321 Studios 486C Main System Board Diagram

EPSON Endeavor 486C

Main System Board Diagram

7/15/93

EPSON Endeavor 486C-3

Contents

button Computer Specifications CPU and Memory Controllers Interfaces Video Modes EPSON Endeavor 486C-2 Main System Board Diagram Major Subassemblies Connector Pin Assignments Parallel Port Connector (CN8) Serial Port Connectors (CN9 and CN10) Keyboard Connector (CN5) and System l/O Address Map DMA Assignments Hardware Interrupts System Memory Map Jumper and DIP Switch Settings Processor Chips SIMM Installation EPSON Endeavor 486C-6 Hard Disk Drive Types Installation/Support Tips Mouse and Keyboard Installing Diskette Drives Installing Hard Disk Drives Software Problems