We don't have synonyms for slot 1 yet — it may be a rare, specialized, newly coined, or misspelled word. The closest thesaurus entries we have are slot 2 and slot a.
(N) :
Slot 1 refers to the physical and electrical specification for the connector used by some of Intel's microprocessors, including the Pentium Pro, Celeron, Pentium II and the Pentium III.
(N) :
Slot 1 refers to the physical and electrical specification for the connector used by some of Intel's microprocessors, including the Pentium Pro, Celeron, Pentium II and the Pentium III.