| Subject: RE: CT63 = CT60 ? ( EH? ) |
Author: Anders Eriksson (217-210-224-39-no51.tbcn.telia.com)
Date: 08-30-2007 17:38
> Right, its a CT60, NOT a CT63
You're wrong, the CT63 have CT60 printed on the circuit board, yes a bit confusing but that's the case.
The only practical differencies between the two are however that the CT63 have a CTCM for variable clock frequency while the CT60 have a fixed frequency oscillator. Additionally, the CT60 can also overclock the motherboard (optionally) something that was left out in the CT63 to make it cheaper. Likewise with the CPU termometer, it's left out on the CT63 - it was too inaccurate on the CT60 anyway.
Per default the CTCM in the CT63 is clocked at 66MHz, but with the CT60 CPX you should be able to toggle the CTCM to your preferred frequency (90MHz is what you seem to want). The CPU Rod shipped with CT63 is guarenteed to work at 90MHz, so I guess no problem to do so.
Some basic tips:
1. If you use SCSI disks, you MUST use HDDRIVER 8.13 or later. HDDRIVER 8.0 WILL crash.
2. Use the Xcontrol from the CT63 software package. Ataris original one won't work.
3. To avoid the temperature ACC to be generated, just disable the CPX, the CPX is only useful for when configuring the CT60 anyway.
4. Disable the "delay 5sec cache" feature. This is a really silly default setting and can get many things to really crawl (especially demos and games).
Apart from that, I've had no issues during the four years of active use. It's easily the best hardware add-on I've experienced on the Falcon, and I've had a few :)
--
Anders Eriksson
support@atari.org
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