Antonio,
Greetings and what a informed walk down mac the lane
On Aug 11, 2005, at 3:16 , Antonio Rodríguez wrote:
Well, there is absolutely no difference on the data written to a
diskette either by a PowerMac or by a 68k Mac. The 6100 even shares
the disk mechanics with most of the Quadra series. Other than a
disk failure, a PowerMac should be able to read a disk created by
almost every Mac, except possibly the 128 and the 512 (more on this
bellow).
It seems on the occasions that I try to look at a old disk a 400k
it's and no go.
That's a horse of a different color. 400 Kb disks are *very*
different from 800 Kb/1.44 Mb ones - they are single sided, and use
the old MFS (Macintosh File System), which is completely
incompatible with the later HFS. The Macintosh 128k and the
original 512k (NOT the 512ke) came with a single-sided disk drive
and the original 64 Kb ROM, and thus supported only 400 kb disks in
MFS format. On the other hand, I think single-sided disk and MFS
support was dropped in Mac OS 8.0, so no matter what hardware you
have, you won't be able to read 400 Kb disks directly with it. So
it seems that the two machines you have are plainly incompatible.
I upgraded the original 128 to the the Bill Gates stated maximum a
person would ever need 512 with in year or 2 after buying it new
right after the super bowl ad, you mention the 512 ke. Do you know if
this would this be normal in a upgrade to from a 128 to a 512.
There are three solutions in this scenario. The easiest one is
getting a SuperDrive compact Mac (for example, a Classic) runing
System 6, which will happily copy the data from the old 400 Kb
disks into 1.44 Mb, HFS-formatted ones, readable by all versions of
Mac OS (up to OS X). But beware that, if you do this, you could be
bitten by the Compact Bug and end collecting dozens of these
machines ;-) .
Probably the best, although I have the original 128 to 512, it sadly
gave up the ghost a couple of years ago, some mention a new Mother
Board some say power supply, it was still really handy for typing
letters and we actually did a legal brief and put the disk into the
6100 G3 to print, that's what probably killed it... I have no problem
tearing powerbooks or 6100 apart but there seems to be a don't fry
yourself on the tube warning. Either fix that, preferable or buy an
old. Your idea ?? and if buying old what would you recommend, not a
whole lot of $$. It's some hermit guy who has this property and no
way to get a hold of him, tried everything.
My wife says no more collecting till I build a bigger room or house ;/
The second solution is to downgrade the PowerMac to OS 7.5 or 7.1
(the latter requires a system enabler). Those versions of Mac OS
can access 400 Kb disks without problem. And the last one, the most
challenging, is to connect the 512k and the PowerMac via AppleTalk.
It can be done, but I'm affraid you would need somehow to transfer
files from the PowerMac to the 512k, so the problem being disk-
related, this may be a bad idea...
That 6100 G3 runs almost 24/7 when I am there and is amazing, the old
Apple 10 years old, yes some upgrades and oh yes the pram battery. I
have 8.6 running and will not tempt the electrons
I do have stacks of 190s and 5300 PBs
You're wellcome! :-)
Greetings,
Antonio Rodríguez (Grijan)
<ftp://grijan.cjb.net:21000/>
A hearty thank you and appreciate any thoughts on the above.
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