Retrocomputing
GIMIX computer
Book cover
GIMIX S.N. 22832060 courtesy of Ted Niespodziany / KC9LKE

OS-9 GMX for GIMIX

TThis GMX boot disk was recovered from an Internet archive. The distribution is notable for the fact that some utilities are designed for an 80-column terminal. This applies to Dir, Mdir, Login etc.

Empty formatted disk (GMX_DSDD_80_T0SD.Empty.hfe) (2,008,064 bytes)
Dual-sided, 80 tracks, 16 sectors/track. GMX formats track 0 on side 1 as single-density (FM) format with 10 sectors and all other tracks as MFM format with 16 sectors. This is done to be compatible with older floppy disks.
Empty formatted disk (GMX_SSSD_80_Empty.hfe) (2,008,064 bytes)
FM format, single density, single-sided, 80 tracks, 10 sectors/track, Interleave 3.
GIMIX 6809+ CPU Board (Gimix_6809_CPU.pdf) (5,369,897 bytes)
GIMIX DMA Double Density Disk Controller #68 (Gimix_68_Disk.pdf) (3,449,011 bytes)
List of contents of diskette (OS9_V1.2.pdf) (213,080 bytes)
OS-9 Boot disk for GIMIX system (OS9_GMX_V1.2.dsk) (204,800 bytes)
This is a disk for OS-9 Level I v. 1.2.
OS-9 GMX III Support ROM - Users Manual - REV C (OS-9 GMX III Support ROM.pdf) (346,578 bytes)
OS9 boot rom - level 1 v. 1.1 (os9p1-l1v11.bin) (2,048 bytes)
Part 1 of the kernel to be available in ROM at address $F800. This is a module from OS-9 version 1.1. It can also be found on the Internet under the name os9l1v11.u6
OS9 boot rom - level 1 v. 1.2 (OS-9_GMX_1_v1.2_p1_1982_msc.bin) (2,048 bytes)
Part 1 of the kernel to be available in ROM at address $F800. This is a module from OS-9 version 1.2. It was extracted from a system owned by Ted Niespodziany. The only difference from os9p1-l1v12.bin is in the DAT initialisation.
OS9 boot rom - level 1 v. 1.2 (os9p1-l1v12.bin) (2,048 bytes)
Part 1 of the kernel to be available in ROM at address $F800. This is a module from OS-9 version 1.2. This module has been built from the OS-9 source distribution
OS9p2, Init and Boot - level 1 v. 1.1 (os9p2-l1v11.bin) (2,048 bytes)
Part 2 of the kernel to be available in ROM at address $F000. The Boot module will load the rest of the kernel from a GIMIX #68 floppy disk device. This is a module from OS-9 version 1.1. It can also be found under the name os9l1v12.u7
OS9p2, Init and Boot - level 1 v. 1.2 (OS-9_GMX_1_v1.2_p2-68_1982_msc.bin) (2,048 bytes)
Part 2 of the kernel to be available in ROM at address $F000. The Boot module will load the rest of the kernel from a GIMIX #68 floppy disk device. The only difference from os9p2-l1v12.bin is that the Boot module has a higher edition number. It was extracted from a system owned by Ted Niespodziany.
OS9p2, Init and Boot - level 1 v. 1.2 (os9p2-l1v12.bin) (1,876 bytes)
Part 2 of the kernel to be available in ROM at address $F000. The Boot module will load the rest of the kernel from a GIMIX #68 floppy disk device. These modules have been built from the OS-9 source distribution
Reading and Writing Color Computer OS-9 Disks on GIMIX OS-9 Systems - REV B.pdf (Reading and Writing Color Computer OS-9 Disks on GIMIX OS-9 Systems - REV B.pdf) (62,384 bytes)
Software: BASIC09 for GMX (GMX_SSSD_80_Basic.hfe) (2,008,064 bytes)
Contains Basic09, RunB, various utilities and example BASIC programs.
Software: Dynacalc 4.7.3 (GMX_SSSD_80_Dynacalc.hfe) (2,008,064 bytes)
Configured for VT100/ANSI terminal
Software: Stylograph for GMX (GMX_SSSD_80_Stylo.hfe) (2,008,064 bytes)
Configured for VT100/ANSI terminal
Software: Various tools - asm, date, setime, kermit, archivers (GMX_SSSD_80_Tools.hfe) (2,008,064 bytes)
Y2K updates

The GIMIX Inc. company was located at: 1337 W. 37th, Place, Chicago, IL 60609.

ROMs

The only OS-9 software that has been saved for GIMIX is a boot floppy disk and two ROMs for a Level I system version 1.1. GIMIX is however a profile on Microware's source code disk and it was possible for me to assemble a new kernel for version 1.2. The profile assumes a RAM limit at address $E000, a 58167 real time clock device at $E231 and will initialize a DAT register located from $FFF0 to $FFFF.

Other resources