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Latest known driver: 23.12.2020

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Microsoft’s Undertakings in Open-Source Soft Sphere

Microsoft Corporation is known for its high performance and compliance with the demands of contemporary consumers. In this light, Microsoft has recently created a subsidiary company, Microsoft Open Technologies, which is called to develop and improve the software with the open-source code. Among other responsibilities of newly-created company, Microsoft Open Technologies is entitled with the liability to track and manage all the corporate investments directed to the open-source software sphere.



It should be stated that software with the open source code is a quite promising sphere in IT field. This is explained by the fact that such soft allows developing, changing, replenishing, and polishing the programs and applications by different users at once. This becomes possible due to the open source code available for several users simultaneously. Microsoft Open Technologies will serve also the unifying factor for the multiple companies and communities that long for cooperation with …

New Freezer 12/12 CO Coolers Push the Arctic Company Forward

On a recent day, the Arctic Co. has broadened its CPU coolers range with the Freezer 12 and Freezer 12 CO (CO means “continuous operation”) samples under the ACFRE00027A and ACFRE00030A code names.



The heatsink is the same for both coolers; fans are different, though. The Freezer 12 fan is built on a hydrodynamic bearing, and Freezer 12 CO is based on a fan with a dual ball bearing, which operates extremely long comparing to the better part of models.


The heat dissipator is designed so, that U-shaped 6 mm copper heat pipes stay in touch with each other, thus enhancing the cooling system productivity. The aluminium pressure plate and 45 bent radiator fins also contribute to that.


Fans start to operate at the PWM signal with 40 % pulse width and ensure passive CPU cooling while completing trivial tasks. This lets coolers work silently during such periods. The ultimate noise rate is 22.5 dBA, and the max speed comes up to 2,000 rpm.


Both Arctic novelties support …

AeroCool Showcases a Pair of Strike X Xtreme Gaming Chassis

AeroCool has replenished its line of gaming PC chassis with two new models, codenamed Strike X Xtreme Black Edition and Strike X Xtreme White Edition. Both cases are distinguished by an enhanced framework reliability and a sophisticated cooling system. Plus, an upgraded functionality allows for the creation of various powerful system configurations.



AeroCool Strike X Xtreme chassis are developed in mid-tower form-factor and are housed in solid steel cases (SECC) with voluminous ventilation grids. Internal layout is sufficient for the installation of ATX or micro-ATX motherboards, graphics cards of up to 293 mm in length, and CPU tower-like coolers of up to 172 mm in height. In addition, internal framework stipulates the integration of seven PCI-cards, four 5.25-inch devices (all with an output to the frontal facet), and of six 3.5-inch drives. The nominal delivery kit also contains a dedicated adapter for the installation of 2.5-inch SSD devices.


Both cases are ready to …

Intel(R) 4 Series Chipset PCI Express Root Port - 2E21 Driver Download

Intel(R) 4 Series Chipset PCI Express Root Port - 2E21 for Windows 2000, Windows XP, Windows 2003,

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Driver name Intel(R) 4 Series Chipset PCI Express Root Port - 2E21
File name 62120_infinst_autol.zip
Vendor Intel
Driver type SYSTEM
Size 5.4 Mb
Version 9.1.9.1005
Driver Date 2013-07-25
Operating system Windows 2000, Windows XP, Windows 2003, Windows Vista, Windows 7, Windows 8, Windows 8.1, Windows 10, Windows XP x64, Windows 2003 x64, Windows Vista x64, Windows 7 x64, Windows 8 x64, Windows 8.1 x64, Windows 10 x64
Upload 2014-02-23
Or click to install driver manually

Download free driver for Intel(R) 4 Series Chipset PCI Express Root Port - 2E21 Windows 2000, Windows XP, Windows 2003, Windows Vista, Windows 7, Windows 8, Windows 8.1, Windows 10, Windows XP x64, Windows 2003 x64, Windows Vista x64, Windows 7 x64, Windows 8 x64, Windows 8.1 x64, Windows 10 x64

