Computer History Museum

SMS card DF YU

This record contains three (3) Standard Modular System (SMS) cards type: Diffused Junction P to N Buffer Converter. This card was used with the IBM 7090 system. The circuit card is made of an epoxy paper laminate material. "BAD" is written in pencil on one of the card's component side.

SMS card DF YU - Image 1
SMS card DF YU - Image 2

Item Details

Date
Circa 1959 (Made)
Type
Physical Object
Catalogue number
102716839
Other identifying number
371345 (PART NUMBER)
DF YU (OTHER IDENTIFYING NUMBER)
EC 105815 (OTHER IDENTIFYING NUMBER)
EC 108540 (OTHER IDENTIFYING NUMBER)
EC 113096 (OTHER IDENTIFYING NUMBER)
Credit line
Gift of Paul Pierce
Weight
1 (lb)
Dimension
2 5/8w x 4 1/2h x 3/8l (in)
6.67w x 11.43h x 0.95l (cm)
Acquisition number
X7021.2014