Computer History Museum

Apple LISA Prototype - CPU

<p>This is a prototype Apple LISA computer without the plastic shell. IT has a custom plywood foot on the left side (only)., 2 5 1/4" floppy drives on the right and a 12" diagona CRT monitor on the right. The main logic board is mounted vetically in the rear, with has a daughter card labeled "COP 421 SIMULATOR" plugged into it. The main logic board plugs into a motherboard which has 2 female DB-25 connectors, and 1 male DB-9 connector. There are also 3 50 pin female edge connectors for peripherals behind the floppy disks drives on the motherboard. Wired into the logic board are two buttons mounted to the right side of the chassis with (now blank) paper labels. The front has an on/off switch and a potentiometer shaft under the CRT, and a 1/4" audio jack, matching the keyboard connector, unerneath the floppy drives.</p>

Apple LISA Prototype - CPU - Image 1
Apple LISA Prototype - CPU - Image 2
Apple LISA Prototype - CPU - Image 3
Apple LISA Prototype - CPU - Image 4
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Apple LISA Prototype - CPU - Image 9
Apple LISA Prototype - CPU - Image 10

Item Details

Date
ca. 1981 (Made)
Type
Physical Object
Catalogue number
X2436.2002A
Other identifying number
0820 (SERIAL NUMBER)
SK1155-00 (PART NUMBER)
2851 (SERIAL NUMBER)
Organization
Apple Computer, Inc. (Manufacturer)
Category
Desktop
Credit line
Donated by Michael Plitkins
Place of publication
North America/USA
Acquisition number
X2436.2002A