Table of Contents

Firmware & OS Distributions

The table below summarizes major firmware and operating system software distributions for the boards developed by members of the RBC community. Note that the packages on this page tend to be large projects that work over multiple boards; some boards may have additional software listed on the individual board wiki pages as well.

Please add to the summary table and a description when updating a ROM image.

Active Projects

The following firmware projects are being actively developed and supported.

Project Updated Target(s) OS Disk Support Video Support Other Support
UNA 2015/05/06
v2.50-043
SBC V1/2
MARK IV
ZETA
ZETA 2
CP/M 2.2DUAL IDE (IDE)
PPIDE
DISKIO V3 (IDE)
DUAL SD
PROPIO V2
RomWBW 2017/10/09
v2.8.6
SBC V1/2
ZETA
ZETA 2
N8
MARK IV
RC2014
CP/M 2.2
ZSDOS 1.1
DISKIO
PPIDE
DUAL IDE
N8
DISKIO V3
DUAL SD
MFC PIC
RAMF
PARPORTPROP
PROPIO
PROPIO V2
PPISD

VGA3
VDU
CVDU
​​​​​​​SCG
N8
PROPIO
PROPIO V2
PARPORTPROP
DSKY
CASSETTE
ROM-MJS v1.5Multicomp
(all boards)
CP/M 2.2
CP/M 3
MP/M II
Multicomp Multicomp Multicomp
ZSOS v0.11 S100Computers.com
Z80 SBC
CP/M 3 Onboard IDE Onboard USB
Terminal
N/A
XT-IDE Universal BIOS r588 XT-IDE Rev 02
XT-CF-IDE
and others
DOS N/A N/A UART Disk Server


Historical Projects

The following firmware projects do not appear to be actively supported. However, they typically contain valid, useable content and may have functionality not yet incorporated in the active projects.

Project Updated Target(s) OS Disk Support Video Support Other Support
Andrew Lynch 2008/05/23 SBC V1/2 CP/M 2.2 RAMDISK
ROMDISK
​DISKIO (IDE)
James Moxham 2008/10/06 SBC V1/2 CP/M 2.2 RAMDISK
ROMDISK
DISKIO (IDE)
BIOS Sync 2011/05/08 SBC V1/2 CP/M 2.2 RAMDISK
ROMDISK
DISKIO
VDU DSKY
Dan Werner 2011/06/25 SBC V1/2 CP/M 2.2 RAMDISK
ROMDISK
DISKIO
VDU DSKY
Unified BIOS 2011/08/14 SBC V1/2 CP/M 2.2 RAMDISK
ROMDISK
DISKIO
VDU DSKY
Z80SBC 2011/12/12 SBC V1/2 CP/M 2.2 RAMDISK
ROMDISK
PPIDE
​DISKIO (IDE)
SDMINI
DSKY
CASSETTE