Intel® 955X Express Chipset

Summary Information
Name Intel® 82955X Memory Controller
Code Name Formerly Lakeport
Launch Date Q2'05
Max TDP 13.5 Watts
TCase
Package Size 34mm x 34mm
Halogen Free Available No
Datasheet Download Datasheet
Additional Component Information
FSB Speed 200/266MHz
Number of Memory Channels 2
Max Memory 8 GB
Max Memory Bandwidth 10.7GB/s
ECC Memory True
License Required
Integrated Graphics No
Dual Independent Display No
Graphics Output
Block Diagrams
Block Diagram

Valid MCH/ICH Combinations

Chipset CombinationEmbeddedIntel® SIPPChipset Status
Intel® 955X Express Chipset with 82801GB I/O Controller Hub 7 (ICH7) No No Launched
Intel® 955X Express Chipset with 82801GR I/O Controller Hub 7 (ICH7R) No No Launched

Ordering Information

Product NameSocketStepStep TDPOrdering CodeSPEC CodeEmbeddedHalogen FreeVT-x
Intel® 82801GR I/O Controller Hub (ICH7R), Pb-Free SLIPBGA652A1 3.3 WattsNH82801GRSLGSQ YesNo 
Intel® 82801GR I/O Controller Hub (ICH7R), Pb-Free SLIPBGA652A1 3.3 WattsNH82801GRSL8FY YesNo 
Intel® 82801GB I/O Controller Hub (ICH7), Pb-Free SLIPBGA652A1 3.3 WattsNH82801GBSL8FX NoNo 
Intel® 82801GB I/O Controller Hub (ICH7), Pb-Free SLIPBGA652A1 3.3 WattsNH82801GBSL8FUXNoNo 
Intel® 82801GB I/O Controller Hub (ICH7)PBGA652A1 3.3 WattsFW82801GBSL8TF YesNo 

Sampling Information

None Available

Retired and Discontinued

Product NameSocketStepStep TDPOrdering CodeSPEC CodeEmbeddedHalogen FreeVT-x
Intel® 82801GB I/O Controller Hub (ICH7), Pb-Free SLIPBGA652A1 3.3 WattsNH82801GBSLGSP NoNo 
Intel® 82955X Memory Controller Hub (MCH)PBGA1202A1 13.5 WattsQG82955XSL8FW NoNo 

