Laser Turbo XT turbo mode switch?

[Sellam Ismail]

I have a Laser Turbo XT that I'm trying to resuscitate to 100%.  I have it 
almost all working, but I'd be durned if I can't figure out how to get it 
into turbo mode.  Right now it's blazing along at 1.4Mhz if the Landmark 
speed test is to be believed.  There are no hardware switches so I can 
only assume there is some sort of utility program that needs to be run?  
If so, I don't have it :(

Any hints?

Thanks!

Happy New Year!

-- 

Sellam Ismail                                        Vintage Computer Festival
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International Man of Intrigue and Danger                http://www.vintage.org

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