User`s manual

Am486
®
Microprocessor PCI Customer Development Platform User’s Manual
xii
Figure 0-1. PCI CDP Overview
Am486
®
Microprocessor
JTAG Port
CPU Logic Analyzer Headers
In-Circuit Emulator Support
Zero-Insertion-Force Socket
Fan/Heat Sink Included
Level-2 Cache
512 Kbyte
Write-Back Policy
EIP Flash Memory
Addressed as fourth DRAM bank
8-Mbyte Flash Memory
Faster than ISA Bus Flash Memory
Coexists with up to 48 Mbyte of DRAM
Ethernet Controller
Am79C972 Device
10/100Base-T Port
Three Connection Status LEDs
Extra EEPROM for User Data
Boot ROM Socket
8 Bits Wide
BIOS Included
PCI Expansion
Two PCI Bus Connectors
ISA Flash Memory
1 Mbyte, 16 Bits Wide
Hex Display
I/O Port 80h, 8 Bits Wide
I/O Port 680h, 8 Bits Wide
Test Interface Port
ISA Bus
CPU Bus
PCI Bus
IDE Interface
Supports up to Four Devices
Two Connector Status LEDs
RTC
DS1685 Real-Time Clock
Year-2000 Compliant
242 Bytes Nonvolatile RAM
M5042 Keyboard
Controller
AT Keyboard Controller
PS/2 Mouse Controller
ALi M1489
Cache, Memory, and DRAM Controller
(Northbridge Chip)
PCI Bus Logic Analyzer Headers
NMI, SMI, Reset Switches
Super I/O
IrDA Module
2 Serial Ports with
Status LEDs
1 Parallel Port
Floppy Disk Interface
ALi M1487
ISA Bridge
(Southbridge Chip)
PCI Bus Arbiter
ISA Expansion
Two ISA Bus Connectors
DRAM
Three 72-pin SIMM Sockets
Supports 48 Mbytes of EDO or FPM DRAM
48 Mbytes of 60-ns DRAM Installed