It is either a prototype or a very early production device. It has FACTORY DEMO handwritten as serial number. See attachments.
Can anyone bring any light on what is this?
I might have found a Model 600 factory prototype
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Re: I might have found a Model 600 factory prototype
Welcome! Very nice find.
C4P working, C1P working. 600D Replica working, C4P+D&N floppy not working. 505 board, 610 board, Mittendorf board, TOSIE hacker board need testing, PicoDOS disk untested.
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Re: I might have found a Model 600 factory prototype
Welcome!
It does look like a prototype. I'm not aware of any version released before the Rev B. This unit has no Rev. designtator, and has no connector or circuitry to the left of the keyboard. The Rev B and above had the model number above the keyboard.
A very interesting specimen, perhaps one of a kind.
It does look like a prototype. I'm not aware of any version released before the Rev B. This unit has no Rev. designtator, and has no connector or circuitry to the left of the keyboard. The Rev B and above had the model number above the keyboard.
A very interesting specimen, perhaps one of a kind.