Thank you for the clarifications.
On Oct 14, 9:21 pm, Shirl Casner <shirlg..._at_email.domain.hidden> wrote:
> Rebecca:
>
> A few points of clarification about your Lisa 1 data specs which I'm sure others will have more detailed and more correct replies.
>
> | Original Price: $9985
>
> Recall $9995 (source: Apple Product Introduction Plan [PIP])
>
> | Number Sold: 100000
>
> This is way too high from what I recall. I remember corresponding with one of the Lisa developers (Larry Tesler) many years ago and he mentioned a number around 30,000. Not sure if this is for the Lisa 1 only or both Lisa 1 + 2. Suspect this is for both.
>
> | Graphics Processor: ?
>
> Lisa supported a bitmapped screen which means there was a dedicated portion of memory which a simple circult just streamed out to the video tube. There was no dedicated video processor.
>
> | 5.25" Floppy Drives: 2
>
> Should list capacity of 860 KB each.
>
> - David Craig
>
> ====
>
> On October 14, 2010, at 8:58 PM, Rebecca Bettencourt wrote:
>
> > I just became the owner of the Apple Lisa Computer Data project on
> > Wolfram Alpha Volunteer Central. I have almost all the specs filled
> > out, but there are a couple points where I'm stuck. Also, I want to
> > run the data by this community before I send it out to be etched in
> > stone. Here's what I have:
>
> > Manufacturer: Apple
> > Model: Lisa 1 (this is the only model for which I'm collecting the
> > data, at least for now)
> > Date Announced: January 1983
> > Date Released: June 1983
> > Date Discontinued: April 1985
> > Original Price: $9985
> > Number Sold: 100000
> > Operating System: Apple Lisa Office System
> > Height: 350 mm
> > Width: 475 mm
> > Depth: 388 mm
> > Weight: 22 kg
> > CPU: Motorola 68000
> > CPU Speed: 5 MHz
> > RAM: 1 MB
> > RAM Speed: 1.25 MHz (converted from 800 ns, as listed in the Lisa
> > Hardware Manual)
> > Audio Processor: Motorola 3417 (I saw this mentioned in the 1981 Lisa
> > Hardware Manual, but not the 1983. I actually doubt this is the case.
> > Can anybody verify this?)
> > Audio Processor Speed: 16 MHz (same here)
> > Graphics Processor: ? (Here is where I'm really stuck. The video is
> > controlled by a bunch of logic chips that just read the image from RAM
> > and send it off to the analog video circuitry. There's no processor of
> > any kind. What should I put here? Leave it blank? None? N/A? Motorola
> > 68000?)
> > Graphics Processor Speed: 5 Mhz (same here; I'm just copying the value
> > from CPU Speed)
> > Graphics Memory: 32 KB
> > Display Type: CRT, monochrome
> > Display Size: 10.595 in (calculated from what the Lisa Hardware Manual
> > says; other sources say 12 in. Which one is right?)
> > Cassette Tape Drives: 0
> > 3.5" Floppy Drives: 0
> > 5.25" Floppy Drives: 2
> > Internal Hard Drive: N/A
> > External Hard Drive: 5 MB
> > Other Storage Devices: N/A
> > Interface: keyboard and mouse
> > Ports: 1 parallel, 2 serial, 1 mouse, 1 keyboard, 1 composite video
> > out
> > Expansion Slots: 3 internal
>
> > Sources:
> >http://oldcomputers.net/lisa.html
> >http://www.1000bit.it/support/manuali/download.asp?id=186(Lisa
> > Hardware Manual 1981; anyone got a better link?)
> >http://lisa.sunder.net/LisaHardwareManual1983.pdf
> >http://lisaem.sunder.net/cgi-bin/bookview2.cgi?zoom=-1?page=389?book=29
>
> > Any corrections? Clarifications? Advice? Wolfram Alpha wants sources
> > for everything I put in there, of course, so please point me to any
> > that can help.
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