Specifications
Computer Architecture and Maintenance (G-Scheme-2014)
Slot 1 (SC242)
Slot 1, also called SC242 (slot connector 242 pins), is used by the SEC design that is used
with the cartridge-type Pentium II/III and Celeron processors (see Figure).
Figure. Slot 1 connector dimensions and pin
layout.
Slot 2 (SC330)
Slot 2, otherwise called SC330 (slot
connector 330 pins), is used on high-
end motherboards that support the
Pentium II Xeon and Pentium III Xeon
processors. Figure. shows the Slot 2
connector.
Figure. Slot 2 (SC330) connector dimensions and pin layout.
The Pentium II Xeon and Pentium III Xeon processors are designed in a cartridge
similar to, but larger than, that used for the standard Pentium II/III. Figure. shows the
Xeon cartridge.
Figure 3.33 Pentium II/III Xeon cartridge.
Slot 2 motherboards were used in higher-end
systems such as workstations or servers based on
the Pentium II Xeon or Pentium III Xeon. These
versions of the Xeon differ from the standard
Pentium II and slot-based Pentium III mainly by
virtue of having full-core speed L2 cache, and in
some versions more of it. The additional pins allow for additional signals needed by
multiple processors.
Prepared By – Prof. Manoj.kavedia (9860174297 – 9324258878 ) (www.kavediasir.yolasite.com)
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