{"id":902,"date":"2012-03-03T23:05:03","date_gmt":"2012-03-03T15:05:03","guid":{"rendered":"http:\/\/blog.dword1511.info\/?p=902"},"modified":"2012-04-02T19:56:54","modified_gmt":"2012-04-02T11:56:54","slug":"%e9%bb%91%e7%89%87%e7%8e%8b%e2%80%94%e2%80%94%e5%ae%89%e5%9b%bd-sc708-%e5%b0%8f%e8%af%95","status":"publish","type":"post","link":"http:\/\/blog.dword1511.info\/?p=902","title":{"rendered":"\u9ed1\u7247\u738b\u2014\u2014\u5b89\u56fd SC708 \u5c0f\u8bd5"},"content":{"rendered":"<p>\u4eca\u5929\u4e00\u4e0b\u5348\u52a0\u4e0a\u4e00\u665a\u4e0a\u7684\u6210\u679c\uff0c\u5c31\u662f\u641e\u5e9f\u4e86\u4e00\u7247 SM3257AA \u3001\u4e24\u7247 SM3252BA \u8ddf\u4e00\u7247 FC8505 \u9644\u5e26\u4e24\u7247\u4e45\u8fdc\u7684\u62c6\u673a SLC NAND \uff08\u6211\u7684\u5fc3\u5728\u6ef4\u8840\uff09\u3002\u9664\u6b64\u4e4b\u5916\uff0c\u8fd8\u7ec8\u4e8e\u62ff SC708 \u505a\u6210\u4e86\u4e00\u53ea U \u76d8\uff0c\u4e0d\u8fc7\u5199\u5165\u5751\u7239\u5230\u53ea\u6709 1MB\/s \u591a\u4e00\u70b9\u3002<\/p>\n<p><!--more-->\u677f\u5b50\u662f\u5728 mydigit \u4e0a\u5927\u6811\u7684\u6dd8\u5b9d\u5e97\u94fa\u91cc\u9762\u4e70\u7684\uff0c\u5176\u4e2d SC708 \u7684\u677f\u5b50\u53bb\u6389\u591a\u4f59\u90e8\u5206\u540e\u662f\u8fd9\u4e2a\u6837\u5b50\u7684\uff1a<\/p>\n<p><a href=\"http:\/\/blog.dword1511.info\/wp-uploads\/2012\/03\/P1070818.jpg\"><img decoding=\"async\" loading=\"lazy\" class=\"aligncenter size-medium wp-image-903\" title=\"P1070818\" src=\"http:\/\/blog.dword1511.info\/wp-uploads\/2012\/03\/P1070818-400x300.jpg\" alt=\"\" width=\"400\" height=\"300\" srcset=\"http:\/\/blog.dword1511.info\/wp-uploads\/2012\/03\/P1070818-400x300.jpg 400w, http:\/\/blog.dword1511.info\/wp-uploads\/2012\/03\/P1070818-1024x768.jpg 1024w\" sizes=\"(max-width: 400px) 100vw, 400px\" \/><\/a><\/p>\n<p><a href=\"http:\/\/blog.dword1511.info\/wp-uploads\/2012\/03\/P1070819.jpg\"><img decoding=\"async\" loading=\"lazy\" class=\"aligncenter size-medium wp-image-904\" title=\"P1070819\" src=\"http:\/\/blog.dword1511.info\/wp-uploads\/2012\/03\/P1070819-400x300.jpg\" alt=\"\" width=\"400\" height=\"300\" srcset=\"http:\/\/blog.dword1511.info\/wp-uploads\/2012\/03\/P1070819-400x300.jpg 400w, http:\/\/blog.dword1511.info\/wp-uploads\/2012\/03\/P1070819-1024x768.jpg 1024w\" sizes=\"(max-width: 400px) 100vw, 