CN102915267A - SAS (serial attached SCSI) port testing system and method - Google Patents
SAS (serial attached SCSI) port testing system and method Download PDFInfo
- Publication number
- CN102915267A CN102915267A CN2011102183963A CN201110218396A CN102915267A CN 102915267 A CN102915267 A CN 102915267A CN 2011102183963 A CN2011102183963 A CN 2011102183963A CN 201110218396 A CN201110218396 A CN 201110218396A CN 102915267 A CN102915267 A CN 102915267A
- Authority
- CN
- China
- Prior art keywords
- sas
- signal
- port
- measured
- sas port
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
Links
Images
Abstract
Disclosed are SAS (serial attached SCSI) port testing system and method. The system runs in a master control computer which is connected with an oscillograph and a mechanical arm. A test jig is disposed on the mechanical arm. The system comprises a parameter setup module, an arm control module, a signal measuring module and a signal analysis module. The method includes: controlling the mechanical arm to move the test jig to each SAS port to acquire SAS signals, and using the oscillograph to measure and analyze a signal integrity parameter corresponding to the SAS signal with optimal signal integrity so as to find a parameter set value the most appropriate to each drive SAS port. SAS ports of an electronic product can be automatically tested by the SAS port testing system and method, the testing process is simple, and the test results are highly accurate.
Description
Technical field
The present invention relates to a kind of port measurement system and method, particularly about a kind of SAS port test system and method.
Background technology
At present, the widely used memory communication port of market enterprise is main with port connected in series (Serial Attached SCSI, SAS port) generally.Arrange in order to ensure the signal integrity sexual needs of the SATA-TX signal of the SATA hard disk parameter to the drive IC of SATA hard disk.Usually, need to adjust to the SATA-TX signal owing to SATA hard disk classification difference.Present stage all is to use setting and the measurement of manually doing repeatability, selects suitable measurement parameters according to test result again, and its test is loaded down with trivial details and consuming time, and the accuracy of test result is not high.
Summary of the invention
In view of above content, be necessary to provide a kind of SAS port test system and method, the SAS signal automatic analysis of testing each SAS port goes out to have the SAS signal parameter of Optimal Signals integrality, thereby finds out the pre-set parameter that drives the SAS port.
Described SAS port test system runs in the main control computer, and this main control computer is connected with oscillograph and mechanical arm, and this mechanical arm is equipped with measurement jig.This system comprises: parameter arranges module, is used for arranging one group of parameter to be measured of estimating the SAS signal integrity, and sets SAS signal strength scale and project number of times to be measured; The arm control module is used for the SAS port that the control mechanical arm moves to measurement jig required measurement; The measuring signal module, be used for the SAS port and regulate the SAS signal strength scale, control SAS port produces the SAS signal of respective strengths grade, utilizes measurement jig to measure the SAS signal that the SAS port produces, and utilizes oscillograph to analyze the actual measured value corresponding to parameter to be measured of SAS signal; Signal analyse block, the actual measured value that is used for analysis SAS signal is found out strength grade corresponding to SAS signal with Optimal Signals integrality, with the pre-set parameter of this strength grade as driving SAS port, and the testing journal sheet of generation SAS port.
Described SAS port testing method comprises step: one group of parameter to be measured of estimating the SAS signal integrity is set, and sets SAS signal strength scale and project number of times to be measured; The control mechanical arm moves to measurement jig on the SAS port of required measurement; The SAS port is regulated the SAS signal strength scale, and control SAS port produces the SAS signal of respective strengths grade; Utilize measurement jig to measure the SAS signal that the SAS port produces, and utilize oscillograph to analyze the actual measured value corresponding to parameter to be measured of SAS signal; Analyze the actual measured value of SAS signal and find out strength grade corresponding to SAS signal with Optimal Signals integrality; The strength grade that the SAS signal of Optimal Signals integrality is corresponding is as the pre-set parameter that drives the SAS port and produce the testing journal sheet of SAS port.
Compared to prior art, SAS port test system and method for the present invention can move to each SAS port with measurement jig from the control mechanical arm and obtain the SAS signal, utilize oscillograph to measure and analyze the corresponding signal integrity parameter of the SAS signal with Optimal Signals integrality, thus find out the most suitable each drive the pre-set parameter of SAS port.
Description of drawings
Fig. 1 is the Organization Chart of SAS port test of the present invention system preferred embodiment.
