Solid logic technology (SLT) module
International Business Machines Corporation (IBM)
||8523023 A 3406 55L
||Printed on right-hand, black plastic connector, component-side
||Incised on right-hand, black plastic connector, solder-side
overall: 1/2 in x 3 1/2 in x 3 in
One (1) SLT module type8523023. The obverse-side of the module is covered by a variety of components, and the back by solder joints and circuit lines.
SAP Collection, Computer History Museum