Patent ID: 8027801
Filing Date: 2011-09-27
Classification: G01R,G11B

Abstract:
1. A data storage device test method comprising: performing an operation test of each of plural data storage devices connected to tester by making the plural data storage devices execute commands received from the tester, wherein the operation test comprises a first portion and a second portion, wherein the tester transfers data involved in the operation test to the plural data storage devices using Direct Memory Access (DMA), wherein, in the first portion of the of the operation test, during a waiting period when exchange is paused between the tester and a data storage device of which operation test is being executed, the tester executes the operation test of another one of the plural storage devices, wherein, in the first portion of the operation test, when the waiting period of the paused exchange between the tester and said data storage device expires, the tester pauses the operation test of said other one of the plural storage devices to resume the operation test of said storage device, and wherein, in the second portion of the operation test, in response to a determination that a speed performance test is to be performed on the data storage device, the tester halts the testing of all other of the plural storage devices so that a central processing unit (CPU) of the tester may be dedicated to performing the speed performance test on the data storage device.