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C: and D: in my 5155, but there's only one physical drive.

Switched drive select 2 off, and voila, only one drive visible, C: drive with 20MB disk space.
Created a bootdiskette and copied config.sys and auto.bat to autoexec.bat on diskette, booted from diskette and both config.sys and autoexec.bat where executed. I need to find a clean PC-Dos 3.20 diskette so I can reformat the disk, and install PC-Dos on it, my guess is that the strange auto.bat issue will disapear also.
Anyone knows where I can get (download) PC-Dos 3.20???
 
I would like to add that I changed a jumper on a floppy connected as B drive on the cable from DS2 to DS1. I saw only an a: drive and when a read from it it would access both a: and b: at the same time even down to the head movements. I thought it was related somehow...
 
I would like to add that I changed a jumper on a floppy connected as B drive on the cable from DS2 to DS1. I saw only an a: drive and when a read from it it would access both a: and b: at the same time even down to the head movements. I thought it was related somehow...

It is--you can get the same effect by jumpering both DS1 and DS2 for a floppy. Probably make a huge mess of things when doing a copy A: B:
 
It looks like the prior owner of my 5155 had put a customized version of pc-dos 3.2 on this machine. I got my hands on a new 3.2 version, reformatted my drive and everything is working as it should be. My 5155 is working, as brand new, it even looks like new.
Thank you all for your help..
 
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