>In a message dated 1/5/01 5:37:29 AM, [EMAIL PROTECTED] writes:
>
>>I was wondering, if anyone who has a duodock, has installed
>>an 'internal' hard drive in it....to use, besides, the hd
>>that the duo has...
>
>2 gig IBM SCSI running off a standard doc, no problem. I have 7.5.3 loaded
>on the internal HD, if I have an older Duo I can start off the doc drive.
>Used a LCII sled, built my own power cable, std. 50 pin drive cable, and it
>also contains backups of all my important software.
>
>>also...has anyone upgraded their duo from say, a 270c, to a 280c,
>>or better yet, a power pc 2300 ?
>
>Several times. The 270C uses the same display as the 280C, and the 2300
>logic will drive <<any>> Duo display. if you have a 280 or 280C logic
>(identical), go ahead and upgrade to an '040. One trick if you have an older
>case stiffner (the magnesium part which acts as a heatsink) is to get the
>2300 "batwing" heatsink and use it to cool the '040 chip. More than enough
>thermal mass to cool it! Otherwise, get some heatsink transfer foam (local
>electronics distributor or radio shop) and use it to transfer the heat off
>the CPU chip.
>
>Good luck with the project!
>Andrew
The one time I tried using the batwing on a 680X0 duo, it didnt seem
to do much. I would make sure you use some thermal paste to get a
good contact between the CPU and frame, and I think thats about it.
Mad Dog
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