Re: System error 0911 on IIgs

[buggie@ben04.unm.edu (stephen e buggie)]

Thanks for plugging the Bugg-Power external 150 watt IIgs power supply!
I also make them for IIe ---- merely the plug is changed.

You mentioned the internal fan option --- "Crow Fred" has brand new
internal IIgs fans for just $3.50!   I got three of them during my
in-person visit to Fred last June ---- now at $3.50 I plan to get extras!
This fan is tiny and is made specifically for the fan socket at the back
edge of the IIgs motherboard.		Steve Buggie


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 ** buggie@unm.edu                  voice: (505) 863-7504  or  863-2390 **
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Paul Schultz (pschultz@med.wayne.edu) wrote:
: On Mon, 30 Nov 1998, Glenn Fisher wrote:

: > Sometime when I power on my IIgs, I get a
: > "System Startup error 0911"
: > Can anyone tell me what this means or point me to a URL where I
: > might find out what it means.  I do not have a IIgs manual.
: > Thanks for any replys.

: Glenn,

: The 911 error is well known to IIgs users. It is caused by your ADB
: controller chip which in certain machines is flakey about what temp
: it will run at. Some users state that you need to have the ADB chip
: warmed up before your system will run stably. Others will tell you
: that you need to run your system 'cooler' so the ADB chip won't 
: overheat. From my years of reading this newsgroup most people have
: found that keeping your system cool will help alleviate the 911
: errors (or at least reduce the occurence). There is the chance that
: the ADB chip is on its last legs and you won't be able to do any
: of the suggestions below to eliminate the 911 error. However, it
: is my experience that one of the methods outlined below will
: usually solve your problems.

: To keep your system from overheating you can:

: 1 -- run it with the top off; 
: 2 -- buy a used System Saver IIgs which is the bestcooling fan option;
: 3 -- buy an internal fan for the IIgs -- less optimal than the SS IIgs.
: 4 -- You can also try to reduce the number of expansion cards in your
:      case to the few essential cards.
: 5 -- If you are running a heavily loaded system you may want to
:      consider a new heavy duty power supply.

: There are HD supplies which physically replace the stock supply or you
: could opt for a 'Buggie' Power supply (a PC supply with appropriate
: connectors to use with a IIgs -- the supply physically sits outside
: the IIgs case thus eliminating the chief source of heat within the
: CPU case). Steve Buggie advertises these supplies periodically on
: csa2.marketplace.

: The csa2 FAQ should describe all this in more detail and provide you
: with vendor lists for anything you may want to purchase.

: FWIW, I just alleviated a persistent 911 error with my IIgs by 
: purchasing a used System Saver IIgs.

: Good luck,

: Paul.

: pschultz@med.wayne.edu
: Paul Schultz