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Home » CPU
All Celeron Models
Author: Rafael Otto Coelho and Gabriel Torres and Cássio Lima 196,847 views
Type: Tutorials Last Updated: March 18, 2009
Page: 2 of 11
Convington (Celeron SEPP)

The first Celeron processor to be launched was an economic version of Pentium II Deschutes core. It had 32KB of L1 cache, no L2 cache, MMX technology, worked externally with 66 MHz, and was found in a printed circuit board called SEPP (Single Edge Processor Package), which was connected to the slot 1 motherboard, and was available at speeds of 266 MHz and 300 MHz.

The motherboard used by this Celeron version was the same used by the Pentium II and first Pentium III processors.

Figure 1: Celeron processor with SEPP package.

Main features of Celeron SEPP were:

  • Based on Pentium II with Deschutes core
  • Manufacturing process: 0.25 μm
  • L1 cache: 32 KB total, 16 KB for instructions and 16 KB for data
  • L2 cache: not available (0 KB)
  • External clock rate: 66 MHz
  • Packaging: SEPP
  • Socket: Slot 1

Available models of SEPP Celeron are listed on the chart below. TDP stands for Thermal Design Power and indicates the CPU maximum thermal dissipation.

Model

Internal Clock

Voltage

TDP 

SL2YN 

266 MHz

2 V

16.59 W

SL2QG 

266 MHz

2 V

16.59 W

SL2SY 

266 MHz

2 V

16.59 W

SL2TR 

266 MHz

2 V

16.59 W

SL2X8 

300 MHz

2 V

18.48 W

SL2Y2 

300 MHz

2 V

18.48 W

SL27Z 

300 MHz

2 V

18.48 W

SL2YP 

300 MHz

2 V

18.48 W

SL2Z7 

300 MHz

2 V

18.48 W

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