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Guide system utilizing non-flash memory and its method

A flash memory, memory technology, applied in memory systems, using stored programs for program control, boot programs, etc., can solve problems such as high cost and low optimal rated performance

Inactive Publication Date: 2007-03-28
SAMSUNG ELECTRONICS CO LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

Therefore, the system 10 shown in Figure 1 can be costly and less than optimally rated

Method used

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  • Guide system utilizing non-flash memory and its method
  • Guide system utilizing non-flash memory and its method
  • Guide system utilizing non-flash memory and its method

Examples

Experimental program
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Embodiment Construction

[0038] A system using a NAND flash memory according to an embodiment of the present invention is shown in FIG. 2 .

[0039] Referring to FIG. 2 , computing system 20 includes controller 21 , system bus 17 , NAND flash memory 18 and system memory 19 . Computing system 20 includes the basic components of a computing device, which may be a personal digital assistant (PDA), palmtop, laptop, personal computer, or any system booted by a system initialization program (commonly referred to as bootloader code).

[0040] The controller 21 has a CPU core 12 , an internal system bus 13 , a memory controller 14 , a bootloader packager 25 , and an interface 27 . The controller 21 may be embedded in a single semiconductor chip, and generally controls and manages any memory, such as the NAND flash memory 18 connected to the system bus 17 and the system memory 19 .

[0041] The system bus 17 is used for data transfer between the controller 21 , the NAND flash memory 18 and the system memory 1...

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PUM

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Abstract

A system and method are provided for booting a computing device using a NAND flash memory. Boot code stored in the NAND flash memory is transferred to a RAM for execution by the CPU. Operating system program stored in the NAND flash memory is transferred to a system memory for execution therefrom by the CPU after system boot.

Description

technical field [0001] The present invention relates to a system for booting a computing device; more particularly, to a system booting using a NAND flash memory and a booting method thereof. Background technique [0002] In every typical personal computer (PC) or computing device such as a personal digital assistant (PDA), when the PC or device is turned on, a program installed in a basic input / output service (BIOS) is executed. Various initialization functions are performed by executing the BIOS program. These functions are typically: verifying CMOS settings for custom settings; loading interrupt handlers and device drivers; initializing registers and power management; performing a power-on self-test (POST) for installing components such as disk drives or peripherals; displaying system setup; determining which components are bootable; and initializing the bootstrap sequence. Typically, the BIOS (or boot) program is stored in Read Only Memory (ROM), Erasable Programmable ...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): G06F9/06G06F9/445G06F12/00G06F13/14G06F12/06
CPCG06F9/44573G06F9/4406G06F9/4403
Inventor 崔永准权锡千李锡宪李栽荣
Owner SAMSUNG ELECTRONICS CO LTD