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- From: stc7@cunixb.cc.columbia.edu (Steven T Chiang)
- Newsgroups: comp.sys.apple2
- Subject: Re: Sanyo 14MHz chips
- Message-ID: <1992Jul30.174003.18112@news.columbia.edu>
- Date: 30 Jul 92 17:40:03 GMT
- References: <1992Jul30.055515.8371@cis.ohio-state.edu>
- Sender: usenet@news.columbia.edu (The Network News)
- Reply-To: stc7@cunixb.cc.columbia.edu (Steven T Chiang)
- Organization: Columbia University
- Lines: 28
- Nntp-Posting-Host: cunixb.cc.columbia.edu
-
- In article <1992Jul30.055515.8371@cis.ohio-state.edu> meekins@cis.ohio-state.edu (Tim Meekins) writes:
- >I just wanted to let everyone know that the Sanyo 65816's work..and they're
- >nice to boot! Anyways, using a circa-1989 TWGS upgraded to 32k cache w/ 35ns
- >Ram chips, I simply plugged in a Sanyo '816 chip and a 55Mhz crystal giving
- >my GS an effective clock rate of about 13.75 MHz...man, is it cool!! I've had
- >no problems with it, but it should have been impossible, as the gate arrays
- >on the TWGS are rated at 12.5 MHz....so much for specs. But then, I don't
- >think anyone else was able to get reliable operation past 12 MHz....maybe
- >I'm just plain lucky (which is what they all called me at KFest!) Now to
- >upgrade to 25ns cache Ram and see if 15Mhz will work!
-
- Yeah, my Sanyo 65C816 is working too... I just ordered 5 more
- for some friends.
-
- Currently, I'm running it at 12mhz, 13.75 works, but I can't
- put my cover on. I have a TWGS with the 32k cache upgrade.
-
- The only problem I seem to have is with ProTERM v3.0. It seem
- PT 3 doesn't like my extra-accelerated GS... If anybody has a clue,
- let me know, I'd really like to get PT3 working, but for now it's
- Telcomm... :)
-
-
-
- Steven Chiang Order - DreamGrafix: The ONLY 16/256/3200
- stc7@cunixb.cc.columbia.edu color paint program for the Apple IIGS.
- America On_Line: DWS Steve
- Genie: S.Chiang4 Apple IIGS Forever!
-