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[-] Supported devices

2nd Generation Intel(R) Core(TM) Processor Family DRAM Controller - 0100 *PNP0C33
2nd Generation Intel(R) Core(TM) Processor Family DRAM Controller - 0104 HID\VEN_8087&DEV_33D1
DH89xxCC LEB - 043E HID\VEN_INT&DEV_33D1
DH89xxCC MEs - 0434 PCI\VEN_8086&DEV_0051
Integrated Memory Controller - 2C18 PCI\VEN_8086&DEV_0100
Integrated Memory Controller Channel 0 Address Registers - 2C21 PCI\VEN_8086&DEV_0101
Integrated Memory Controller Channel 0 Control Registers - 2C20 PCI\VEN_8086&DEV_0104
Integrated Memory Controller Channel 0 Rank Registers - 2C22 PCI\VEN_8086&DEV_0105
Integrated Memory Controller Channel 0 Thermal Control Registers - 2C23 PCI\VEN_8086&DEV_0108
Integrated Memory Controller Channel 1 Address Registers - 2C29 PCI\VEN_8086&DEV_0109
Integrated Memory Controller Channel 1 Control Registers - 2C28 PCI\VEN_8086&DEV_010D
Integrated Memory Controller Channel 1 Rank Registers - 2C2A PCI\VEN_8086&DEV_032C
Integrated Memory Controller Channel 1 Thermal Control Registers - 2C2B PCI\VEN_8086&DEV_0800
Integrated Memory Controller Channel 2 Address Registers - 2C31 PCI\VEN_8086&DEV_0801
Integrated Memory Controller Channel 2 Control Registers - 2C30 PCI\VEN_8086&DEV_0802
Integrated Memory Controller Channel 2 Rank Registers - 2C32 PCI\VEN_8086&DEV_0807
Integrated Memory Controller Channel 2 Thermal Control Registers - 2C33 PCI\VEN_8086&DEV_0808
Integrated Memory Controller RAS Registers - 2C1A PCI\VEN_8086&DEV_080D
Integrated Memory Controller Target Address Decoder - 2C19 PCI\VEN_8086&DEV_0812
Integrated Memory Controller Test Registers - 2C1C PCI\VEN_8086&DEV_0813
Intel(R) 31154 133MHz PCI TO PCI Bridge - 537C PCI\VEN_8086&DEV_0815
Intel(R) 3200/3210 Chipset DRAM Controller - 29F0 PCI\VEN_8086&DEV_0816
Intel(R) 3200/3210 Chipset Host-Primary PCI Express Bridge - 29F1 PCI\VEN_8086&DEV_0817
Intel(R) 3210 Chipset Host-Secondary PCI Express Bridge - 29F9 PCI\VEN_8086&DEV_0C00
Intel(R) 3400 Chipset LPC Interface Controller - 3B12 PCI\VEN_8086&DEV_0C01
Intel(R) 3420 Chipset LPC Interface Controller - 3B14 PCI\VEN_8086&DEV_0C04
Intel(R) 3450 Chipset LPC Interface Controller - 3B16 PCI\VEN_8086&DEV_0C05
Intel(R) 4 Series Chipset PCI Express Root Port - 2E01 PCI\VEN_8086&DEV_0C08
Intel(R) 4 Series Chipset PCI Express Root Port - 2E09 PCI\VEN_8086&DEV_0C09
Intel(R) 4 Series Chipset PCI Express Root Port - 2E11 PCI\VEN_8086&DEV_0C46
Intel(R) 4 Series Chipset PCI Express Root Port - 2E19 PCI\VEN_8086&DEV_0C47
Intel(R) 4 Series Chipset PCI Express Root Port - 2E21 PCI\VEN_8086&DEV_0C48
Intel(R) 4 Series Chipset PCI Express Root Port - 2E29 PCI\VEN_8086&DEV_0C49
Intel(R) 4 Series Chipset PCI Express Root Port - 2E31 PCI\VEN_8086&DEV_0C4E
Intel(R) 4 Series Chipset PCI Express Root Port - 2E41 PCI\VEN_8086&DEV_0C54
Intel(R) 4 Series Chipset PCI Express Root Port - 2E91 PCI\VEN_8086&DEV_0C55
Intel(R) 4 Series Chipset Processor to I/O Controller - 2E00 PCI\VEN_8086&DEV_0C56
Intel(R) 4 Series Chipset Processor to I/O Controller - 2E10 PCI\VEN_8086&DEV_0C59
Intel(R) 4 Series Chipset Processor to I/O Controller - 2E20 PCI\VEN_8086&DEV_0C5A
Intel(R) 4 Series Chipset Processor to I/O Controller - 2E30 PCI\VEN_8086&DEV_0C5B
Intel(R) 4 Series Chipset Processor to I/O Controller - 2E40 PCI\VEN_8086&DEV_0C5C
Intel(R) 4 Series Chipset Processor to I/O Controller - 2E90 PCI\VEN_8086&DEV_0C5D
Intel(R) 4th Gen Core processor DRAM Controller - 0C00 PCI\VEN_8086&DEV_0C5E
Intel(R) 5 Series/3400 Series Chipset Family 2 port Serial ATA Storage Controller - 3B21 PCI\VEN_8086&DEV_0C5F
Intel(R) 5 Series/3400 Series Chipset Family 2 port Serial ATA Storage Controller - 3B26 PCI\VEN_8086&DEV_0C60
Intel(R) 5 Series/3400 Series Chipset Family 2 port Serial ATA Storage Controller - 3B2D PCI\VEN_8086&DEV_0C70
Intel(R) 5 Series/3400 Series Chipset Family 4 Port SATA AHCI Controller - 3B23 PCI\VEN_8086&DEV_0C71
Intel(R) 5 Series/3400 Series Chipset Family 4 Port SATA AHCI Controller - 3B29 PCI\VEN_8086&DEV_0C72
Intel(R) 5 Series/3400 Series Chipset Family 4 port Serial ATA Storage Controller - 3B20 PCI\VEN_8086&DEV_0C73
Intel(R) 5 Series/3400 Series Chipset Family 4 port Serial ATA Storage Controller - 3B28 PCI\VEN_8086&DEV_0C74