The 6-DE-63/104-LB is identical to the 6-DE-63/104 but with mounting bracket and other area cut off to allow for joining a Little Board to a short ISA bus to plug in one or more ISA boards. (The LB stands for Little Board.)
Options: (If not specified, we will ship the 'P' option.)
6-DE-63/104-LB-S (female socket only)
*6-DE-63/104-LB-P (male pins only)
6-DE-63/104-LB-T (pass-through connectors)