Re: Memory Card???

[Slick <PAYSlick_RCBD@hotmail.com>]

David Empson wrote:
> 
> > Slick (paySlick_RCBD@hotmail.com) wrote:
> > : If System 4.0 doesn't support the ROM 0 at all, what is the TS1 file in
> > : the system.setup folder for?
> 
> There is no TS1 on any of the System 4.0 disks I've looked at (including
> my original distribution disk).  There are TS1 and TS2 files on System
> 3.2 (I haven't checked 3.1, because I don't have a virgin master of it).
> System 2.0 has a single TOOL.SETUP file that contains patches for both
> ROM 0 and ROM 1.
> 
> The release notes for System 3.2 say the split occurred at this version.
> However, the text in the System 4.0 release notes is identical, so it is
> possible that 3.1 has the actual change and noone bothered to update the
> release notes until 5.0 came out.
> 
> It is interesting to note that the System 4 release notes mention both
> TS1 and TS2, but the disk that came with the release notes (from APDA)
> only had TS2.
> 
> If you try to boot any version of GS/OS on a ROM 0 machine, you get a
> message along the lines of "GS/OS requires ROM version 1 or later".
> This is before you even get to the graphical screen with the "Welcome to
> IIgs" and boot progress bar.
> 
> > : I know that TS2 is for the ROM 1 IIGS and TS3 is for the ROM 3. I
> > : assumed that TS1 was for the ROM 0 GS. TS1 was omitted in System 5.0.4.
> 
> TS1 was also missing from System 5.0, 5.0.2 and 5.0.3 (I never got
> 5.0.1).
> 
> > : Also, I booted up a ROM 3 IIGS with my System 4.0 system disk once.
> 
> Likewise.  ROM 3 has some special code to check for and handle System
> 4.0, but it might not work as reliably as System 5.0 or later.
> 
> I've also managed to boot older system versions on ROM 3, but not the
> most ancient ones, and I didn't try running any applications (I wouldn't
> expect it to be reliable).
> 
> Randy Shackelford <shack@onyx.southwind.net> wrote:
> 
> > It's been a while since I read anything about it, but seems that TS1 is for
> > tool patches common to both ROM versions while TS2 and TS3 are version
> > specific.
> 
> That is the TOOL.SETUP file, not TS1.
> 
> --
> David Empson
> dempson@actrix.gen.nz
> Snail mail: P.O. Box 27-103, Wellington, New Zealand
I thought that TOOL.SETUP was for tool patches common to all ROM
versions, and the TSx was for tool patches were for a specific ROM
version. 

Most of my information came from an InCider A+ magazine article when
they went through the various files in the System folder, but it's been
a long time now. I should try to find the article in my collection of
back issues. However, I've made boot disks for freeware and shareware
programs using that information. In my experience, the disk will boot up
fine on either a ROM 1 or a ROM 3 machine if TS1 (under System 4.0) is
omitted. The disk will not boot up on a ROM 3 if TS3 is omitted, but
will work on a ROM 1, and vice-versa. System 5.0.4 follows the same
line, but TS1 is not on the system disk.

I should note that when I was doing this, neither my friend nor I had a
hard drive, and both of us only had 1 800K disk drive and 1 5.25" disk
drive, so we did this to eliminate disk swapping whenever possible. We
also only had 1.25MB (or less for a time in my case) of RAM, which is
why we used the older versions at times. My friend has moved away, and
had gotten rid of his IIGS, and I have greatly improved mine since then
with additional hardware.
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