Disk problems/questions.

If I remember correctly, The 1.2M drive uses a track 1/2 the width of the 360K drive. If you format a disk and write data with the same drive, there is no problem. The 1.2 drive can read down the middle of a 360K fat track and all is OK. The 360K drive can read the 1.2M skinny track and all is probably OK. The problem comes in when you use a 1.2M drive to write on a diskette that was previously written by a 360K drive. The skinny track is now on top of the fat track. The 360K drive will certainly have problems. It will read the new data in addition to 1/2 of the old data. Regards, Tom Sanderson wts(a)exo.com http://exo.com/~wts/wts10005.HTM Virtual Altair Museum -----Original Message----- From: Mike Allison [SMTP:mallison@konnections.com] Sent: Thursday, February 12, 1998 9:53 PM To: Discussion re-collecting of classic computers Subject: Re: Disk problems/questions. I had an IBM 360k that I was using, no compliants. I started having data problems moving stuff from a true 1.2M to the 360. Later, I put a 360 in the other computer and I still had problems. Finally, I figured it out, the IBM was either out of alignment, or shot... Could it just simply be the 360k drive? -Mike Barry Peterson wrote: