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From: markz@ssc.UUCP (Mark Zenier)
Newsgroups: sci.electronics
Subject: Opening up Strange Electronics ( was Re: need Atari )
Message-ID: <794@ssc.UUCP>
Date: 19 Jan 91 20:41:55 GMT
References: <1991Jan14.191748.26054@cbnewsk.att.com> <1PqTV2w163w@cs.fau.edu> <14654@milton.u.washington.edu>
Organization: SSC, Inc., Seattle, WA
Lines: 19

In article <14654@milton.u.washington.edu>, whit@milton.u.washington.edu (John Whitmore) writes:
> 
> 	I got a NEC Turbo Grafix 16 this Christmas, and (naturally) wasted
> no time in disassembling it.  Took about 2 hours.
> 	If anyone wants to pull one of these apart, the only trick
> is in building the wrench.  Starting with 0.249"  hex stock in
> an indexing head, drill six #66 holes at 60 degree intervals on
> a .175" diameter circle.  Then drill the center with a .180" drill
> to a depth of 0.140".  Clean out the six holes, cement a short 
> #67 hardened rod in each, and grind the end flat.  Chuck it in the
> electric screwdriver, and disassemble away!

In the back of the Jensen Tools 1991 Winter Supplement, they
have 1/4 Hex drive bits for something called the Line Head System.
Says this is what is used on the PS/2 and Nintendo.

They also have tamper proof Torx drivers.

markz@ssc.uucp