Westwind Trantor Hard Disk for Osborne Computer
Can anyone point me to documentation or schematics for this?
I have one in pristine condition, until last month when a capacitor blew... Turns out these use the problematic Astec power supplies identical to the ones used in the Osborne 01. There is a 0.1uF 250V polymer cap that tends to blow. In fact, I've had 2 Osborne 01 machines that blew while in service - smoke and all. I replaced the cap and now they work perfectly. The Westwind, on the other hand, will not recognize the hard disk. However the built-in ramdisk does work. My fear is that when the cap blew, a voltage transient may have taken out one or more of the large Shugart VLSI chips on the disk controller board. These chips may be difficult to source these days. -John |
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