Valid Processor Combinations

ProcessorSystem DetailsEmbeddedIntel® SIPP# of CPUsSystem TDPEstimated 1k Unit System Price
Intel® Pentium® 4 Processor 651 supporting HT Technology (2M Cache, 3.40 GHz, 800 MHz FSB) Intel® 955X Express Chipset with 82801GB I/O Controller Hub 7 (ICH7) No No 181.8 WattsN/A
Intel® Pentium® 4 Processor 630 supporting HT Technology (2M Cache, 3.00 GHz, 800 MHz FSB) Intel® 955X Express Chipset with 82801GB I/O Controller Hub 7 (ICH7) No No 1100.8 WattsN/A
Intel® Pentium® 4 Processor 640 supporting HT Technology (2M Cache, 3.20 GHz, 800 MHz FSB) Intel® 955X Express Chipset with 82801GB I/O Controller Hub 7 (ICH7) No No 1100.8 WattsN/A
Intel® Pentium® 4 Processor 650 supporting HT Technology (2M Cache, 3.40 GHz, 800 MHz FSB) Intel® 955X Express Chipset with 82801GB I/O Controller Hub 7 (ICH7) No No 1100.8 WattsN/A
Intel® Pentium® 4 Processor 631 supporting HT Technology (2M Cache, 3.00 GHz, 800 MHz FSB) Intel® 955X Express Chipset with 82801GB I/O Controller Hub 7 (ICH7) No No 1102.8 WattsN/A
Intel® Pentium® 4 Processor 641 supporting HT Technology (2M Cache, 3.20 GHz, 800 MHz FSB) Intel® 955X Express Chipset with 82801GB I/O Controller Hub 7 (ICH7) No No 1102.8 WattsN/A
Intel® Pentium® 4 Processor 661 supporting HT Technology (2M Cache, 3.60 GHz, 800 MHz FSB) Intel® 955X Express Chipset with 82801GB I/O Controller Hub 7 (ICH7) No No 1102.8 WattsN/A
Intel® Pentium® D Processor 805 (2M Cache, 2.66 GHz, 533 MHz FSB) Intel® 955X Express Chipset with 82801GB I/O Controller Hub 7 (ICH7) No No 1111.8 WattsN/A
Intel® Pentium® D Processor 820 (2M Cache, 2.80 GHz, 800 MHz FSB) Intel® 955X Express Chipset with 82801GB I/O Controller Hub 7 (ICH7) No No 1111.8 WattsN/A
Intel® Pentium® D Processor 915 (4M Cache, 2.80 GHz, 800 MHz FSB) Intel® 955X Express Chipset with 82801GB I/O Controller Hub 7 (ICH7) No No 1111.8 WattsN/A
Intel® Pentium® D Processor 920 (4M Cache, 2.80 GHz, 800 MHz FSB) Intel® 955X Express Chipset with 82801GB I/O Controller Hub 7 (ICH7) No No 1111.8 WattsN/A
Intel® Pentium® D Processor 925 (4M Cache, 3.00 GHz, 800 MHz FSB) Intel® 955X Express Chipset with 82801GB I/O Controller Hub 7 (ICH7) No No 1111.8 WattsN/A
Intel® Pentium® D Processor 930 (4M Cache, 3.00 GHz, 800 MHz FSB) Intel® 955X Express Chipset with 82801GB I/O Controller Hub 7 (ICH7) No No 1111.8 WattsN/A
Intel® Pentium® D Processor 935 (4M Cache, 3.20 GHz, 800 MHz FSB) Intel® 955X Express Chipset with 82801GB I/O Controller Hub 7 (ICH7) No No 1111.8 WattsN/A
Intel® Pentium® D Processor 945 (4M Cache, 3.40 GHz, 800 MHz FSB) Intel® 955X Express Chipset with 82801GB I/O Controller Hub 7 (ICH7) No No 1111.8 WattsN/A
Intel® Pentium® 4 Processor 660 supporting HT Technology (2M Cache, 3.60 GHz, 800 MHz FSB) Intel® 955X Express Chipset with 82801GB I/O Controller Hub 7 (ICH7) No No 1131.8 WattsN/A
Intel® Pentium® 4 Processor 662 supporting HT Technology (2M Cache, 3.60 GHz, 800 MHz FSB) Intel® 955X Express Chipset with 82801GB I/O Controller Hub 7 (ICH7) No No 1131.8 WattsN/A
Intel® Pentium® 4 Processor 670 supporting HT Technology (2M Cache, 3.80 GHz, 800 MHz FSB) Intel® 955X Express Chipset with 82801GB I/O Controller Hub 7 (ICH7) No No 1131.8 WattsN/A
Intel® Pentium® 4 Processor 672 supporting HT Technology (2M Cache, 3.80 GHz, 800 MHz FSB) Intel® 955X Express Chipset with 82801GB I/O Controller Hub 7 (ICH7) No No 1131.8 WattsN/A
Intel® Pentium® D Processor 830 (2M Cache, 3.00 GHz, 800 MHz FSB) Intel® 955X Express Chipset with 82801GB I/O Controller Hub 7 (ICH7) No No 1146.8 WattsN/A
Intel® Pentium® D Processor 840 (2M Cache, 3.20 GHz, 800 MHz FSB) Intel® 955X Express Chipset with 82801GB I/O Controller Hub 7 (ICH7) No No 1146.8 WattsN/A
Intel® Pentium® D Processor 940 (4M Cache, 3.20 GHz, 800 MHz FSB) Intel® 955X Express Chipset with 82801GB I/O Controller Hub 7 (ICH7) No No 1146.8 WattsN/A
Intel® Pentium® D Processor 950 (4M Cache, 3.40 GHz, 800 MHz FSB) Intel® 955X Express Chipset with 82801GB I/O Controller Hub 7 (ICH7) No No 1146.8 WattsN/A
Intel® Pentium® D Processor 960 (4M Cache, 3.60 GHz, 800 MHz FSB) Intel® 955X Express Chipset with 82801GB I/O Controller Hub 7 (ICH7) No No 1146.8 WattsN/A
