Re: ROM 01 GS diskless boot to Appleshare. YES IT WORKS!!!

["Paul Grammens" <grammens@svn.net>]

Thanks for the hot tip, Jalapeno!  That sounds reasonable. My ROM 01 would
start to boot from the server, then pop up a box asking for the server's
disk by name to be inserted. Couldn't get beyond that point.
-Paul

"Jalapeno" <jalapeno1@mac.com> wrote:
>
> Make sure you use Apple II Setup Disk 3.0, which contains the boot code
> for GS/OS System 6.0 & 6.0.1. The Setup Disk that comes with Appleshare
> server 3.0.x is version 2.2 (or 2.1), which is for GS/OS System 5.0.x.
> and should not be used if you install GS/OS System 6.0.x on the server.
>
> There are two ways to find out which version of the Setup Disk you used:
>
> 1.) On the Mac, do a (command-key)-I  (or open apple-I, if you prefer)
> on the ProDOS 16 Boot Blocks file in the system folder and read the
> version. It should be 3.0
>
> 2.) Boot the IIgs off the server. When you get the "Starting up over the
> network" screen look in the top right corner. If it says v2.1 (GS/OS) or
> v2.2 (GS/OS) then your software needs to be updated. It must say v3.0
> (GS/OS).
>
> I believe version 3.0 of the Apple II Setup Disk can be downloaded from
> the Apple Old Software Downloads site.
>
> My best guess as to what happens is that the System 6.0.x patches to the
> IIgs Rom 1 break the startup code for Appleshare network booting. When
> you try to boot with a Rom 1 and System 6.0.x the IIgs needs a file from
> the Server at a certain point in the process and the Appletalk
> Tranaction call is not made (the IIgs usually just sits there asking for
> the Server volume to be mounted, or something to that effect). This
> doesn't happen with a Rom 3 because the Appletalk DDP packet sizes are
> larger during a Rom 3 boot so more code is downloaded with the first
> packet.
>
> The Rom 1 uses smaller packet sizes, if I remember correctly, to keep
> the boot process from timing out in a large network environment (the
> server only has milliseconds to respond to the ATP request and if you
> have 28 students booting at the same time off of one server then packets
> are bound to be lost, causing the IIgs' to keep sending out broadcast
> packets which can itself flood the network). The code was fixed in the
> Rom 3 (Rom code itself, I think) which allows Rom 3's to boot with v2.2,
> but the Rom 1 needs the updated code to come from the server, since it
> isn't in Rom.
>
> I am sure you can boot your Rom 1 once you verify you have v3.0 of the
> ProDOS 16 Boot Blocks.