Re: my Apple IIe page

["Guillaume Tello" <houten.van@wanadoo.fr>]

"Michael J. Mahon" <mjmahon@aol.com> a �crit dans le message de news: 
_P-dnQUkO8NZdjLanZ2dnUVZ_ryqnZ2d@comcast.com...
> Lisa wrote:
>> On Sat, 05 Jan 2008 15:19:41 -0800, A2Pro wrote:
>>
>>
>>>Hi!
>>>
>>>On Jan 5, 5:18 pm, Guillaume wrote:
>>>
>>>>I've opened my Apple for you, some photos and comments.
>>>>(francais)http://pagesperso-orange.fr/gtello/a2e_f.htm
>>>>(english)http://pagesperso-orange.fr/gtello/a2e_e.htm
>>>
>>>    About your "RAWC": was there ever a physical disk with 15 sectors
>>>instead of the usual 16?
>>>
>>>Willi
>>
>>
>> Didn't Dos 3.2 disks have 15 sectors rather than 16?  They used to hold 
>> less memory than the newer floppies...
>
> DOSs prior to 3.3 had 13 sectors per track, as a result of recording
> only 5 data bits per 8-bit disk nibble instead of the later version
> that recorded 6 data bits per nibble.
>
>> I remember having to replace the chips on my Disk card so that I could 
>> boot/read the new floppies.
>
> Yep.  Though the new controller can actually read 13-sector disks--
> it just needs the older boot code supplied some other way than on-card
> ROM (like by running the BOOT13 program on the System Master disk).
>
> -michael

    So RAWC could copy an old 13-sectors disk into a Dosmaster volume.
    But I never tested that.

    Guillaume.