400px\" \/><\/a><\/p>\n<p>\u88c5\u4e0a\u95ea\u5b58\u4e4b\u540e\u5c31\u7167\u4f8b\u5f00\u59cb\u91cf\u4ea7\u4e86\u3002\u7b2c\u4e00\u6b21\u5168\u90e8\u62a5\u574f\u5feb\uff0c\u4e8e\u662f\u53c8\u62ff\u7ec6\u6bdb\u7259\u5237\u597d\u597d\u5730\u6e05\u7406\u4e86\u4e0b\u95ea\u5b58\u7684\u5f15\u811a\uff0c\u7136\u540e\u7ec8\u4e8e\u80fd\u901a\u8fc7\u4f4e\u683c\u4e86\u3002<\/p>\n<p>\u4e0d\u8fc7\u5728\u6700\u540e\u4e00\u6b65\u8fd8\u662f\u51fa\u73b0\u4e86\u201c\u521b\u5efa\u6587\u4ef6\u7cfb\u7edf\u5931\u8d25\u201d\u8fd9\u6837\u7684\u9519\u8bef\uff0c\u624b\u52a8\u683c\u5f0f\u5316\u5219\u63d0\u793a\u78c1\u76d8\u6709\u5199\u4fdd\u62a4\u3002<\/p>\n<p>\u628a\u505a\u597d\u7684 U \u76d8\u4ece\u865a\u62df\u673a\u91cc\u62ff\u51fa\u6765\uff0c\u53d1\u73b0\u5982\u4e0b\u5185\u6838\u65e5\u5fd7\uff1a<\/p>\n<pre>dword@dword-as4741g:~$ dmesg|tail\r\n[182362.407057] sd 115:0:0:0: Attached scsi generic sg2 type 0\r\n[182363.407186] ready\r\n[182363.407555] sd 115:0:0:0: [sdc] 2036736 512-byte logical blocks: (1.04 GB\/994 MiB)\r\n[182363.408053] sd 115:0:0:0: [sdc] Write Protect is on\r\n[182363.408058] sd 115:0:0:0: [sdc] Mode Sense: 03 00 80 00\r\n[182363.408061] sd 115:0:0:0: [sdc] Assuming drive cache: write through\r\n[182363.410044] sd 115:0:0:0: [sdc] Assuming drive cache: write through\r\n[182363.465080]  sdc: unknown partition table\r\n[182363.466962] sd 115:0:0:0: [sdc] Assuming drive cache: write through\r\n[182363.466967] sd 115:0:0:0: [sdc] Attached SCSI removable disk<\/pre>\n<p>Write protect is <strong>on<\/strong> \uff1f\u95ee\u9898\u5e94\u8be5\u5c31\u5728\u8fd9\u4e86\u3002\u4f46\u662f\u8fd9\u4e2a\u677f\u5b50\u8c8c\u4f3c\u6ca1\u6709\u5199\u4fdd\u62a4\u5f00\u5173\u554a\uff1f<\/p>\n<p>\u540e\u6765\u7a81\u7136\u60f3\u5230\u4ee5\u524d\u7814\u7a76 AU6987 \uff08 AU6987 \/ FC8708 \/ SC708 \u5176\u5b9e\u51e0\u4e4e\u662f\u5b8c\u5168\u76f8\u540c\u7684\u82af\u7247\uff09\u7684\u65f6\u5019\u53d1\u73b0\u5b83\u6709\u4e2a\u5199\u4fdd\u62a4\u76f8\u5173\u7684\u9488\u811a\uff1a<\/p>\n<p><a href=\"http:\/\/blog.dword1511.info\/wp-uploads\/2012\/03\/6987-lqfp48.png\"><img decoding=\"async\" loading=\"lazy\" class=\"aligncenter size-medium wp-image-906\" title=\"6987-lqfp48\" src=\"http:\/\/blog.dword1511.info\/wp-uploads\/2012\/03\/6987-lqfp48-392x400.png\" alt=\"\" width=\"392\" height=\"400\" srcset=\"http:\/\/blog.dword1511.info\/wp-uploads\/2012\/03\/6987-lqfp48-392x400.png 392w, http:\/\/blog.dword1511.info\/wp-uploads\/2012\/03\/6987-lqfp48.png 556w\" sizes=\"(max-width: 392px) 100vw, 392px\" \/><\/a><\/p>\n<p><a href=\"http:\/\/blog.dword1511.info\/wp-uploads\/2012\/03\/AU6987pindefs.png\"><img decoding=\"async\" loading=\"lazy\" class=\"aligncenter size-medium