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March 1996COPYRIGHT
©
INTEL CORPORATION, 1996 Order Number: 290476-004
82374EB/82374SB EISA
SYSTEM COMPONENT (ESC)
Y
Integrates EISA Compatible Bus
Controller
Ð Translates Cycles Between EISA and
ISA Bus
Ð Supports EISA Burst and Standard
Cycles
Ð Supports ISA Zero Wait-State Cycles
Ð Supports Byte Assembly/
Disassembly for 8-, 16- and 32-Bit
Transfers
Ð Supports EISA Bus Frequency of up
to 8.33 MHz
Y
Supports Eight EISA Slots
Ð Directly Drives Address, Data and
Control Signals for Eight Slots
Ð Decodes Address for Eight Slot
Specific AENs
Y
Provides Enhanced DMA Controller
Ð Provides Scatter-Gather Function
Ð Supports Type A, Type B, Type C
(Burst), and Compatible DMA
Transfer
Ð Provides Seven Independently
Programmable Channels
Ð Integrates Two 82C37A Compatible
DMA Controllers
Y
Integrates the Functionality of two
82C59 Interrupt Controllers and two
82C54 Timers
Ð Provides 14 Programmable Channels
for Edge or Level Interrupts
Ð Provides 4 PCI Interrupts Routible to
any of 11 Interrupt Channels
Ð Supports Timer Function for Refresh
Request, System Timer, Speaker
Tone, Fail Safe Timer, and CPU
Speed Control
Y
Advanced Programmable Interrupt
Controller (APIC)
Ð Multiprocessor Interrupt
Management
Ð Separate Bus For Interrupt Messages
Y
5V CMOS Technology
Y
Provides High Performance Arbitration
Ð Supports Eight EISA Masters and
PCEB
Ð Supports ISA Masters, DMA
Channels, and Refresh
Ð Provides Programmable Arbitration
Scheme for Fixed, Rotating, or
Combination Priority
Y
Integrates Support Logic for X-Bus
Peripherals
Ð Generates Chip Selects/Encoded
Chip Selects for Floppy and
Keyboard Controller, IDE, Parallel/
Serial Ports , and General Purpose
Peripherals
Ð Provides Interface for Real Time
Clock
Ð Generates Control Signals for X-Bus
Data Transceiver
Ð Integrates Port 92, Mouse Interrupt,
and Coprocessor Error Reporting
Y
Generates Non-Maskable Interrupts
(NMI)
Ð PCI System Errors
Ð PCI Parity Errors
Ð EISA Bus Parity Errors
Ð Fail Safe Timer
Ð Bus Timeout
Ð Via Software Control
Y
Provides BIOS Interface
Ð Supports 512K Bytes of Flash or
EPROM BIOS on the X-Bus
Ð Allows BIOS on PCI
Ð Supports Integrated VGA BIOS
Y
82374SB System Power Management
(Intel SMM Support)
Ð Fast On/Off Support via SMI
GenerationHardware Events,
Software Events, EXTSMI
Ý
, Fast Off
Timer, System Events
Ð Programmable CPU Clock Control
Ð Enables Energy Efficient Desktop
Systems
Y
Only Available as Part of a Supported
Kit
Y
208-Pin QFP Package
