Norberto’s H8 Computer
NC-H89A-SBC Homebrew Computer
Schematics (Needs updates to latest version WIP)
Gerber PCB files - ourpcb@hotmail.com - Order number: 14080451
NC-Z80-SBC Programmables
AT27C256R-45 ROM with MTR-90/MMS/H17/SSD FW
Z80 - Speed Control 2/4/8 MHz - by Ken
Archive.zip - Replacement Card Supports & Heat Sink by Ken
CAD for H89/H8 brackets - by Ken
Heath Hard Drive and Floppy Geometry
QS-HDOS Setup/Road Map - By Ken
NC-Z80-SBC BOM’s
MMS-H89 OTP’s and Schematics
H89A-SBC Assembly Visual Aid
My Serial Cables Configurations - by Ken
QSH89SBC Software Update (CPM BIOS with H17/H37 Support) - by Ken
H89A updated schematics - by Ken
H89-Z37 Building 16 pin cable + H89-SBC/Backplane Configuration
Z90 OPERATION MANUAL - By Ken
H89-SBC in PC Chassis
H89 Address Decoding by Paul Laba
H89/H89-SBC Diagnostics
H89/H89-SBC Format Source Files by Ken
H89A-SBC/Backplane Boards Available: 2 sets