Intel® Pentium® 4 Processor 651 supporting HT Technology (2M Cache, 3.40 GHz, 800 MHz FSB) Intel® 955X Express Chipset with 82801GR I/O Controller Hub 7 (ICH7R) No No 181.8 WattsN/A
Intel® Pentium® 4 Processor 630 supporting HT Technology (2M Cache, 3.00 GHz, 800 MHz FSB) Intel® 955X Express Chipset with 82801GR I/O Controller Hub 7 (ICH7R) No No 1100.8 WattsN/A
Intel® Pentium® 4 Processor 640 supporting HT Technology (2M Cache, 3.20 GHz, 800 MHz FSB) Intel® 955X Express Chipset with 82801GR I/O Controller Hub 7 (ICH7R) No No 1100.8 WattsN/A
Intel® Pentium® 4 Processor 650 supporting HT Technology (2M Cache, 3.40 GHz, 800 MHz FSB) Intel® 955X Express Chipset with 82801GR I/O Controller Hub 7 (ICH7R) No No 1100.8 WattsN/A
Intel® Pentium® 4 Processor 631 supporting HT Technology (2M Cache, 3.00 GHz, 800 MHz FSB) Intel® 955X Express Chipset with 82801GR I/O Controller Hub 7 (ICH7R) No No 1102.8 WattsN/A
Intel® Pentium® 4 Processor 641 supporting HT Technology (2M Cache, 3.20 GHz, 800 MHz FSB) Intel® 955X Express Chipset with 82801GR I/O Controller Hub 7 (ICH7R) No No 1102.8 WattsN/A
Intel® Pentium® 4 Processor 661 supporting HT Technology (2M Cache, 3.60 GHz, 800 MHz FSB) Intel® 955X Express Chipset with 82801GR I/O Controller Hub 7 (ICH7R) No No 1102.8 WattsN/A
Intel® Pentium® D Processor 805 (2M Cache, 2.66 GHz, 533 MHz FSB) Intel® 955X Express Chipset with 82801GR I/O Controller Hub 7 (ICH7R) No No 1111.8 WattsN/A
Intel® Pentium® D Processor 820 (2M Cache, 2.80 GHz, 800 MHz FSB) Intel® 955X Express Chipset with 82801GR I/O Controller Hub 7 (ICH7R) No No 1111.8 WattsN/A
Intel® Pentium® D Processor 915 (4M Cache, 2.80 GHz, 800 MHz FSB) Intel® 955X Express Chipset with 82801GR I/O Controller Hub 7 (ICH7R) No No 1111.8 WattsN/A
Intel® Pentium® D Processor 920 (4M Cache, 2.80 GHz, 800 MHz FSB) Intel® 955X Express Chipset with 82801GR I/O Controller Hub 7 (ICH7R) No No 1111.8 WattsN/A
Intel® Pentium® D Processor 925 (4M Cache, 3.00 GHz, 800 MHz FSB) Intel® 955X Express Chipset with 82801GR I/O Controller Hub 7 (ICH7R) No No 1111.8 WattsN/A
Intel® Pentium® D Processor 930 (4M Cache, 3.00 GHz, 800 MHz FSB) Intel® 955X Express Chipset with 82801GR I/O Controller Hub 7 (ICH7R) No No 1111.8 WattsN/A
Intel® Pentium® D Processor 935 (4M Cache, 3.20 GHz, 800 MHz FSB) Intel® 955X Express Chipset with 82801GR I/O Controller Hub 7 (ICH7R) No No 1111.8 WattsN/A
Intel® Pentium® D Processor 945 (4M Cache, 3.40 GHz, 800 MHz FSB) Intel® 955X Express Chipset with 82801GR I/O Controller Hub 7 (ICH7R) No No 1111.8 WattsN/A
Intel® Pentium® 4 Processor 660 supporting HT Technology (2M Cache, 3.60 GHz, 800 MHz FSB) Intel® 955X Express Chipset with 82801GR I/O Controller Hub 7 (ICH7R) No No 1131.8 WattsN/A
Intel® Pentium® 4 Processor 662 supporting HT Technology (2M Cache, 3.60 GHz, 800 MHz FSB) Intel® 955X Express Chipset with 82801GR I/O Controller Hub 7 (ICH7R) No No 1131.8 WattsN/A
Intel® Pentium® 4 Processor 670 supporting HT Technology (2M Cache, 3.80 GHz, 800 MHz FSB) Intel® 955X Express Chipset with 82801GR I/O Controller Hub 7 (ICH7R) No No 1131.8 WattsN/A
Intel® Pentium® 4 Processor 672 supporting HT Technology (2M Cache, 3.80 GHz, 800 MHz FSB) Intel® 955X Express Chipset with 82801GR I/O Controller Hub 7 (ICH7R) No No 1131.8 WattsN/A
Intel® Pentium® D Processor 830 (2M Cache, 3.00 GHz, 800 MHz FSB) Intel® 955X Express Chipset with 82801GR I/O Controller Hub 7 (ICH7R) No No 1146.8 WattsN/A
Intel® Pentium® D Processor 840 (2M Cache, 3.20 GHz, 800 MHz FSB) Intel® 955X Express Chipset with 82801GR I/O Controller Hub 7 (ICH7R) No No 1146.8 WattsN/A
Intel® Pentium® D Processor 940 (4M Cache, 3.20 GHz, 800 MHz FSB) Intel® 955X Express Chipset with 82801GR I/O Controller Hub 7 (ICH7R) No No 1146.8 WattsN/A
Intel® Pentium® D Processor 950 (4M Cache, 3.40 GHz, 800 MHz FSB) Intel® 955X Express Chipset with 82801GR I/O Controller Hub 7 (ICH7R) No No 1146.8 WattsN/A
Intel® Pentium® D Processor 960 (4M Cache, 3.60 GHz, 800 MHz FSB) Intel® 955X Express Chipset with 82801GR I/O Controller Hub 7 (ICH7R) No No 1146.8 WattsN/A