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Grid DOS V3.30 needed - and maybe other versions

C

Cforce

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May 19, 2016
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I have a Grid 1520 with the amber plasma screen.
But, I need the Grid version of DOS 3.30 to install on the HDD. I have an internal and external floppy drive that appear to work.
Is there anyone here I could buy a copy of the OS from?

Also, what other versions could work on this model Grid? Maybe 6.2?

Currently, I can only boot the system of one of those GridROM chips, if you were wondering. :)

Thanks ahead of time.
 
Winworld seems to have the GRiD OEM of 3.3.

winworldpc.com

MS-DOS 3.30

Originally 86-DOS, written by Tim Paterson of Seattle Computer Products, DOS was a rough clone of CP/M for 8086 based hardware. Microsoft purchased it and licensed it to IBM for use with Microsoft's IBM PC language products. In 1982, Microsoft began licensing DOS to other OEMs that ported it to...
winworldpc.com
 
Now the problem is... how to get that on floppies without a floppy drive. Doh
 
NeXT said:
Winworld seems to have the GRiD OEM of 3.3.

winworldpc.com

MS-DOS 3.30

Originally 86-DOS, written by Tim Paterson of Seattle Computer Products, DOS was a rough clone of CP/M for 8086 based hardware. Microsoft purchased it and licensed it to IBM for use with Microsoft's IBM PC language products. In 1982, Microsoft began licensing DOS to other OEMs that ported it to...
winworldpc.com
Click to expand...
Thanks! I see it there.
 
Don’t know, maybe my head is not screwed on right but getting a USB drive to work on a 1520 would be a chore! If your system has the grid roms you can run the format program and format floppies or the hard drive from what I remember, something like Format C:/S There is a plug that looks like a 25 pin just under the drive bay on the outside of the system and that’s what connected to the external floppy drive.

The grid DOS disk had a lot of weird stuff on it including Gridscan, that gave you a rundown of your system and Mode that allowed you to use the internal modem if you had it along with the internal serial ports. Don’t know if I can compress that disk and send it as a zip file or not.
 
No, like, you use the USB floppy drive on a modern PC to write out the disk images into physical floppies, then you can feed those into the GRiD's floppy drive.

There is a plug that looks like a 25 pin just under the drive bay on the outside of the system and that’s what connected to the external floppy drive.
Click to expand...
Waaaaaaait a minute. You don't have an internal floppy drive, do you?
 
Think the OP has a system with the internal 20 meg drive and on that they had a blank plate over the drive bay with a twenty-five pin plug for the external floppy. Probably wrong but thought that the 10-meg drive was half height so you would have a floppy and HD in the same bay but on systems that had a full height twenty meg drive you did not get a floppy. Think there was also a Conner forty meg half height too but maybe that was only on the 1550

Been years but maybe its time to drag out my 1530 thinking that’s like the 1520 and take a look. I have a Gridcase three that’s floppy and ROM only that I use a lot as a stand alone terminal and a 1550 that has a DOS Shell and a lot of old DOS utilities on it but the 1520/30 systems just don’t get a lot of love from me.

Another issue is that from what I recall the three, 1520 and 1530 all had 720K drives only where the 1550 at least was using a 1.4 drive and somehow recall that you had to use old 720K floppies on the old systems. They also had a 360K five inch that connects to the same port. Attached is a picture of a three, fifty and the external drives and cables.
 

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DOS on WinWorld is the newest I have found so far.
I have started a thread will all GRiD DOS versions I currently have. If anyone has something different/newer please post there.
We should also dump any APPROMs we have, either with DOS or other stuff.
@Cforce, do you have GRiD DIAGs APPROM by any chance? There were GRiD diags on the HDD in the machine I bought from you.
1520 I bought from Cforce has a 100MB Conner, it is full height drive. But my other 1520 that had 20MB drive was half height and had a floppy drive (now it is compact flash + gotek ;-)).
 
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