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Amiga computer related discussion => Amiga Software Issues and Discussion => Topic started by: fishy_fiz on January 10, 2010, 04:23:17 AM

Title: Are rad disks a fixed size ?
Post by: fishy_fiz on January 10, 2010, 04:23:17 AM

Ever the tinkerer Ive found myself in a situation where I'd like to be able to effectively use 8 meg of fast ram as a (re)bootable storage device (after installing to it from floppy disks). Can anyone tell me if this is possible please, and if so how ? A RAD disk or similar seems the most likely candidate to me so far.

Title: Re: Are rad disks a fixed size ?
Post by: AmigaHeretic on January 10, 2010, 04:32:22 AM

Quote from: fishy_fiz;537425

Ever the tinkerer Ive found myself in a situation where I'd like to be able to effectively use 8 meg of fast ram as a (re)bootable storage device (after installing to it from floppy disks). Can anyone tell me if this is possible please, and if so how ? A RAD disk or similar seems the most likely candidate to me so far.

No, you can make them anysize you want.  You just have to change the HIGHCYL from 79 to about 800.  That will make it ~8.1MB

Title: Re: Are rad disks a fixed size ?
Post by: zipper on January 10, 2010, 08:50:28 AM

Yes, I booted from 3.9 RAD, and could cram a working system to about 10 MB when testing the space requirement which was probably min. 20 MB (?).