{"id":1620,"date":"2018-07-06T07:10:28","date_gmt":"2018-07-06T07:10:28","guid":{"rendered":"https:\/\/hocvienit.vn\/?p=1620"},"modified":"2025-02-27T15:03:57","modified_gmt":"2025-02-27T08:03:57","slug":"phan-tich-khoi-nguon-tren-cac-may-ibm","status":"publish","type":"post","link":"https:\/\/hocvienit.vn\/?p=1620","title":{"rendered":"Ph\u00e2n t\u00edch kh\u1ed1i ngu\u1ed3n tr\u00ean c\u00e1c m\u00e1y IBM"},"content":{"rendered":"<p style=\"text-align: justify;\">M\u00e1y t\u00ednh IBM l\u00e0 d\u00f2ng m\u00e1y kh\u00e1 ph\u1ed5 bi\u1ebfn. V\u00ec v\u1eady, vi\u1ec7c ph\u00e2n t\u00edch kh\u1ed1i ngu\u1ed3n tr\u00ean c\u00e1c m\u00e1y IBM l\u00e0 r\u1ea5t quan tr\u1ecdng. H\u00e3y c\u00f9ng H\u1ecdc vi\u1ec7n iT t\u00ecm hi\u1ec3u nh\u00e9!<\/p>\n<figure id=\"attachment_12158\" aria-describedby=\"caption-attachment-12158\" style=\"width: 750px\" class=\"wp-caption aligncenter\"><img loading=\"lazy\" decoding=\"async\" class=\"wp-image-12158 size-full\" title=\"Ph\u00e2n t\u00edch kh\u1ed1i ngu\u1ed3n tr\u00ean c\u00e1c m\u00e1y IBM\" src=\"https:\/\/hocvienit.vn\/wp-content\/uploads\/2018\/07\/phan-tich-cac-khoi-nguon-tren-cac-may-ibm.jpg\" alt=\"Ph\u00e2n t\u00edch kh\u1ed1i ngu\u1ed3n tr\u00ean c\u00e1c m\u00e1y IBM\" width=\"750\" height=\"400\" srcset=\"https:\/\/hocvienit.vn\/wp-content\/uploads\/2018\/07\/phan-tich-cac-khoi-nguon-tren-cac-may-ibm.jpg 750w, https:\/\/hocvienit.vn\/wp-content\/uploads\/2018\/07\/phan-tich-cac-khoi-nguon-tren-cac-may-ibm-510x272.jpg 510w, https:\/\/hocvienit.vn\/wp-content\/uploads\/2018\/07\/phan-tich-cac-khoi-nguon-tren-cac-may-ibm-300x160.jpg 300w, https:\/\/hocvienit.vn\/wp-content\/uploads\/2018\/07\/phan-tich-cac-khoi-nguon-tren-cac-may-ibm-600x320.jpg 600w\" sizes=\"(max-width: 750px) 100vw, 750px\" \/><figcaption id=\"caption-attachment-12158\" class=\"wp-caption-text\">Ph\u00e2n t\u00edch kh\u1ed1i ngu\u1ed3n tr\u00ean c\u00e1c m\u00e1y IBM<\/figcaption><\/figure>\n<h2 style=\"text-align: justify;\"><span style=\"font-family: tahoma, arial, helvetica, sans-serif;\"><strong>1. Kh\u1ed1i ngu\u1ed3n tr\u00ean c\u00e1c m\u00e1y IBM<\/strong><\/span><\/h2>\n<figure id=\"attachment_45378\" aria-describedby=\"caption-attachment-45378\" style=\"width: 750px\" class=\"wp-caption aligncenter\"><img loading=\"lazy\" decoding=\"async\" class=\"wp-image-45378 size-full\" title=\"Kh\u1ed1i ngu\u1ed3n tr\u00ean c\u00e1c m\u00e1y IBM\" src=\"https:\/\/hocvienit.vn\/wp-content\/uploads\/2018\/07\/phan-tich-khoi-nguon-tren-cac-may-ibm-1.jpg\" alt=\"Kh\u1ed1i ngu\u1ed3n tr\u00ean c\u00e1c m\u00e1y IBM\" width=\"750\" height=\"508\" srcset=\"https:\/\/hocvienit.vn\/wp-content\/uploads\/2018\/07\/phan-tich-khoi-nguon-tren-cac-may-ibm-1.jpg 750w, https:\/\/hocvienit.vn\/wp-content\/uploads\/2018\/07\/phan-tich-khoi-nguon-tren-cac-may-ibm-1-300x203.jpg 300w, https:\/\/hocvienit.vn\/wp-content\/uploads\/2018\/07\/phan-tich-khoi-nguon-tren-cac-may-ibm-1-510x345.jpg 510w\" sizes=\"(max-width: 750px) 100vw, 750px\" \/><figcaption id=\"caption-attachment-45378\" class=\"wp-caption-text\">Kh\u1ed1i ngu\u1ed3n tr\u00ean c\u00e1c m\u00e1y IBM<\/figcaption><\/figure>\n<p style=\"text-align: justify;\"><span style=\"font-family: tahoma, arial, helvetica, sans-serif;\"><strong>B1:<\/strong> Khi c\u1eafm ngu\u1ed3n DCIN m\u00e1y c\u00f3 \u0111i\u1ec7n \u00e1p c\u1ea5p cho IC-TB62501.