Fig. 2 is the process flow diagram of SAS port testing method of the present invention preferred embodiment.
The main element symbol description
SAS port test system 10
Parameter arranges module 101
SAS port 20
Oscillograph 3
Following embodiment further specifies the present invention in connection with above-mentioned accompanying drawing.
Embodiment
As shown in Figure 1, be the Organization Chart of SAS port test of the present invention system 10 preferred embodiments.Described SAS port is a kind of port connected in series (Serial Attached SCSI is called for short the SAS port).In the present embodiment, described SAS port test system's 10 installations also run in the main control computer 1, this main control computer 1 is connected with electronic product 2 to be measured by COM port, and be connected with oscillograph 3 by general purpose interface bus (General-Purpose Interface Bus, gpib interface).Described electronic product to be measured 2 is a kind of motherboard or calculation elements that comprise a plurality of SAS ports 20, for example, and personal computer, server etc.
Described main control computer 1 comprises SAS port test system 10, microprocessor (Microprocessor) 11 and storer 12.Described SAS port test system 10 is used for obtaining the SAS signal from each SAS port 20, utilize oscillograph 3 measurements and analyze the corresponding signal integrity parameter of the SAS signal with Optimal Signals integrality, thereby find out the driving pre-set parameter of the most suitable each SAS port 20.Described signal integrity parameter include but not limited to, signal averaging amplitude, amount of jitter, cycle, frequency, rising time and under rise along time etc.
In the present embodiment, described SAS port test system 10 comprises that parameter arranges module 101, arm control module 102, measuring signal module 103 and signal analyse block 104.The alleged module of the present invention means a kind of can be by the microprocessor 11 of main control computer 1 performed and can finish the series of computation machine program segment of fixed function, and it is stored in the storer 12 of main control computer 1.
Described parameter arranges module 101 and is used for arranging one group of parameter to be measured of estimating the SAS signal integrity, such as signal averaging amplitude, amount of jitter, cycle, frequency, rising time and under rise along the time etc.This parameter arranges strength grade and the project number of times to be measured (being designated as X) that module 101 also is used for setting the SAS signal.In the present embodiment, described signal strength scale comprises that signal amplitude (Swing) grade, signal rising edge/lower liter along (Rise/Fall) grade and signal strengthen (Emphasis) grade.For example, if each signal strength scale is defined as respectively 1 to 3 grade, project number of times to be measured then is X=3 * 3 * 3=27 time.If each signal strength scale is defined as respectively 1 to 5 grade, then project number of times to be measured is X=5 * 5 * 5=125 time.
Described arm control module 102 is used for each SAS port 20 that control mechanical arm 4 moves to measurement jig 5 electronic product 2 to be measured.In the present embodiment, arm control module 102 steering orders are controlled mechanical arm 4 and are moved, thereby so that measurement jig 5 moves on each SAS port 20 tests.
Described measuring signal module 103 is used for regulating the strength grade of SAS signal by SAS port 20, and controls the SAS signal that this SAS port 20 produces the respective strengths grade.If need to strengthen the SAS signal intensity, 103 SAS signal intensities that strengthen 20 outputs of SAS port of measuring signal module for example are adjusted to the 2nd grade from the 1st grade.If need weaken the SAS signal intensity, 103 SAS signal intensities that reduce by 20 outputs of SAS port of measuring signal module for example are adjusted to the 4th grade from the 5th grade.
Described measuring signal module 103 also is used for utilizing measurement jig 5 to measure the SAS signal that SAS port 20 produces, utilize oscillograph 3 to analyze the parameter to be measured of SAS signal, the actual measured value that each parameter to be measured of SAS signal is corresponding records hereof, and this document is saved in the storer 12.This measuring signal module 103 also is used for the testing time (being designated as Y) of current testing SA S signal is added one, i.e. Y=Y+1, and judge whether testing time Y equals project number of times X to be measured.
Described signal analyse block 104 is used for analyzing the actual measured value of each SAS signal and finding out the SAS signal with Optimal Signals integrality when testing time Y equals project number of times X to be measured.For example, signal analyse block 104 SAS signal that the signal jitter amount is minimum is as the SAS signal of Optimal Signals integrality.This signal analyse block 104 also is used for finding out strength grade corresponding to optimum SAS signal according to the signal integrity analysis result, with the pre-set parameter of this strength grade as this SAS port 20 of driving.This signal analyse block 104 also is used for producing according to the driving pre-set parameter of each SAS port 20 testing journal sheet of SAS port 20, and this testing journal sheet is kept in the storer 12.
