A&J MicroDrive System-100: Difference between revisions

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The A&J MicroDrive System-100 is a tape drive almost identical to the Exatron Stringy Floppy.
The A&J MicroDrive System-100 is a tape drive almost identical to the Exatron Stringy Floppy.


Entrepo / A&J MicroDrive was a company that spun off from Exatron. Initially they sold tape drives with the same drive mechanisms and cassettes (called "wafers") as the Exatron Stringy Floppy, then switched to a different drive mechanism from BSR and "microwafer" cassette that is conceptually and essentially the same as the StringyFloppy, merely with slightly different dimensions. The BSR & Exatron drives & wafers are not compatible with each other.
Entrepo / A&J MicroDrive was a company that spun off from Exatron. Initially they sold tape drives with the same drive mechanisms and cassettes (called "wafers") as the Exatron Stringy Floppy, then switched to a different drive mechanism from BSR and "microwafer" cassette that is conceptually the same as the Exatron Stringy Floppy, but with different dimensions. The BSR & Exatron drives & wafers are not compatible with each other, even though at least one example BSR-drive system also called their tapes "Stringy Floppy".


The same drive was sold in at least a few other products for other platforms. Some examples:<br>
The same drive was sold in at least a few other products for other platforms. Some examples:<br>
* [https://en.wikipedia.org/wiki/Rotronics_Wafadrive Rotronics WafaDrive for the ZX Spectrum]
* [https://en.wikipedia.org/wiki/Rotronics_Wafadrive Rotronics WafaDrive for the ZX Spectrum]
* Entrepo Quick Data Drive Model 8500 for Commodor 64 (also rebadged by NCS)
* Entrepo Quick Data Drive Model 8500 for Commodor 64 & VIC-20 (also rebadged by at least Phonemark and NCS)
* [https://www.msx.org/wiki/Spectravideo_SVI-777 Spectravideo SVI-777 Stringy Floppy Drive for MSX systems]
<!-- * A&J MicroDrive Stringy Floppy for Timex Sinclair (same as Exatron Stringy Floppy) -->
<!-- * A&J MicroDrive Stringy Floppy for Timex Sinclair (same as Exatron Stringy Floppy) -->


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=Manual=
=Manual=
Manual for the Commodore64 version:<br>
Manual for the Commodore64 version, only useful for the hardware aspects:<br>
[https://archive.org/details/QuickDataDriveModel8500C64/mode/2up Entrepo Quick Data Drive Model 8500] (to download, ignore the .pdf, get the [https://archive.org/download/QuickDataDriveModel8500C64/Quick%20Data%20Drive_manual.cbz .cbz])
[https://archive.org/details/QuickDataDriveModel8500C64/mode/2up Entrepo Quick Data Drive Model 8500] (for quality, ignore the .pdf, the original is the [https://archive.org/download/QuickDataDriveModel8500C64/Quick%20Data%20Drive_manual.cbz .cbz])
 
There is no software manual for the Model 100 version of this drive.<br>
Scanning the M100SIG yields a few bits of instruction.
 
This review gives a few commands and procedures in passing.<br>
[https://github.com/LivingM100SIG/Living_M100SIG/blob/main/M100SIG/LIB-13-REVIEWS/SYSTEM.REV Review of A&J System 100]


=Software=
=Software=
The "tape operating system" software was distributed from their BBS. Customers were instructed to dial the BBS and download the software and create their own tape backups.<br>
The "tape operating system" software was distributed from their BBS. Customers were instructed to dial the BBS and download the software and create their own tape backups.<br>
Software for TRS-80 Model 100/102 and TANDY model 200 existed but isn't archived anywhere currently.
 
==TRS-80 Model 100==
http://www.club100.org/library/ups/tosa.100 A&J System 100 TOS for TRS-80 Model 100, version A<br>
http://www.club100.org/library/ups/tosb.100 A&J System 100 TOS for TRS-80 Model 100, version B<br>
http://www.club100.org/library/ups/tosc.100 A&J System 100 TOS for TRS-80 Model 100, version C<br>
http://www.club100.org/library/ups/tosd.100 A&J System 100 TOS for TRS-80 Model 100, version D<br>
 
Originally found at http://www.club100.org/library/libups.html in the Robert Benson section.
 
