Norberto’s H8 Computer

H-8 Z80 Speed module Schematics

H-8 Z80 Speed module GERBER Files

H-8 Z80 Speed module BOM (By Glenn)

HDOS Speed Utility by Stanley K. Webb

CP/M Speed Utility

H-8 Z80 Speed Boards Available: 6

HDOS Speed H8D Utility

H-8 Z80 Speed module Assembly Documentation

H-8 Front Panel Rework

H-8 Front Panel Rework by Ken

HUG37H8.DVD mod for the Speed board by Ken

Is a package (*.ZIP) for the H8 Speed Card support of floppy drivers on HDOS 3.02.

QSCPMSpd.PKG.zip - Zip file by Ken,

QSH8SPD.ASM -- QuikStor bios for H8 with SPeeD Card

QSH8SH17.SYS -- QSBIOS for H17 & Z67-IDE+ that will read/write disks from the Z67-IDE+ for all CPU speeds

QSH8SH17.PRN -- Listing

QSH8SH37.SYS -- QSBIOS for H37 & Z67-IDE+ that will read/write disks from the Z67-IDE+ for all CPU speeds

QSH8SH37.PRN -- Listing

SPD.COM -- A simple speed change program for the H8

HSYH8SPD-- HUG SY H8 SPeeD H17 Driver that will read/write disks from the Z67-IDE+ for all CPU speeds

HUG37H8-- HUG37 H8 Driver that will read/write disks from the Z67-IDE+ for all CPU speeds, N = Normal (170Q), A = Alternate (270Q)

SPD.ABS-- A simple speed change program for the H8