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Re: [K12OSN] Getting eMacs to boot.

Actually, K12LTSP comes with an image for PowerPC Macs. In most cases, just setting the Mac to netboot is all that's necessary.

Jon, our annual LTSP conference starts tomorrow in Minneapolis and runs through Friday. Jim Kronebusch, who did a bunch of the grunt work of getting PPC Macs to act as clients, will be there. We've even got a Mac client running for the conference. Come up for one or both days and I'm sure we can help you. See www.nclinux.net for details.


Todd O'Bryan wrote:
I've never done this before and I could be completely wrong, but I'll
take a stab at helping...

The problem is that the Macs are PowerPC, not i386 based, so they need
to download a different set of software to boot up. The good news is
that you can store both images on the same server and serve up the right
one based on MAC addresses. Once they've loaded the image and booted,
they're just creating an XWindows session to the server, so they can run
the same software on the server.

That's the theory, anyway, I think. You'll need to create a PowerPC thin
client image and serve that to the Macs when they boot. Other people may
be able to give you more specific info, but at least that gives you
somewhere to start.


On Wed, 2007-06-13 at 12:56 -0500, Jon Harder wrote:
Hi. I'm the technology coordinator at the Mountain Lake public school.
I've been using Linux servers for years. This summer I decided it was
time to convert an aging lab and two classroom mini-labs to ltsp.

I have never tried ltsp software until a week ago. It loaded right
up and it was trivial to get a PXE-based net boot PC and floopy-boot
PC to come right up. Adding ldap authentication and the remote directories
of 500+ users was only delayed a day because of a typo in the ldap
configuration. Even allowing for the fat-finger typing, that all worked
out much slicker than I anticipating.

I'm stuck on getting a newish eMac to net boot. The server log shows
that it is checking in for its DHCP assignment, and the client screen
starts scrolling. Just before it goes all black it says (if this is

  setup_arch: enter
  setup_arch: bootmem
  ardn: exit
  openpic: enter
  openpic: timer
  openpic: external
  openpic: suprious
  openpic: exit

then the screen is blanked, a line flashes in the middle that may
include the word "welcome" but it is really too fast to decipher.

I would appreciate any pointers on how to get the eMac to boot. I
suspect the answer will also allow me to boot the very oldest
slot-loading iMacs. Then I'll be back to see how to hd-boot the
older pre-slot loading iMacs. The success of my transition to ltsp
depends on reusing these old macs ...

Jon Harder
Mountain Lake, MN

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