User`s manual

Am486
®
Microprocessor PCI Customer Development Platform User’s Manual
2-4
Figure 2-2. PCI CDP Block Diagram
Microprocessor
Am486
®
( ZIF Socket )
ALi M1489
Cache, Memory, and PCI Controller
ALi M1487
ISA Bridge Controller
AMD Am79C972
PCNet
Fast + Ethernet
PCI Expansion Connector
Super I / O Chip
Floppy Disk Connector
IDE Connector
AT Keyboard Connector
PS / 2 Mouse Connector
EDO DRAM
72-pin SIMM Socket 1
Serial Port1 Connector
Serial Port2 Connector
Parallel Port Connector
HEX LEDs for Debug
Boot ROM Socket (x8)
1-Mbyte FLASH Memory (x16)
Logic Analyzer Header(s): CPU Signals
Logic Analyzer Header(s): PCI Signals
ISA Expansion Connector
Memory Address
CPU Data
CPU
Address
CPU Control
PCI
Bus ( 33 MHz , 5 V )
ISA Bus
Cache Control
EDO DRAM
72-pin SIMM Socket 2
EDO DRAM
72-pin SIMM Socket 3
IrDA
CPU Jumpers
TIP Board Interface
System
Power
System
Clocks
CPU
Power
Pin Grid Array
JTAG
Switches
LEDs
NMI
Reset
PHY
Onboard
512K L2 Cache
DRAM-to-Flash
8-Mbyte Flash Memory
For Execute-In-Place
& Control
SMI
E/net SIO1 SIO2
ISA Expansion Connector
IDE Connector
M5042
Keyboard
Controller
M5113A
DS1685
Y2K RTC
PCI Expansion Connector
1-Kbyte Config SEEPROM
MACH
®
CPU Interface
Interface
4-Kbyte User SEEPROM
Logic
IDE0 IDE1