Title
Read Write Switch 1990A System Building BlockCatalog Number
102629491Type
Physical objectDescription
Handwritten on paper tag is "Model Obsolete." There is a blue ink spot on the bottom of the PCB.Date
1963 ca.Manufacturer
Digital Equipment Corporation (DEC)Identifying Numbers
| Model number | 1990A | |
| Other number | 1990 | Handwritten in black ink on side frame |
| Part number | 1990 | |
| Serial number | 0113429 |
Dimensions
overall: 1/2 in x 7 in x 4 1/2 inCategory
Component/module