wp-image-907\" title=\"AU6987pindefs\" src=\"http:\/\/blog.dword1511.info\/wp-uploads\/2012\/03\/AU6987pindefs-282x400.png\" alt=\"\" width=\"282\" height=\"400\" srcset=\"http:\/\/blog.dword1511.info\/wp-uploads\/2012\/03\/AU6987pindefs-282x400.png 282w, http:\/\/blog.dword1511.info\/wp-uploads\/2012\/03\/AU6987pindefs.png 595w\" sizes=\"(max-width: 282px) 100vw, 282px\" \/><\/a><\/p>\n<p>\u8fd9\u662f\u4e00\u4e2a\u8f93\u5165\u811a\uff0c\u8bf4\u660e\u5b83\u662f\u7528\u6765\u63a7\u5236\u5199\u4fdd\u62a4\u5f00\u5173\u7684\uff0c\u5e76\u4e14\u6b63\u5e38\u60c5\u51b5\u4e0b\u5e94\u8be5\u63a5\u4f4e\u7535\u5e73\u3002\u4f46\u662f\u4e00\u756a\u6d4b\u8bd5\u540e\u53d1\u73b0\uff0c\u8fd9\u677f\u5b50\u4e0a\u7684\u8be5\u9488\u811a\u662f\u60ac\u7a7a\u7684\uff01<\/p>\n<p>\u6570\u7535\u8001\u5e08\u6ca1\u544a\u8bc9\u4f60 CMOS \u7535\u8def\u4e0d\u7528\u7684\u8f93\u5165\u4e0d\u80fd\u60ac\u7a7a\u4e48\uff1f<\/p>\n<p>\u540e\u6765\u4ece\u52a3\u8d28\u53d8\u538b\u5668\u4e0a\u626f\u4e0b\u6765\u4e00\u622a\u975e\u5e38\u7ec6\u7684\u6f06\u5305\u7ebf\uff08\u7c97\u7684\u4e0d\u597d\u4f7f\uff0c\u60f3\u4e86\u534a\u5929\u624d\u60f3\u5230\u8fd9\u73a9\u610f\uff09\uff0c\u628a SC708 \u7684 20 \u811a\u8ddf\u65c1\u8fb9\u7535\u5bb9\u7684\u5730\u8fde\u8d77\u6765\u4e86\uff1a<\/p>\n<p><a href=\"http:\/\/blog.dword1511.info\/wp-uploads\/2012\/03\/P1070816.jpg\"><img decoding=\"async\" loading=\"lazy\" class=\"aligncenter size-medium wp-image-908\" title=\"P1070816\" src=\"http:\/\/blog.dword1511.info\/wp-uploads\/2012\/03\/P1070816-400x300.jpg\" alt=\"\" width=\"400\" height=\"300\" srcset=\"http:\/\/blog.dword1511.info\/wp-uploads\/2012\/03\/P1070816-400x300.jpg 400w, http:\/\/blog.dword1511.info\/wp-uploads\/2012\/03\/P1070816-1024x768.jpg 1024w, http:\/\/blog.dword1511.info\/wp-uploads\/2012\/03\/P1070816.jpg 1600w\" sizes=\"(max-width: 400px) 100vw, 400px\" \/><\/a><\/p>\n<p>\u8fd9\u6837\u5f04\u4e86\u4ee5\u540e\u679c\u7136\u5c31\u6b63\u5e38\u4e86\uff1a<\/p>\n<pre>dword@dword-as4741g:~$ dmesg|tail\r\n[183279.652451] sd 116:0:0:0: [sdc] 2036736 512-byte logical blocks: (1.04 GB\/994 MiB)\r\n[183279.652943] sd 116:0:0:0: [sdc] Write Protect is off\r\n[183279.652947] sd 116:0:0:0: [sdc] Mode Sense: 03 00 00 00\r\n[183279.652951] sd 116:0:0:0: [sdc] Assuming drive cache: write through\r\n[183279.654933] sd 116:0:0:0: [sdc] Assuming drive cache: write through\r\n[183279.709982]  sdc: unknown partition table\r\n[183279.711664] sd 116:0:0:0: [sdc] Write Protect is on\r\n[183279.711668] sd 116:0:0:0: [sdc] Mode Sense: 03 00 80 00\r\n[183279.711671] sd 116:0:0:0: [sdc] Assuming drive cache: write through\r\n[183279.711675] sd 116:0:0:0: [sdc] Attached SCSI removable disk<\/pre>\n<p>\u7136\u540e\u91cf\u4ea7\u4e5f\u6210\u529f\u4e86\uff1a<\/p>\n<p><a href=\"http:\/\/blog.dword1511.info\/wp-uploads\/2012\/03\/fcmpsuc.png\"><img decoding=\"async\" loading=\"lazy\" class=\"aligncenter size-medium wp-image-909\" title=\"fcmpsuc\" src=\"http:\/\/blog.dword1511.info\/wp-uploads\/2012\/03\/fcmpsuc-400x212.png\" alt=\"\" width=\"400\" height=\"212\" srcset=\"http:\/\/blog.dword1511.info\/wp-uploads\/2012\/03\/fcmpsuc-400x212.png 400w, http:\/\/blog.dword1511.info\/wp-uploads\/2012\/03\/fcmpsuc-1024x542.png 1024w, http:\/\/blog.dword1511.info\/wp-uploads\/2012\/03\/fcmpsuc.png 1366w\" sizes=\"(max-width: 400px) 100vw, 400px\" \/><\/a><\/p>\n<p>\u4f46\u662f\u6211\u5b9e\u5728\u9ad8\u5174\u5730\u65e9\u4e86\u70b9\u3002\u628a U \u76d8\u91cd\u65b0\u5206\u914d\u5230\u5bbf\u4e3b\u673a\u4e0a\u4e4b\u540e\uff0c\u5c1d\u8bd5\u5199\u6587\u4ef6\u7ed3\u679c\u5931\u8d25\u4e86\uff0c\u770b\u4e86\u4e0b\u5185\u6838\u65e5\u5fd7\uff1a<\/p>\n<pre>dword@dword-as4741g:~$ dmesg|tail -20\r\n[184759.523666] sd 125:0:0:0: Attached scsi generic sg2 type 0\r\n[184759.524828] sd 125:0:0:0: [sdc] 2044928 512-byte logical blocks: (1.04 GB\/998 MiB)\r\n[184759.525498] sd 125:0:0:0: [sdc] Write Protect is off\r\n[184759.525502] sd 125:0:0:0: [sdc] Mode Sense: 03 00 00 00\r\n[184759.525506] sd 125:0:0:0: [sdc] Assuming drive cache: write through\r\n[184759.528179] sd 125:0:0:0: [sdc] Assuming drive cache: write through\r\n[184759.758485]  sdc:\r\n[184759.759952] sd 125:0:0:0: [sdc] Assuming drive cache: write through\r\n[184759.759956] sd 125:0:0:0: [sdc] Attached SCSI removable disk\r\n[184760.400431] FAT: bogus number of reserved sectors\r\n[184760.400436] VFS: Can't find a valid FAT filesystem on dev sdc.\r\n[184798.663025] sd 125:0:0:0: [sdc] Unhandled sense code\r\n[184798.663029] sd 125:0:0:0: [sdc]  Result: hostbyte=DID_OK driverbyte=DRIVER_SENSE\r\n[184798.663038] sd 125:0:0:0: [sdc]  Sense Key : Data Protect [current]\r\n[184798.663043] Info fld=0x0\r\n[184798.663045] sd 125:0:0:0: [sdc]  Add. Sense: Write protected\r\n[184798.663051] sd 125:0:0:0: [sdc] CDB: Write(10): 2a 00 00 00 00 00 00 00 08 00\r\n[184798.663061] end_request: I\/O error, dev sdc, sector 0\r\n[184798.663066] Buffer I\/O error on device sdc, logical block 0\r\n[184798.663068] lost page write due to I\/O error on sdc<\/pre>\n<p>\u5728 wiki \u4e0a\u67e5\u5230\u4e86 SCSI \u7684\u6709\u5173 Sense key \uff1a<\/p>\n<blockquote><p><em>7h<\/em> <strong>Data Protect<\/strong> Indicates that a command that reads or writes the medium was attempted on a block that is protected from this operation. The read or write operation is not performed.