As shown in Figure 2, be the process flow diagram of SAS port testing method of the present invention preferred embodiment.In the present embodiment, method of the present invention can be used in from the SAS port 20 of electronic product 2 to be measured and obtains the SAS signal, utilize oscillograph 3 measurements and analyze the corresponding signal integrity parameter of the SAS signal with Optimal Signals integrality, thereby find out the driving pre-set parameter of the most suitable each SAS port 20.
Step S21, the tester is connected main control computer 1 with electronic product 2 to be measured and mechanical arm 4, and oscillograph 3 is connected with main control computer 1 and measurement jig 5.In the present embodiment, main control computer 1 is connected with electronic product 2 by COM port, and is connected with oscillograph 3 by gpib interface, and oscillograph 3 is connected with measurement jig 5 by gpib interface.
Step S22, parameter arranges module 101 one group of parameter to be measured of estimating the SAS signal integrity is set, and sets signal strength scale and the project number of times to be measured (being designated as X) of SAS signal.In the present embodiment, described parameter signal average amplitude to be measured, amount of jitter, cycle, frequency, rising time and under rise along time etc.Described signal strength scale comprises that signal amplitude (Swing) grade, signal rising edge/lower liter along (Rise/Fall) grade and signal strengthen (Emphasis) grade.For example, if each signal strength scale is defined as respectively 1 to 3 grade, project number of times to be measured then is X=3 * 3 * 3=27 time.If each signal strength scale is defined as respectively 1 to 5 grade, then project number of times to be measured is X=5 * 5 * 5=125 time.
Step S23, arm control module 102 control mechanical arms 4 move to measurement jig 5 on the SAS port 20 of electronic product 2 to be measured.In the present embodiment, arm control module 102 steering orders are controlled mechanical arm 4 and are moved, thereby so that measurement jig 5 move on the SAS port 20 of required test.
Step S24, measuring signal module 103 is regulated the strength grade of SAS signal by SAS port 20, and control SAS port 20 produces the SAS signal of respective strengths grade.In the present embodiment, if need to strengthen the SAS signal intensity, 103 SAS signal intensities that strengthen 20 outputs of SAS port of measuring signal module for example are adjusted to the 2nd grade from the 1st grade.If need weaken the SAS signal intensity, 103 SAS signal intensities that reduce by 20 outputs of SAS port of measuring signal module for example are adjusted to the 4th grade from the 5th grade.
Step S25, measuring signal module 103 utilizes measurement jig 5 to measure the SAS signal that SAS port 20 produces, and utilizes oscillograph 3 to analyze the parameter to be measured of SAS signal.
Step S26, measuring signal module 103 actual measured value that each parameter to be measured of SAS signal is corresponding is recorded in the file, and this document is kept in the storer 12, synchronous signal measurement module 103 adds one with the testing time (being designated as Y) of current testing SA S signal, i.e. Y=Y+1.
Step S27, measuring signal module 103 judges whether testing time Y equals project number of times X to be measured.If testing time Y is less than project number of times X to be measured, flow process then turns to step S24; If testing time Y equals project number of times X to be measured, flow process is execution in step S28 then.
Step S28, the actual measured value that signal analyse block 104 is analyzed each SAS signal is found out the SAS signal with Optimal Signals integrality, find out strength grade corresponding to optimum SAS signal according to the signal integrity analysis result, and with the pre-set parameter of this strength grade as driving SAS port 20.In the present embodiment, signal analyse block 104 SAS signal that the signal jitter amount is minimum is as the SAS signal of Optimal Signals integrality.
Step S29, measuring signal module 103 checks whether all the SAS ports 20 on the electronic product 2 to be measured are completed.If also have SAS port 20 not to be completed, flow process then turns to step S23, and control mechanical arm 4 moves to measurement jig 5 on the next SAS port 20 to be tested.If all SAS ports 20 have been completed, then flow process then turns to step S30.
Step S30, signal analyse block 104 produces the testing journal sheet of SAS port 20 according to the driving pre-set parameter of each SAS port 20, and this testing journal sheet is kept in the storer 12.
