[cctalk] Re: Floppy Disk Drive Controller History

On 9/2/22 11:59, Chuck Guzis via cctalk wrote: On 9/2/22 11:15, Tom Gardner via cctalk wrote: I’m working on an update to Wikipedia on floppy disk drive controllers – there is a nice section on WD but nothing on Intel/NEC Anyone know the history of how the NEC µPD765 and the Intel 8272 beca

[cctalk] Re: Floppy Disk Drive Controller History

On 9/3/22 02:07, jim stephens via cctalk wrote: > I hope you get information on Don Tarbell's work included.  He had an > early single density controller.  Then later a high (double) density > controller. I purchased Don's SD controller way back when--and assembled it myself. I still have it, an

[cctalk] Re: Floppy Disk Drive Controller History

WD was first and its line of FDCs with compatible suppliers competed with NEC/INTEL's line, see https://en.wikipedia.org/wiki/Western_Digital_FD1771 The IBM PC's usage of the uPD765 gave prominence to the NEC/Intel line. At this point I can't really say which if either came to dominate

[cctalk] You have Apple Lisa 1 "twiggy" system to trade for my IBM 5100 Portable PC?

This seems like a good place to ask this question - I'd like an Apple Lisa 1 "twiggy" system for my collection, and can trade a working IBM 5100 Portable PC. We'd probably have to meet in person to make the transaction. I'm in So CA. Thanks- Steven Stengel http://oldcomputers.net

[cctalk] Re: You have Apple Lisa 1 "twiggy" system to trade for my IBM 5100 Portable PC?

I think there's a rather large disparity in value between the two systems. I'm not sure what an IBM 5100 would go for these days, but a Lisa 1 will generally sell in the $10K+ range minimum these days. I had two Lisa's with Twiggy drives: one I sold for $9,600, and the other for $14,500. That was

[cctalk] Re: You have Apple Lisa 1 "twiggy" system to trade for my IBM 5100 Portable PC?

On Sat, 3 Sep 2022, Sellam Abraham via cctalk wrote: I think there's a rather large disparity in value between the two systems. I'm not sure what an IBM 5100 would go for these days, but a Lisa 1 will generally sell in the $10K+ range minimum these days. I had two Lisa's with Twiggy drives: one I

[cctalk] Re: Bringing up a Sun 386i: Can I use a modern monitor

Likely the RGB2HDMI board found here: https://github.com/hoglet67/RGBtoHDMI Get Outlook for Android From: Chris Zach via cctalk Sent: Sunday, August 28, 2022 5:10:41 PM To: CCTalk mailing list Cc: Chris Zach Subject: [cctalk] Bringing up