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Interface circuit of peripheral interface-small computer system interface

A small computer and interface circuit technology, which is applied in the field of PCI-SCSI interface circuit, can solve the problems of inconvenience for network users, affecting the operation of the network system, and the inability of the server host to provide data service functions, etc.

Inactive Publication Date: 2005-03-30
INVENTEC CORP
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0007] However, in practical applications, if the above-mentioned PCI-SCSI interface circuit fails, it will cause the entire hard disk array system to be unable to perform data access operations, thereby making the server host unable to provide normal data service functions and affecting the entire system. Operation of the network system
Although this failure condition can be eliminated through maintenance work, it is obvious that it will still cause great inconvenience to the majority of network users during the maintenance period.

Method used

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  • Interface circuit of peripheral interface-small computer system interface
  • Interface circuit of peripheral interface-small computer system interface
  • Interface circuit of peripheral interface-small computer system interface

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Embodiment Construction

[0029] The following is in line with the accompanying drawings figure 2 and image 3 , to describe in detail the embodiment of the interface circuit of the peripheral component interface-small computer system interface of the present invention.

[0030] see figure 2 The basic system architecture of the PCI-SCSI interface circuit 200 of the present invention also includes the following system components: a SCSI controller (SCSI controller) 210; a SCSI connector (SCSI connector) 220; and a terminator (SCSI terminator) 230 ; And these system components 210, 220, 230 are transmitted data and control signals by a SCSI bus 240 .

[0031] PCI-SCSI interface circuit 200 of the present invention is different from figure 1 The standard PCI-SCSI interface circuit 100 shown is characterized in that a jumper 231 is arranged on the end point of the enable signal line 232 in the SCSI bus 240, and one end of the jumper 231 is connected to the system power supply V CC (i.e. logic high po...

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Abstract

An interface circuit for SCSI is designed as a stand-by one, which can be set up to off state when it is initially coupled to SCSI terminal. If required, it can be set to enable state by a stand-by enabling signal, so it can be equipped to a fault-tolerant data transmission interface device.

Description

technical field [0001] The present invention relates to a computer hardware technology, in particular to a PCI-SCSI interface circuit, which is specially designed as a spare interface circuit, which can be automatically set to be closed when it is initially coupled to a SCSI terminator state; and it can be set to enable state by a standby enable signal when it is needed as a backup interface circuit in the future. [0002] The PCI-SCSI interface circuit of the present invention can be applicable in a fault-tolerant data transmission interface device, and can be replaced with the interface circuit of the peripheral component interface-small computer system interface of the present invention immediately when the interface circuit of the main control fails. Its data transmission interface function. Background technique [0003] Array hard disk system technology can integrate multiple hard disk units into a single hard disk system in an array to provide several times the storag...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): G06F3/00
Inventor 李俊良
Owner INVENTEC CORP