KOYADO.COM

A web site dedicated to preserving my first Heathkit 8 bit computer into the future



H8 CPU Boards


H8-Z80-64K-RTC-ORG0-V4

e H8-Z180-1MB-RTC-ORG0-V5

e H8-Z80-DUART



H8 Memory Boards


TH8-8080A/Z80-64KB-RAM-Board

e H8-512KB-RAM-MMU_V4.0


H8 Network/SDC Boards


TH8-CP/NET-SPI-WIZNET-Board

CP/M-Images

H8 Storage Boards


TZ67-IDE-Plus

Z67-SDC

DUAL-GIDE-CONTROLLER

H8-H17-H37-H67-USB CONTROLLER

CP/M-HDOS-Images


H8  Front Panel Board


TH8-FRONT-PANEL-Board


H8 DUAL CPU BACKPLANE


TH8-BACKPLANE


H8 System Support I


H8 System Support I


TH8-System_Support_I


H8 PAM37 LISTING


H8 PAM-37 PANEL MONITOR