Norberto’s H8 Computer

 
 

Heathkit H8 Z80 CPU Board V3.1

New H8 Z80 V3.1  Boards Available: 2

H8-Z80-64K-RTC-ORG0 Schematics

H8-Z80-64K-RTC-ORG0 ROM Hex files (PAM-37/H89 MMS) Monitors

H8-Z80-64K-RTC-ORG0 V3.1 gerber files

H8-Z80-64K-RTC-ORG0 V3.1 Development files

CP/M3 & Heath CP/M Z80 Speed Utility

I/O Control GAL + CP/NET + RTC Support (Updated: 2/15/2020)

DUART-16C550 Gerber file - DUART_V1 18111278

Cathy Ma_OurPCB <sales06@ourpcb.com>

DUART-16C550 Schematics/Development

PCB # to order boards - OurPCB reference No: Z80_RTC_ORG0_SPEED_DUART_V3_1  18120780

DUART-16C550 Assembly Instructions

H8-Z80-64K-RTC-ORG0 BOM

Z80/DUART PCB Scan

Z80 RTC/RAM VCC Rework

Z80 V3.1 PAM37 Mod

Z80 V3.1 Jumpers

DUART_USB_V3.zip  (Gerber files)

DUART-16C550/USB Schematics/Development (OurPCB reference No: 19050878-2)

H8-Z80-DUART,REWORK.PDF (Full schematics + rework by Ken).

H8-Z80-DUART, v3.1.searchable.pdf (Full schematics by Ken).

H89-2ms rework