................................. 94

3.5. PCI Local Bus IDE ............................................................................................................................. 95

3.5.1. ATA REGISTER BLOCK DECODE ............................................................................................. 96

3.5.2. ENHANCED TIMING MODES ..................................................................................................... 97

3.5.2.1. Back-To-Back PIO IDE Transactions.................................................................................... 98

3.5.2.2. IORDY Masking .................................................................................................................... 98

3.5.2.3. PIO 32 Bit IDE Data Port Mode ............................................................................................ 98

3.5.3. BUS MASTER FUNCTION.......................................................................................................... 98

3.6. Universal Serial Bus Host Controller (PIIX3 only) ............................................................................. 100

3.7. Interval Timer ................................................................................................................................... 102

3.8. Interrupt Controller ........................................................................................................................... 103

3.8.1. PROGRAMMING THE ICWs/OCWs ......................................................................................... 104

3.8.2. EDGE AND LEVEL TRIGGERED MODE .................................................................................. 104

3.8.3. INTERRUPT STEERING........................................................................................................... 104

3.9. Stand-Alone IOAPIC Support (PIIX3) ............................................................................................... 105

3.10. INTR Signaling with Pentium® processor Local APIC in Virtual Wire Mode ................................... 106

3.11. X-Bus Peripheral Support............................................................................................................... 107

3.12. Power Management ....................................................................................................................... 108

3.12.1. SMM MODE ............................................................................................................................ 109

3.12.2. SMI SOURCES ....................................................................................................................... 109

3.12.3. CLOCK CONTROL.................................................................................................................. 110

3.13. Reset Support ................................................................................................................................ 110

3.13.1. HARDWARE STRAPPING OPTIONS ..................................................................................... 111

4.0. PINOUT AND PACKAGE INFORMATION .......................................................................................... 112

4.1. Pinout............................................................................................................................................... 112

4.2. PACKAGE DIMENSIONS ................................................................................................................ 117

5.0. TESTABILITY (PIIX/PIIX3) .................................................................................................................. 118

5.1. Test Mode Description ..................................................................................................................... 118

5.2. NAND Tree Mode............................................................................................................................. 118

5.3. Tri-state Mode .................................................................................................................................. 122

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