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

There is an IBM 5100 on eBay right now: https://www.ebay.com/itm/314137209812 In 2018 I saw a BASIC model sell for $2500. I’ve seen a working APL model sell for $6150 in 2021. I’ve been keeping track of Lisa 1 sales on eBay for some years. I take a

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

On Mon, 5 Sep 2022, jim stephens wrote: The unit I have is IBM. There was no floppy drive unit from IBM for the IBM 5100. Or do you have a model number? It only did single sided diskettes, low density.  It's the only device which The IBM 5114 handles single and double sided diskettes, as

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

On Mon, 5 Sep 2022, jim stephens wrote: the 5100 has an external connector.  The floppy drive is a floor unit about Yes, three Sub-D connectors. Two for the signals, one for power. the size of three AT units upright, with two single density floppies in it.  And that floppy drive (if you

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

On Mon, 5 Sep 2022, Tom Stepleton wrote: Or at least there as something that was sold in this way. Here is its brochure: http://www.bitsavers.org/pdf/sykes/brochures/Sykes_Comm-Stor_5100_Brochure.pdf Interesting! (What is an IMF?) IMF = internal machine fix The 5100/5110 had a mechanism

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

On 9/5/22 11:07, Tom Stepleton via cctalk wrote: Are you sure about that? The 5100 doesn't support floppy drives. And I've never heard of third-party drives (that would need IMFs, too) for the 5100. $3100 is about what IBM charged for a fully loaded 5150. (PC) THAT is not a 5100! $3100

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

On 9/5/22 08:53, Christian Corti via cctalk wrote: On Mon, 5 Sep 2022, Fred Cisin wrote: Well, it ain't in the 5150/5160 range! The 5100 new was $10K to $20K. On Sun, 4 Sep 2022, jim stephens wrote: I had a 5100 that a dentist had bought as soon as it  came out and he    

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

The Lisa is the first consumer grade GUI computer to come to market. The Xerox 8010 with the Star operating system preceded it by a couple years, but that was a high-end $50,000 (in 1981 dollars) workstation with big businesses as the target market. So it has some historical significance in

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

the 5100 has an external connector.  The floppy drive is a floor unit about the size of three AT units upright, with two single density floppies in it.  We used my unit as an engineering reference to do a floppy interface project which required 3740 compatability from our hardware. And

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

On Mon, Sep 5, 2022 at 12:49 PM Fred Cisin via cctalk wrote: > > Haven't heard from you for a while! > Yep, and I missed you at the VCF this year. I decided to re-join this list when I happened upon it through a web search. The traffic is considerably less than it used to be so it's a

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

I played briefly with a pre-release Lisa (Berkeley Smalltalk). But then didn't see them again. I almost bought one later as a cheaper substitute for a Mac! It is historically significant. So is the 5100. But, they are totally different categories. It's like when I traded a Honda for a

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

The Lisa is the first consumer grade GUI computer to come to market. The Xerox 8010 with the Star operating system preceded it by a couple years, but that was a high-end $50,000 (in 1981 dollars) workstation with big businesses as the target market. So it has some historical significance in that

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

It continues to blow my mind that the Apple Lisa is worth anything. They used to be sold for almost nothing as Mac XL's, and tended to be temperamental. So when will the Apple Newton or Mac Plus be worth anything? :-) C

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

> >> Are you sure about that? The 5100 doesn't support floppy drives. And > I've > >> never heard of third-party drives (that would need IMFs, too) for the > 5100. > > > > $3100 is about what IBM charged for a fully loaded 5150. (PC) > > THAT is not a 5100! $3100 for a 5100 would have been a

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

On Mon, 5 Sep 2022, Fred Cisin wrote: Well, it ain't in the 5150/5160 range! The 5100 new was $10K to $20K. On Sun, 4 Sep 2022, jim stephens wrote: I had a 5100 that a dentist had bought as soon as it  came out and he added the floppy drives and printer.  It was a direct IBM

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

Well, it ain't in the 5150/5160 range! The 5100 new was $10K to $20K. On Sun, 4 Sep 2022, jim stephens wrote: I had a 5100 that a dentist had bought as soon as it  came out and he added the floppy drives and printer.  It was a direct IBM buy for 31000. On Mon, 5 Sep 2022, Christian Corti via

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

On Sun, 4 Sep 2022, jim stephens wrote: On 9/3/22 17:38, Fred Cisin via cctalk wrote: Well, it ain't in the 5150/5160 range! The 5100 new was $10K to $20K. I had a 5100 that a dentist had bought as soon as it  came out and he added the floppy drives and printer.  It was a direct IBM buy for

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

On 9/3/22 17:38, Fred Cisin via cctalk wrote: Well, it ain't in the 5150/5160 range! The 5100 new was $10K to $20K. I had a 5100 that a dentist had bought as soon as it  came out and he added the floppy drives and printer.  It was a direct IBM buy for 31000. thanks Also a fair amount of

[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

[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