Hello everyone! I decided to do some tests with the 1581 and JOS. I turned on my C64, with SuperCPUV2 4megs ram. And also turned on my CMD HD, 1541 and 1581. Put a blank 3.5" disk into the 1581, and formatted it with the standard jiffy dos command @n:josboot,11. A minute later I had a fresh disk. I booted into JOS, and copied all the files to the 1581. cd jos, cp * /1581.0/ . A minute or two later, the files were all on the disk. A 1581 disk is so big that it holds all of the files for jos, PLUS the complete .zip file, and several shell scripts that I have made for myself to make my JOS life easier. And there is still a good 200 blks free on the disk. Then I shut down, and powered back up, and changed to my 1581 disk drive with jiffy dos. I keep my 1581 on device #11. Gave the jiffydos command ^booter, and JOS booted up! There was a slightly different message at the startup, it says something like, 'mounted /sys/1581.fsys (boot) ' . And that was that. So, I would bargain that the 1581 is Well Supported under JOS. And it can be used as a boot drive. Greg\DAC. IF you suspect that one of your drives may be 'Flaky', I strongly recommend disabling that drive before starting JOS. JOS can make use of your Drives in ways they have never been used before! like accessing different parts of the same drive with different programs, both at the same time! - Jos Homepage - http://www.jolz64.cjb.net/ To Unsubscribe send email to jos64-request@xxxxxxxxxxxxx with unsubscribe in the Subject field