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Re: HD capacity

2007-10-06 by Tristan Upton

Interesting, I was not aware of that. So, do you know what maximum capacity 
the Emax II can physically format a hard disk to? Is it possible to use EMXP 
to format a hard disk to 850MB and then have the Emax II access it? 

Regards, 

Tristan 


esynthesist writes: 

> EmaxII can certainly access more than 540 MB of hard disk space.
> In fact the EMAX-II file access table of harddisks and CDs can handle 
> almost any size. 
> Of course any space more than 850 MB wouldn't make a lot of sense 
> since a total of 100 banks (of max 8MB each) + some index data is the 
> max. useful space for any EMAX-II.
> However it seems that the physical format procedure built in the Emax-
> II OS is limited in its physical access, i.e. when the disk is too 
> large the EMAX-II can't get an estimate of the physical disk space 
> and hence it does not succeed in formatting the disk. That's a shame 
> really, because for sure the logical disk layout and file access 
> table have been designed for larger disks.
> In practice it seems that drives > 1GB cause problems on Emax-II, 
> probably because the OS didn't think that such drives would ever 
> exist :-)
> Anyway, I have an EMAX-II CD-ROM here which is logically formatted 
> for 632 MB and the EMAX-II is perfectly able to access this space 
> completely.
> (You can try yourself by making a 632 MB CD-ROM image with EMXP and 
> filling it with > 70 banks of 8MB).
> Note also that the Emulator-III uses the exact same disk layout 
> scheme as the EMAX-II; the EmuIII can access even larger sizes... If 
> I remember well I've heard of someone using Iomega Jaz 2GB disks on 
> his EmuIII. But of course the EmuIII OS is not the same as the Emax-
> II OS... 
> 
> ///E-Synthesist 
> 
> --- In emax@yahoogroups.com, "Tristan Upton" <tu@...> wrote:
>>
>> Hi John,  
>> 
>> Have you managed to actually fill the drive though? I remember 
> reading some 
>> time back that although the Emax II could save 100 banks, with up 
> to 8MB per 
>> bank, the total that could be stored on one hard disk was limited 
> to 540MB 
>> total. It may well be that a drive of over 540MB in size can be 
> formatted 
>> but will it all be usable. Maybe you could try and see?  
>> 
>> Regards,  
>> 
>> Tristan  
>> 
>> Saturday, October 6, 2007, 4:48:01 PM, you wrote:  
>> 
>> >
>> Thanks Tristan. The flash drive is a great idea and one I hadn't
>> thought of. As I said, I have a 700Mb HD in my Emax II now and it is
>> perfectly happy so 540 would not seem to be the limit. Thanks again
>> JW 
>>
>  
>

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