Heath/Zenith Software & Manuals
YEAR: 1981
ITEM: Software
COMPANY: Heath Company
COUNTRY: USA
IN OUR COLLECTION: Yes
Five 3-ring binders of software and manuals "for Heath/Zenith 8-bit digital computer systems". The manuals include the following:
Microsoft BASIC COMPILER (CP/M) "R" Update w/ 5 1/4" disks. Model #HMS-837-4; S/N 000-00008600-0-03;
CP/M w/ 5 1/4" disk. Binder contains manual and disk for "CPS: Computerized Phone System"
CP/M-80 in a gigantic 3-ring binder; w/ 3 disks marked as CP/M "R" 2.203 and another 3 disks marked as CP/M "R" 2.204. Handwritten note says that the difference is that the newer disks "allow a Z89.11 interface board to be mounted. This board emulates a parallel interface (Centronics)." Model HOS-8937-2 S/N #196-00061674-0-05
FORTRAN-80 w/ 2 disks. Model # HMS-837-2; S/N #000-00006699-5-04.
The binders also include handwritten notes, persumably from the owner, and they seem to have been purchased in 1983 although the copyrights are earlier.
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Documents
Documents for this item have not yet been scanned or not yet posted. There are a lot of pages...contact us if you have an immediate need. (Although there are not a lot of "immediate needs" for a 70+ year old computer!)
If you know the location of any other of these items, please let us know by contacting us at Director@TheComputerChurch.com .
OUR DEFINITIONS OF RARITY
One of a Kind: Only known existing item.
Exceedingly Rare: Only 2 to 10 known to exist.
Very Rare: Only 11 to 25 are known to exist.
Rare: Only 26 to 50 are known to exist.
Difficult: Difficult to find.
Available:Can be commonly be purchased.
Unknown: We cannot make a determination.
(For comparison: Many people consider the Apple-1 computer to be rare. As of 2025 there are 92 confirmed and probable Apple-1 computers.)
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