Novel USB protocol computer accelerating device based on multi-channel SLC NAND and DRAM cache memory

Abstract

The invention relates to a novel USB protocol computer accelerating device based on the multi-channel SLC NAND and the DRAM cache memory. The novel USB protocol computer accelerating device comprises a main control chip and an SLCNAND module and is provided with a USB interface connected with a computer. Cache files, a cache system and regularly-used files of application programs are established for the computer and distributed in the SLCNAND and a DRAM and scattered files which are frequently read and written are used as high-speed cache. Meanwhile, a device driver improves a USB protocol. A BOT protocol in a traditional USB interface protocol is optimized and resource distribution and optimization is performed on a USB transport protocol. The algorithm and the frame of the device adopt the design which includes that firstly, virtualization is carried out on application programs by the device, and therefore, all program files and system environment files needed by the programs are pre-stored in the device; secondly, a multi-channel mode is adopted, and an array module integrates multiple SLCNANA chips and adopts multi-channel main control; thirdly, data to be used are judged by the system by monitoring habits of users for a long time and pre-stored in the device; fourthly, intelligent compressing and backstage automatic releasing are performed on system memory.

Description

technical field [0001] The product belongs to the field of computer equipment, and is a computer acceleration device based on a new USB protocol of multi-channel SLC NAND array and DRAM cache. Background technique [0002] The replacement of computers is very fast, and there are many product models, various types of equipment, large age spans, and complex system platforms. At present, there is currently no effective general-purpose upgrade solution. [0003] 1. Why do you need products with computer-accelerated functions? [0004] The development of technology always leaves hardware behind. Movies have become high-definition, the system has Win8, the minimum configuration of games has changed to quad-core, and Microsoft's new Office 2013 will take up 2G of memory. Upgrading a computer is expensive, typically costing thousands of dollars. At present, this kind of upgrade is a difficult problem. The existing solution is to upgrade the computer with a new machine. Not only d...

AI Technical Summary

Problems solved by technology

It's not worth the cost to upgrade an old computer

The second is the short lifespan. Solid-state drives are generally MLC flash memory, and their lifespan is very short if they are not properly maintained.

The main reasons for its failure are: 1. It cannot be used on desktops, nor can it be used on most notebooks

All netbooks and most notebook computers do not support the fast disk module, because it not only requires the notebook computer to provide an additional Mini PCI-E slot, but more importantly, it also requires the SATA interface of the notebook computer to support the ACHI function; 2. The installation is complicated, General users will not disassemble and install mini PCI-E, so that they cannot be used for upgrading old computers; 3. The effect is not good

The speed of the PCI-E bus itself is limited to less than 150M per second, while Intel's flash memory is far from reaching this speed. The measured random read and write speed is 35M per second, which does not greatly improve the hard disk, and is not as good as the solid-state drive. , Intel's fast disk is limited in size, and cannot be equipped with cache or parallel modules, or more main control ICs; 4. Expensive

4G Xunpan is priced at $100; 5. Poor system compatibility

Both Readydrive and Readyboost can only be used for operating systems above Windows Vista, and most of the old computers are XP operating systems, and they can only run smoothly under XP

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