82378ZB, 823 Datasheet - Intel Corporation

82378ZB SYSTEM I/O APIC

12 2.1. PCI BUS INTERFACE SIGNALS 13 2.2. PCI ARBITER SIGNALS 14 2.3. ADDRESS DECODER SIGNAL 16 2.4. POWER MANAGEMENT SIGNALS 17 2.5. ISA INTERFACE SIGNALS 17 2.6. DMA SIGNALS 19 2.7. TIMER SIGNAL 20 2.8. INTERRUPT CONTROLLER SIGNALS .. 21 2.9. APIC BUS SIGNALS (8237.

E 82378ZB SYSTEM I/O (SIO) AND 82379AB SYSTEM I/O APIC (SIO.A) Four Dedicated PCI Interrupts  Level Sensitive  Mapped to Any Unused Interrupt Provides the Bridge Between the PCI Bus and ISA Bus 100% PCI and ISA Compatible  PCI and ISA Master/Slave Interface  Directly Drives 10 PCI Loads and 6 ISA Slots  PCI at 25 MHz and 33 MHz  ISA from 6 MHz to 8.33 MHz Enhanced DMA Functions  Scatter/Gather (S/G) (82378ZB)  Fast DMA Type A, B and F (82378ZB)  Compatible DMA Transfers  32-bit Addre.

823-78ZB.pdf