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<p>朋友拿来精英K7SEM板子一块,带CPU和内存,上电诊断卡跑41不显,卡上的IRDY和FRAME在不停地闪.查资料:</p><p class="MsoNormal" style="MARGIN: 0cm 0cm 0pt;"><span style="FONT-FAMILY: 宋体; mso-ascii-font-family: "Times New Roman"; mso-hansi-font-family: "Times New Roman";">开机跑</span><span lang="EN-US"><font face="Times New Roman"><span style="mso-spacerun: yes;"> </span>05</font></span><span style="FONT-FAMILY: 宋体; mso-ascii-font-family: "Times New Roman"; mso-hansi-font-family: "Times New Roman";">—</span><span lang="EN-US"><font face="Times New Roman"> 0D---41<span style="mso-spacerun: yes;"> </span></font></span></p><p class="MsoNormal" style="MARGIN: 0cm 0cm 0pt;"><span lang="EN-US"><font face="Times New Roman">a.<span style="mso-spacerun: yes;"> </span></font></span><span style="FONT-FAMILY: 宋体; mso-ascii-font-family: "Times New Roman"; mso-hansi-font-family: "Times New Roman";">更换</span><span lang="EN-US"><font face="Times New Roman">BIOS</font></span><span style="FONT-FAMILY: 宋体; mso-ascii-font-family: "Times New Roman"; mso-hansi-font-family: "Times New Roman";">开机看是否正常</span><span lang="EN-US"><font face="Times New Roman">
</font></span></p><p class="MsoNormal" style="MARGIN: 0cm 0cm 0pt;"><span lang="EN-US"><font face="Times New Roman">b.<span style="mso-spacerun: yes;"> </span></font></span><span style="FONT-FAMILY: 宋体; mso-ascii-font-family: "Times New Roman"; mso-hansi-font-family: "Times New Roman";">查</span><span lang="EN-US"><font face="Times New Roman">BIOS</font></span><span style="FONT-FAMILY: 宋体; mso-ascii-font-family: "Times New Roman"; mso-hansi-font-family: "Times New Roman";">之</span><span lang="EN-US"><font face="Times New Roman">SA0-SA6#</font></span><span style="FONT-FAMILY: 宋体; mso-ascii-font-family: "Times New Roman"; mso-hansi-font-family: "Times New Roman";">信号及其相关线路是否不良</span><span lang="EN-US"><font face="Times New Roman">
</font></span></p><p class="MsoNormal" style="MARGIN: 0cm 0cm 0pt;"><span style="FONT-FAMILY: 宋体; mso-ascii-font-family: "Times New Roman"; mso-hansi-font-family: "Times New Roman";">查</span><font face="Times New Roman">
</font><span style="FONT-FAMILY: 宋体; mso-ascii-font-family: "Times New Roman"; mso-hansi-font-family: "Times New Roman";">其信号及相关线路有无</span><font face="Times New Roman">
</font><span style="FONT-FAMILY: 宋体; mso-ascii-font-family: "Times New Roman"; mso-hansi-font-family: "Times New Roman";">或零件不良</span></p><p class="MsoNormal" style="MARGIN: 0cm 0cm 0pt;"><span lang="EN-US"><font face="Times New Roman"><span style="mso-spacerun: yes;"> <span lang="EN-US"><font face="Times New Roman">c.<span style="mso-spacerun: yes;"> </span>I/O R,I/O W OPEN SHORT<span style="mso-spacerun: yes;"> </span></font></span></span></font></span></p><p class="MsoNormal" style="MARGIN: 0cm 0cm 0pt;"><span lang="EN-US"><font face="Times New Roman">d.<span style="mso-spacerun: yes;"> </span></font></span><span style="FONT-FAMILY: 宋体; mso-ascii-font-family: "Times New Roman"; mso-hansi-font-family: "Times New Roman";">查内存之</span><span lang="EN-US"><font face="Times New Roman">CAS0-CAS7,MA0-MA13</font></span><span style="FONT-FAMILY: 宋体; mso-ascii-font-family: "Times New Roman"; mso-hansi-font-family: "Times New Roman";">等信号</span><span lang="EN-US"><font face="Times New Roman">
</font></span></p><p>按以上除了C点的,ABD步骤查过都搞不定,接下来换IO,F244缓冲器,板上的集成网卡也拆了,内存也换了,还是不行,恼火啊.</p><p>没办法从头来,想想因为AMD的散热片扣难拆没换过CPU,试换了一下CPU竞然点亮了,晕啊.看来资料上可以加一点:</p><p>e:CPU坏.</p><p>疑问:<span lang="EN-US"><font face="Times New Roman">c.<span style="mso-spacerun: yes;"> </span>I/O R,I/O W OPEN SHORT中说的,I/O R和I/O W这两点在哪查?</font></span></p> |
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