<\/p><\/blockquote>\n<p>\u731c\u6d4b\u662f\u91cf\u4ea7\u5de5\u5177\u7684\u95ee\u9898\uff0c\u4e8e\u662f\u629b\u5f03\u5927\u6811\u7ed9\u7684\u91cf\u4ea7\u5de5\u5177\uff0c\u6539\u7528 FC8x08 \/ SC708 \u4e13\u7528\u7684 FC MPTool \u3002\u6700\u540e\u7ec8\u4e8e\u6210\u529f\u4e86\u3002<\/p>\n<p>\u6d4b\u8bd5 U \u76d8\uff1a<\/p>\n<pre>dword@dword-as4741g:~$ dd if=\/dev\/urandom bs=1024 count=1022230 | tee compare \/media\/HY27UU088G5\/test &gt;\/dev\/null\r\n\u8bb0\u5f55\u4e861022230+0 \u7684\u8bfb\u5165\r\n\u8bb0\u5f55\u4e861022230+0 \u7684\u5199\u51fa\r\n1046763520\u5b57\u8282(1.0 GB)\u5df2\u590d\u5236\uff0c465.158 \u79d2\uff0c2.3 MB\/\u79d2<\/pre>\n<p>\u7136\u540e\u62d4\u6389\u76d8\u5b50\uff0c\u91cd\u65b0\u63d2\u4e0a\uff1a<\/p>\n<pre>dword@dword-as4741g:~$ sha256sum compare \/media\/HY27UU088G5\/test\r\n78c10b1eb7e1cd381a88c75f8290513ea16d416f1497b81cddd6f9a9ded26481  compare\r\n78c10b1eb7e1cd381a88c75f8290513ea16d416f1497b81cddd6f9a9ded26481  \/media\/HY27UU088G5\/test<\/pre>\n<p>\u8fd9\u8bf4\u660e U \u76d8\u6ca1\u6709\u95ee\u9898\u3002<\/p>\n<p>\u54ce\uff0c\u6298\u817e\u4e86\u8fd9\u4e48\u957f\u65f6\u95f4\u7ec8\u4e8e\u5f04\u597d\u4e86\uff0c\u771f\u5751\u7239\u3002<\/p>\n<hr \/>\n<p>P.S. \u4ece SMI \u4e3b\u63a7\u677f\u7684\u60b2\u5267\u4e2d\u53ef\u4ee5\u5f97\u51fa\u4ee5\u4e0b\u6559\u8bad\uff1a<\/p>\n<ul>\n<li>\u62c6\u673a Flash \u5728\u8d34\u88c5\u524d\u4e00\u5b9a\u8981\u6e05\u7406\u5e72\u51c0\uff0c\u5e76\u4e14\u77eb\u6b63\u5f15\u811a\u7684\u4f4d\u7f6e\uff1b<\/li>\n<li>\u77ed\u63a5\u95ea\u5b58\u6062\u590d\u4e3b\u63a7\u7684\u65f6\u5019\u4e00\u5b9a\u8981\u5c0f\u5fc3\uff0c\u4e0d\u8981\u78b0\u5230\u4e2d\u95f4\u7684\u7535\u6e90\u811a\uff1b<\/li>\n<li>\u4e0a\u7535\u524d\u6ce8\u610f\u6e05\u9664\u710a\u597d\u7684\u95ea\u5b58\u5f15\u811a\u5185\u6d4b\u53ef\u80fd\u5b58\u5728\u7684\u9521\u6e23\uff0c\u6700\u597d\u8fde\u4e3b\u63a7\u4e5f\u522b\u653e\u8fc7\uff1b<\/li>\n<li>\u6ca1\u4e8b\u522b\u8ffd\u6c42\u5b8c\u7f8e\uff1b<\/li>\n<li>SM325x \u8ddf SM325xEN \u662f\u4e24\u4e2d\u5b8c\u5168\u4e0d\u540c\u7684\u751f\u7269\uff1b<\/li>\n<\/ul>\n<p>\u800c\u90a3\u5757\u5947\u8469\u7684 FC8508 \u677f\u5b50\u5219\u544a\u8bc9\u6211\u4eec\uff0c\u4e0d\u662f\u6240\u6709\u677f\u5b50\u5355\u8d34\u7684\u65f6\u5019\u90fd\u662f\u8d34\u4e3b\u63a7\u9762\u7684\uff0c\u8981\u6ce8\u610f\u770b\u4e1d\u5370\u3002\u3002\u3002<\/p>\n<hr \/>\n<p>P.S.2 \u4eca\u5929\u771f\u662f\u9ed1\u8272\u7684\u4e00\u5929\uff0c\u65e9\u4e0a 4:40 \u53d1\u70e7\u70e7\u9192\u4e86\uff0c\u4e00\u76f4\u70e7\u5230\u73b0\u5728\uff0c\u559d\u6c34\u5589\u5499\u90fd\u523a\u75db\uff1bYardVPS \u7684\u5185\u90e8\u7f51\u7edc\u4ece\u65e9\u4e0a\u4e00\u76f4\u62bd\u5230\u73b0\u5728\u8fd8\u6ca1\u89e3\u51b3\uff08\u8fd9\u7bc7\u6587\u7ae0\u53d1\u5f97\u76f8\u5f53\u8270\u96be\uff09\uff0c\u540c\u65f6\u4f34\u6709\u67d0\u4eba\u62ff\u5927\u91cf\u6570\u636e\u5305\u704c\u6211\u7684\u670d\u52a1\u5668\uff08\u8fd9\u6837\u4e00\u60f3\u662f ARP \u51b2\u7a81\u5427\uff09\uff1b\u6700\u540e\u82b1\u4e86\u4e00\u4e0b\u5348 + \u4e00\u665a\u4e0a\uff0c\u6bc1\u6389\u4e86\u4ef7\u503c \uffe550+ \u7684\u4e1c\u897f\u2026\u2026<\/p>\n","protected":false},"excerpt":{"rendered":"<p>\u4eca\u5929\u4e00\u4e0b\u5348\u52a0\u4e0a\u4e00\u665a\u4e0a\u7684\u6210\u679c\uff0c\u5c31\u662f\u641e\u5e9f\u4e86\u4e00\u7247 SM3257AA \u3001\u4e24\u7247 SM3252BA \u8ddf\u4e00\u7247 FC8505  &hellip; <a href=\"http:\/\/blog.dword1511.info\/?p=902\" class=\"more-link\">\u7ee7\u7eed\u9605\u8bfb<span class=\"screen-reader-text\">\u9ed1\u7247\u738b\u2014\u2014\u5b89\u56fd SC708 \u5c0f\u8bd5<\/span> <span class=\"meta-nav\">&rarr;<\/span><\/a><\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"_mi_skip_tracking":false},"categories":[8],"tags":[],"_links":{"self":[{"href":"http:\/\/blog.dword1511.info\/index.php?rest_route=\/wp\/v2\/posts\/902"}],"collection":[{"href":"http:\/\/blog.dword1511.info\/index.php?rest_route=\/wp\/v2\/posts"}],"about":[{"href":"http:\/\/blog.dword1511.info\/index.php?rest_route=\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"http:\/\/blog.dword1511.info\/index.php?rest_route=\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"http:\/\/blog.dword1511.info\/index.php?rest_route=%2Fwp%2Fv2%2Fcomments&post=902"}],"version-history":[{"count":4,"href":"http:\/\/blog.dword1511.info\/index.php?rest_route=\/wp\/v2\/posts\/902\/revisions"}],"predecessor-version":[{"id":1345,"href":"http:\/\/blog.dword1511.info\/index.php?rest_route=\/wp\/v2\/posts\/902\/revisions\/1345"}],"wp:attachment":[{"href":"http:\/\/blog.dword1511.info\/index.php?rest_route=%2Fwp%2Fv2%2Fmedia&parent=902"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"http:\/\/blog.dword1511.info\/index.php?rest_route=%2Fwp%2Fv2%2Fcategories&post=902"},{"taxonomy":"post_tag","embeddable":true,"href":"http:\/\/blog.dword1511.info\/index.php?rest_route=%2Fwp%2Fv2%2Ftags&post=902"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}