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Intel Celeron 400/200 series processor (Conroe-L, Merom-Chop2)


Model name: Celeron 400/200 series.
Code name: Conroe-L (Merom-Chop2).
Supplier: Intel.
Component class: CPU.


Generation: Core 2.


Single core.

64 bit technology: EM64T.

Multimedia instruction sets: MMX, SSE, SSE2, SSE3, SSSE3.


L1 cache: (2x) 32 kbyte instruction cache, 32 kbyte data cache (Harvard architecture).
L2 cache: 512 kbyte.


200/133 MHz QDR Front-Side Bus (FSB).

Memory protection: XD bit.

No protected program execution environment: Trusted Execution Technology (TXT; LaGrande Technology, LT).

No Virtualization Technology (VT, Vanderpool).


Single core.


Power management

Power management:

  • no Enhanced Intel SpeedStep Technology (EIST),
  • Halt state (C1), Stop-Grant state,
  • Celeron 420 and 220 only: Enhanced Halt state (C1E):
    • Celeron 420: 8 W.

Clock speed

Clock speed Model Multiplier Packaging Introduction Cancellation Order part numbers
133/1200 MHz Intel Celeron 220 1 CPU 9 FCBGA6 October 2007 May 2009 OEM: LE80557RE009512
200/1600 MHz Intel Celeron 420 CPU 8   June 2007   OEM: HH80557RG025512,
PIB: BX80557420,
PIB: BXC80557420
200/1800 MHz Intel Celeron 430 CPU 9   June 2007   OEM: HH80557RG033512,
PIB: BX80557430,
PIB: BXC80557430
200/2000 MHz Intel Celeron 440 CPU 10   June 2007   OEM: HH80557RG041512,
PIB: BX80557440,
PIB: BXC80557440

  1. Intel Desktop Boards Essential Series: soldered on D201GLY2 motherboard, passively cooled


Voltage: 1.05-1.30 V (1.0000-1.3375 V).
Power dissipation:

  • Celeron 220: 19 W TDP,
  • others: 35 W TDP.


  • Celeron 220: 0-100 °C,
  • others: 5-60.4 °C.

Manufacturing process: 65 nm (P1264).

Packaging: Socket T / LGA 775.

Thermal management

Thermal management:

  • TM2 (Thermal Monitor),
  • Celeron 420 and 220 only: thermal diode (Tdiode),
  • Platform Environment Control Interface (PECI).

System management

No remote management.


Platform Compatibility Guide (PCG): 06.


Extended family Extended model Type Family Model Stepping Description
0x0 0x1 0x0 0x6 0x6 0x1 stepping A1

Step level


Step levels: A1.

S-Spec / Stepping code

Model Code Stepping
Intel Celeron 440 CPU SL9XL A1
Intel Celeron 430 CPU SL9XN A1
Intel Celeron 420 CPU SL9XP A1
Intel Celeron 220 CPU SLAF2 A1

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