Re: HOWTO->install a new scsi HD for a IIe/IIgs ?

["Mark Cummings" <figjams@primus.com.au>]

>The Apple SCSI controller is now recognized [slot 6].

great news

>Can I not format a HD [Seagate 2Gig] using ProDOS ?

2G, phew, you started off with a huge drive. 250M-500M is plenty IMO for
most IIe's or GS's.

Before you take too much of my advice, I will point out that I have ruined
two HDDs by accidently (OK intentionally !) reformatting them on the GS
using various combinations of formatting software, and those drives have
never been usable again. One of those drives had faulty blocks and the other
did not have the right driver on it.

If you just stick to partitioning it (not low level formatting) under ADU on
system 6.0.1 you should be OK. ADU will at least be able to create enough
partitions to utilize all of the drive, and AFAIK wont delete any Mac
drivers on the HDD.

Also ProDOS can only use 32MB partitions, larger partitions will have to be
HFS. Sorry, but you can't have a 2G ProDOS partition. ProDOS-8 can only see
the first 8 partitions and this is for the latest version of ProDOS. Some
versions can only see 2 partitions. GS/OS can see many more, up to 32 per
drive I think. So your best bet is to partition X number of ProDOS
partitions and the rest HFS. on my 1.2G SCSI drive I had 7 ProDOS partitions
and a 1G HFS partition. This minimised the desktop clutter in System 6.0.1
to about 10-12 icons depending on other floppy/RAM drives. If you just use
ProDOS partitions you would have 62 partitions which GS/OS won't allow, so
you'd be wasting half your drive with 32 partitions. And 32 drive icons +
extras from floppys will make a mess on your desktop.

Although the System 6 book says you can have 32 partitions using ADU, I
could only get a maximum of 8 on my 1.2G drive, I still don't know why and
no-one has been able to help me. On my Focus card I can get a lot more and
it uses a similar program to ADU, actually looks like a modified version.

I recommend that you practice partitioning a smaller SCSI drive, like 80MB,
then setup GS/OS on that so you don't wreck your 2G drive straight away. To
get a HFS partition is a bit of a hassle too. First you partition the drive,
then format the partitions as ProDOS, then install System 6.0.1, make sure
you add the HFS.FST (BTW there is a patched version of this you should use
as the one that comes with System 6 is faulty and can mess up your HDD),
then re-boot your GS, then reformat the HFS partition as HFS instead of
ProDOS to get the full use of it. Ive done this about 20 times, so I could
probably do it blindfolded now. :)

Mark