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Author Topic: 80G HD only seen as 20G??  (Read 3580 times)

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Offline save2600

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Re: 80G HD only seen as 20G??
« on: February 22, 2009, 10:19:51 PM »
On your accelerator/combo card, you've got a SCSI bios chip. Which revision is it? Usually labeled on the chip itself, socketed and nearest to the SCSI bus (or output in the rear). If you have an older version than 4.5, your GVP card WILL "see" the full GB range of the entire HD and even let you "partition" it, but you will not get the familiar NDOS:??? icons on the desktop that would allow you to normally format.

If anyone knows of a software workaround that would be great, but I do not believe one exists. The regular ones like IDEFix, fudging with Mountlist, etc., do not work. You must have an updated SCSI chip in your GVP for monstrous drives to work properly.

BTW: Of curiosity, I bet your second partition is slightly larger than 4gb. Get that down to 3.9gb and see if its icon pops up on the desktop...
 

Offline save2600

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Re: 80G HD only seen as 20G??
« Reply #1 on: February 22, 2009, 11:01:40 PM »
Ewww... I'd bet you a Smithwick's you have a revision 4.1 or lower. See... with a BIOS that old, you can set up a few partitions anyway you like (just make sure they're 2gb or less), until they equal a certain amount. If you have 4.1 or 3.x - the limit will be 4gb (total, all partitions added up) I bet. HDToolbox will show the entire drive AND your partitions, but you will only be able to realistically work with a fraction of that drive until you upgrade. Even if you can trick OS3.9/GVP to recognise another partition playing with HDToolbox's settings - DON'T DO IT! The other partitions you brought back to life will be unstable at best.

I know what you're thinking... GGRREEAATT! Another Amiga purchase that will get botched and handled unprofessionally!   lol   There's a guy here though that can set you up with more modern SCSI Bios revisions. Maybe even a 'Guru' ROM for your board. Do a search here on A.org and you'll find him...

You should change your tagline to read: "Amiga - the computer you'll need a bottomless wallet for"...  lol