You can bootstrap these onto the 100 over the serial port a few different ways
* Mac/Linux/BSD: https://github.com/bkw777/dlplus : (dl -b tosd.100)
* Mac/Linux/BSD: https://github.com/bkw777/pdd.sh : (pdd bootstrap tosd.100)
* Windows: https://github.com/bkw777/tsend : (.\tsend.ps1 -file tosd.100)
* Generic comm program & TELCOM: http://bitchin100.com/wiki/index.php?title=Text_File_Transfer_using_Hyperterminal
 
Other software besides the OS:<br>
https://github.com/LivingM100SIG/Living_M100SIG/blob/main/M100SIG/Lib-09-PERIFERALS/DYSAVE.DOC<br>
https://github.com/LivingM100SIG/Living_M100SIG/blob/main/M100SIG/Lib-09-PERIFERALS/DYSAVE.AJ<br>
https://github.com/LivingM100SIG/Living_M100SIG/blob/main/M100SIG/Lib-07-UTILITIES/FIXKEY.100<br>


==Olivetti M10==
==Olivetti M10==
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=Misc References=
=Misc References=
There is also some info in the [https://github.com/LivingM100SIG/Living_M100SIG M100SIG] archive, particularly the "reviews" dir.
http://www.trs-80.org/exatron-stringy-floppy/
 
There is some info in the [https://github.com/LivingM100SIG/Living_M100SIG M100SIG] archive, particularly the "reviews" dir.
 
[https://archive.org/details/a-j-micro-drive-exatron-stringy-floppy-for-timex-sinclair-manual Manual for A&J MicroDrive for Timex Sinclair]


See pg 33: [https://ftp.whtech.com/club100/doc/p100-8604.pdf Portable-100 Magazine, 1986 April pg. 33]
See pg 33: [https://ftp.whtech.com/club100/doc/p100-8604.pdf Portable-100 Magazine, 1986 April pg. 33]
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microwafer-phonemark-2.jpg
microwafer-phonemark-2.jpg
microwafer-inside-1.jpg
microwafer-inside-1.jpg
svi-777-ad.jpg
</gallery>
</gallery>

Latest revision as of 05:23, 15 August 2023

The A&J MicroDrive System-100 is a tape drive almost identical to the Exatron Stringy Floppy.

Entrepo / A&J MicroDrive was a company that spun off from Exatron. Initially they sold tape drives with the same drive mechanisms and cassettes (called "wafers") as the Exatron Stringy Floppy, then switched to a different drive mechanism from BSR and "microwafer" cassette that is conceptually the same as the Exatron Stringy Floppy, but with different dimensions. The BSR & Exatron drives & wafers are not compatible with each other, even though at least one example BSR-drive system also called their tapes "Stringy Floppy".

The same drive was sold in at least a few other products for other platforms. Some examples:

The wafers were made & sold by Entrepo, and also rebadged by at least Phonemark and Smith Corona.

Manual

Manual for the Commodore64 version, only useful for the hardware aspects:
Entrepo Quick Data Drive Model 8500 (for quality, ignore the .pdf, the original is the .cbz)

There is no software manual for the Model 100 version of this drive.
Scanning the M100SIG yields a few bits of instruction.

This review gives a few commands and procedures in passing.
Review of A&J System 100

Software

The "tape operating system" software was distributed from their BBS. Customers were instructed to dial the BBS and download the software and create their own tape backups.

TRS-80 Model 100

http://www.club100.org/library/ups/tosa.100 A&J System 100 TOS for TRS-80 Model 100, version A
http://www.club100.org/library/ups/tosb.100 A&J System 100 TOS for TRS-80 Model 100, version B
http://www.club100.org/library/ups/tosc.100 A&J System 100 TOS for TRS-80 Model 100, version C
http://www.club100.org/library/ups/tosd.100 A&J System 100 TOS for TRS-80 Model 100, version D

Originally found at http://www.club100.org/library/libups.html in the Robert Benson section.

You can bootstrap these onto the 100 over the serial port a few different ways

Other software besides the OS:
https://github.com/LivingM100SIG/Living_M100SIG/blob/main/M100SIG/Lib-09-PERIFERALS/DYSAVE.DOC
https://github.com/LivingM100SIG/Living_M100SIG/blob/main/M100SIG/Lib-09-PERIFERALS/DYSAVE.AJ
https://github.com/LivingM100SIG/Living_M100SIG/blob/main/M100SIG/Lib-07-UTILITIES/FIXKEY.100

Olivetti M10

File:System 100 TOS 5 rel 1 for Olivetti M10.zip
File:DISK10.zip

Misc References

http://www.trs-80.org/exatron-stringy-floppy/

There is some info in the M100SIG archive, particularly the "reviews" dir.

Manual for A&J MicroDrive for Timex Sinclair

See pg 33: Portable-100 Magazine, 1986 April pg. 33

Related / Other Platform Versions: