Re: [ql-users] new hard disk

2007-04-30 Thread Stephen Usher
Actually. I'd like the proper answer to that as well. I guessed that unformatted capacity represents the total amount of data that can be stored on the disk. Formatting added extra information (like an [un]allocated sector/cluster map, root directory, boot info and program, etc) that

Re: [ql-users] new hard disk

2007-04-30 Thread Tony Firshman
-BEGIN PGP SIGNED MESSAGE- Hash: SHA1 David McCann wrote: All this has prompted me to look at my own 40GB disk. It is reported to have a capacity of 35.5GB (just 5.5GB used!), showing that Seagate used factors of 1000 and Linux of 1024. Looking at unused directories shows that every

Re: [ql-users] new hard disk

2007-04-30 Thread Robert Newson
Ade Vickers wrote: ... I must admit, I was assuming Sinclair had used 1024 byte blocks on his microdrives - I may need to be corrected on that. Sinclair used 512 byte blocks/sectors on the mdvs. ^_^ (AFAIK) When a cartridge was formatted, the blocks were written with decreasing block

Re: [ql-users] new hard disk

2007-04-30 Thread Ade Vickers
Robert Newson wrote: I must admit, I was assuming Sinclair had used 1024 byte blocks on his microdrives - I may need to be corrected on that. Sinclair used 512 byte blocks/sectors on the mdvs. ^_^ Of course I'd forgotten that. It's been too long since I used a QL in anger -- even

Re: [ql-users] new hard disk

2007-04-30 Thread Robert Newson
Ade Vickers wrote: ... Sinclair used 512 byte blocks/sectors on the mdvs. ^_^ Of course I'd forgotten that. It's been too long since I used a QL in anger -- even though I have one set up right here in the office :-/ So... My estimate of 3.5million MDVs is, in fact, wrong; it should be

Re: [ql-users] new hard disk

2007-04-30 Thread Ade Vickers
Robert Newson wrote: Ade Vickers wrote: ... Sinclair used 512 byte blocks/sectors on the mdvs. ^_^ Of course I'd forgotten that. It's been too long since I used a QL in anger -- even though I have one set up right here in the office :-/ So... My estimate of 3.5million

Re: [ql-users] new hard disk

2007-04-30 Thread David Tubbs
At 15:10 30/04/2007, you wrote: I must admit, I was assuming Sinclair had used 1024 byte blocks on his microdrives - I may need to be corrected on that. 512 byte seectors. one map sector, one byte for each potential sector, I had a few mdvs of 250 sectors. Note tpp, every file fragmented of