Slot 1

Slot 1

(hardware, standard)The physical and electrical specificationfor the connector used by some of Intel's microprocessorcards, currently (August 1999) the SEPP Celeron and theSECC Pentium II.

Slot 1 is a departure from the square ZIF PGA/SPGAsockets used by Pentium and earlier processors, theprocessor being mounted on a card, with a 242-leadedge-connector.

The Slot 1 specification allows for higher bus rates thanSocket 7. Slot 1 motherboards use the GTL+ bus protocol.

See also Slot 2, Slot A.

Slot 1

A 242-pin slot on the motherboard that holds Intel CPU modules including the Intel Single Edge Contact Cartridge (SECC and SECC2) and Single Edge Processor Package (SEPP). The Pentium II was the first to use Slot 1. Slot 1 is a narrow slot like a PCI bus slot, not a small rectangular chip socket. See Slot 2, SECC and Slot A.

Slot 1 and Socket 370
This motherboard supports both Slot 1 and Socket 370 for Pentium III chips.