Above embodiment is only unrestricted in order to technical scheme of the present invention to be described, although with reference to above preferred embodiment the present invention is had been described in detail, those of ordinary skill in the art should be appreciated that and can make amendment or the person is equal to the spirit and scope that replacement should not break away from technical solution of the present invention to technical scheme of the present invention.
Claims (12)
1. SAS port test system, this system runs in the main control computer, and this main control computer is connected with oscillograph and mechanical arm, and this mechanical arm is equipped with measurement jig, it is characterized in that, and this system comprises:
Parameter arranges module, is used for arranging one group of parameter to be measured of estimating the SAS signal integrity, and sets SAS signal strength scale and project number of times to be measured;
The arm control module is used for the SAS port that the control mechanical arm moves to measurement jig required measurement;
The measuring signal module, be used for the SAS port and regulate the SAS signal strength scale, control SAS port produces the SAS signal of respective strengths grade, utilizes measurement jig to measure the SAS signal that the SAS port produces, and utilizes oscillograph to analyze the actual measured value corresponding to parameter to be measured of SAS signal;
Signal analyse block be used for to be analyzed the actual measured value of SAS signal and is found out strength grade corresponding to SAS signal with Optimal Signals integrality, and with this strength grade as the pre-set parameter that drives the SAS port and produce the testing journal sheet of SAS port.
2. SAS port test as claimed in claim 1 system is characterized in that, described main control computer is connected with electronic product to be measured by COM port, and described oscillograph is connected with main control computer and measurement jig by gpib interface.
3. SAS port test as claimed in claim 1 system, it is characterized in that, described measuring signal module also is used for the current testing time of record testing SA S signal, regulates the SAS signal strength scale when testing time during less than project number of times to be measured and continues to measure the SAS signal that the SAS port produces.
4. SAS port test as claimed in claim 1 system, it is characterized in that, described measuring signal module also is used for checking whether all SAS ports are completed on the electronic product to be measured, if also have the SAS port not to be completed, then control mechanical arm and measurement jig is moved on the next SAS port test.
5. SAS port test as claimed in claim 1 system is characterized in that, described parameter to be measured comprise signal averaging amplitude, amount of jitter, cycle, frequency, rising time and under rise along the time.
6. SAS port test as claimed in claim 1 system is characterized in that, described signal strength scale comprises rising under signal amplitude grade, signal rising edge grade, the signal along grade and signal and strengthens grade.
7. a SAS port testing method is applied in the main control computer, and this main control computer is connected with oscillograph and mechanical arm, and this mechanical arm is equipped with measurement jig, it is characterized in that, the method comprising the steps of:
One group of parameter to be measured of estimating the SAS signal integrity is set, and sets SAS signal strength scale and project number of times to be measured;
The control mechanical arm moves to measurement jig on the SAS port of required measurement;
The SAS port is regulated the SAS signal strength scale, and control SAS port produces the SAS signal of respective strengths grade;
Utilize measurement jig to measure the SAS signal that the SAS port produces, and utilize oscillograph to analyze the actual measured value corresponding to parameter to be measured of SAS signal;
Analyze the actual measured value of SAS signal and find out strength grade corresponding to SAS signal with Optimal Signals integrality;
The strength grade that the SAS signal of Optimal Signals integrality is corresponding is as the pre-set parameter that drives the SAS port and produce the testing journal sheet of SAS port.
8. SAS port testing method as claimed in claim 7 is characterized in that, described main control computer is connected with electronic product to be measured by COM port, and described oscillograph is connected with main control computer and measurement jig by gpib interface.
9. SAS port testing method as claimed in claim 7 is characterized in that, the method also comprises:
The current testing time of record testing SA S signal;
When testing time during less than project number of times to be measured, return the step that the SAS port is regulated the SAS signal strength scale, in order to continue to measure the SAS signal that the SAS port produces.
10. SAS port testing method as claimed in claim 7 is characterized in that, the method also comprises:
Check whether all SAS ports are completed on the electronic product to be measured;
If also have the SAS port not to be completed, then control mechanical arm and measurement jig is moved on the next SAS port test.
11. SAS port testing method as claimed in claim 7 is characterized in that, described parameter to be measured comprise signal averaging amplitude, amount of jitter, cycle, frequency, rising time and under rise along the time.
