Pentium 4 3.4GHZ/1M/800 478 pin EM64T 64 bit U 3.4E SL7Q8 can be used in win7 64 bit system, special motherboard is required, classic collection U cannot be exchanged
SL7QB can install 478 Pentium 4 of 64 bit system
478 64 bit EMT64
478 interface 3.4
At the beginning of this century, with the continuous popularity of personal computers, China is setting off a DIY installation boom. An entry-level PC is about 3000 years old, and a Pentium 4 computer of 7000, 8000 or even tens of thousands is also very common for families with good family circumstances. Remember that well-known advertisement "Deng Deng, Deng Deng!"?
Pentium 4 is a new generation of NetBurst architecture processor after Turin Pentium 3. One of the main designs is that it has an ultra long pipeline, which makes it have a main frequency of 3.4 GHz or higher. Computers with the above "HT" logo are equipped with single core simulation dual core hyper threading technology, which can process two tasks in parallel. The Socket 478 interface CPU that people know is basically only capable of 32 bit processing, but there are always exceptions. The Pentium 4 for the eServer xSeries server specifically customized by Intel for IBM supports the EM64T instruction. These processors have never entered the retail market, and the circulation is not large. In other words, without IBM, these processors would not appear in Intel's product line, so it is not easy to find them now.
The special processor specially customized for IBM belongs to the Prescott core of Pentium 4 series. It is based on E0 stepping that supports 64 bit instruction sets, which is not common in 478 pin CPUs. In fact, after E0 step, Intel also released the 478 pin G1 step CPU to the retail market, but it has no such innovation. There are not many companies that can place orders with Intel, especially for products with special specifications, but the "Blue Giant" can do so, all of which is to defeat HP and Dell in the fierce struggle for the server market share of small and medium-sized enterprises. In fact, IBM has long seen a promising future, just as the i386 era changed from 16 bit software to 32-bit software. Today, the reality has already proved that their judgment is correct, and the sunset is approaching the 32-bit computing at that time.
The 64 bit retail processors that people are familiar with are K8 Athlon64 processors originated from AMD and Socket 775 processors from behind. However, even the 775 pin Pentium 4 does not support 64 bit instruction sets in early products. Therefore, the 478 pin Pentium 4 supporting 64 bit is an absolute heterogeneous product.
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