12. SAS port testing method as claimed in claim 7 is characterized in that, described signal strength scale comprises that liter strengthens grade along grade and signal under signal amplitude grade, signal rising edge grade, the signal.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011102183963A CN102915267A (en) | 2011-08-01 | 2011-08-01 | SAS (serial attached SCSI) port testing system and method |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011102183963A CN102915267A (en) | 2011-08-01 | 2011-08-01 | SAS (serial attached SCSI) port testing system and method |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN102915267A true CN102915267A (en) | 2013-02-06 |
Family
ID=47613640
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2011102183963A Pending CN102915267A (en) | 2011-08-01 | 2011-08-01 | SAS (serial attached SCSI) port testing system and method |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN102915267A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110515788A (en) * | 2019-09-29 | 2019-11-29 | 浪潮商用机器有限公司 | A kind of test device of data-interface |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| TW200916794A (en) * | 2007-10-05 | 2009-04-16 | Hon Hai Prec Ind Co Ltd | System and method for automatically measuring waveforms |
| CN101865975A (en) * | 2009-04-16 | 2010-10-20 | 鸿富锦精密工业（深圳）有限公司 | Main board testing system and method |
| CN101900787A (en) * | 2009-05-25 | 2010-12-01 | 鸿富锦精密工业（深圳）有限公司 | Test system and method of circuit board |
-
2011
- 2011-08-01 CN CN2011102183963A patent/CN102915267A/en active Pending
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| TW200916794A (en) * | 2007-10-05 | 2009-04-16 | Hon Hai Prec Ind Co Ltd | System and method for automatically measuring waveforms |
| CN101865975A (en) * | 2009-04-16 | 2010-10-20 | 鸿富锦精密工业（深圳）有限公司 | Main board testing system and method |
| CN101900787A (en) * | 2009-05-25 | 2010-12-01 | 鸿富锦精密工业（深圳）有限公司 | Test system and method of circuit board |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110515788A (en) * | 2019-09-29 | 2019-11-29 | 浪潮商用机器有限公司 | A kind of test device of data-interface |
| CN110515788B (en) * | 2019-09-29 | 2023-12-29 | 浪潮商用机器有限公司 | Testing device for data interface |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN101865975B (en) | Main board testing system and method | |
| CN102252820B (en) | On-line automatic testing system in production of optical module | |
| CN102928772B (en) | Timing sequence test system and method for testing thereof | |
| CN102314532B (en) | IBIS (Input/Output Buffer Information Specification) model verification method and system | |
| CN104459588A (en) | System and method for current sensor test | |
| US20140375346A1 (en) | Test control device and method for testing signal integrities of electronic product | |
| CN103855045A (en) | Adjustment method for parameters of chips on wafer | |
| CN105116369A (en) | Radio frequency radiation disturbance rejection degree test apparatus and system | |
| CN113868066A (en) | Test and measurement system for analyzing a device under test | |
| CN101832813A (en) | Noise and Vibration-Measuring System based on virtual instrument technique | |
| TWI416141B (en) | System and method for testing a printed circuit board | |
| CN109004904A (en) | Calibration parameter setting method, device, system, equipment and medium | |
| TWI426284B (en) | System and method for measuring signal integrity of sas signals from sas ports | |
| CN101865946A (en) | Alternating current parameter testing system and method of programmable digital integrated circuit | |
| CN103140767B (en) | High throughput semiconductor device testing | |
| CN101393240A (en) | Electric network harmonic on-line supervisory circuit based on virtual instrument and working method thereof | |
| CN102866308A (en) | SAS signal integrity analysis system and method | |
| CN103197276A (en) | Reliability automatic detecting device of intelligent energy meter | |
| CN203178477U (en) | Automatic detection device for reliability of intelligent electric energy meter | |
| CN102915267A (en) | SAS (serial attached SCSI) port testing system and method | |
| CN107765202A (en) | The on-line calibration system and method for AC measurment unit in integrated circuit test system | |
| CN109522263B (en) | I2C link monitoring system | |
| CN102955730A (en) | System and method for testing signal integrity of hard disk interfaces | |
| CN108521571B (en) | SDI chip automatic detection method and device, storage medium and terminal | |
| CN104133167A (en) | DC step-down circuit test system and method |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| C05 | Deemed withdrawal (patent law before 1993) | ||
| WD01 | Invention patent application deemed withdrawn after publication |
Application publication date: 20130206 |