<\/span><\/p>\n<p style=\"text-align: justify;\"><span style=\"font-family: tahoma, arial, helvetica, sans-serif;\"><strong>B2:<\/strong> IC-TB62501 t\u1ea1o ra \u0111i\u1ec7n \u00e1p ch\u1edd VCC3SW \u0111\u1ec3 c\u1ea5p ngu\u1ed3n cho IC \u0111i\u1ec1u khi\u1ec3n PMH4, \u0111\u1ed3ng th\u1eddi c\u00f3 t\u00edn hi\u1ec7u b\u00e1o v\u1ec1 ch\u00e2n EXTPWR cho bi\u1ebft \u0111ang s\u1eed d\u1ee5ng ngu\u1ed3n b\u00ean ngo\u00e0i.<\/span><\/p>\n<p style=\"text-align: justify;\"><span style=\"font-family: tahoma, arial, helvetica, sans-serif;\"><strong>B3:<\/strong> IC-PMH4 s\u1ebd \u0111\u01b0a ra l\u1ec7nh VCC5M_ON v\u00e0 VCC1R8M_ON \u0111\u1ec3 \u0111i\u1ec1u khi\u1ec3n c\u00e1c ngu\u1ed3n xung ho\u1ea1t \u0111\u1ed9ng t\u1ea1o ra \u0111i\u1ec7n \u00e1p c\u1ea5p tr\u01b0\u1edbc:<\/span><\/p>\n<ul style=\"text-align: justify;\">\n<li><span style=\"font-family: tahoma, arial, helvetica, sans-serif;\">VCC5M<\/span><\/li>\n<li><span style=\"font-family: tahoma, arial, helvetica, sans-serif;\">VCC3M<\/span><\/li>\n<li><span style=\"font-family: tahoma, arial, helvetica, sans-serif;\">VCC1R8M v\u00e0 VCC1R2M<\/span><\/li>\n<\/ul>\n<p style=\"text-align: justify;\"><span style=\"font-family: tahoma, arial, helvetica, sans-serif;\"><strong>B4:<\/strong> N\u1ebfu c\u00e1c ngu\u1ed3n c\u1ea5p tr\u01b0\u1edbc ho\u1ea1t \u0111\u1ed9ng t\u1ed1t s\u1ebd c\u00f3 t\u00edn hi\u1ec7u MPWR_GD b\u00e1o v\u1ec1 IC \u0111i\u1ec1u khi\u1ec3n.<\/span><\/p>\n<p style=\"text-align: justify;\"><span style=\"font-family: tahoma, arial, helvetica, sans-serif;\"><strong>B5:<\/strong> IC \u0111i\u1ec1u khi\u1ec3n ph\u00e1t t\u00edn hi\u1ec7u kh\u1edfi \u0111\u1ed9ng m\u1ea1ch qu\u1ea3n l\u00fd ngu\u1ed3n (PM) trong Chipset nam<\/span><\/p>\n<p style=\"text-align: justify;\"><span style=\"font-family: tahoma, arial, helvetica, sans-serif;\"><strong>B6:<\/strong> Ng\u01b0\u1eddi d\u00f9ng b\u1ea5m c\u00f4ng t\u1eafc m\u1edf ngu\u1ed3n\u21d2 t\u00e1c \u0111\u1ed9ng \u0111\u1ebfn IC \u0111i\u1ec1u khi\u1ec3n PMH4.<\/span><\/p>\n<p style=\"text-align: justify;\"><span style=\"font-family: tahoma, arial, helvetica, sans-serif;\"><strong>B7:<\/strong> IC \u0111i\u1ec1u khi\u1ec3n s\u1ebd b\u00e1o sang m\u1ea1ch qu\u1ea3n l\u00fd ngu\u1ed3n c\u1ee7a Chipset nam t\u00edn hi\u1ec7u PM PWRBTN# \u0111\u1ec3 m\u1ea1ch n\u00e0y \u0111\u01b0a v\u00e0o tr\u1ea1ng th\u00e1i s\u1eb5n s\u00e0ng ch\u1edd l\u1ec7nh.<\/span><\/p>\n<p style=\"text-align: justify;\"><span style=\"font-family: tahoma, arial, helvetica, sans-serif;\"><strong>B8 &amp; B9:<\/strong> Ti\u1ebfp theo IC \u0111i\u1ec1u khi\u1ec3n s\u1ebd \u0111\u01b0a ra l\u1ec7nh VIDEOCORE_ON v\u00e0 l\u1ec7nh B_ON \u0111\u1ec3 \u0111i\u1ec1u khi\u1ec3n c\u00e1c m\u1ea1ch ngu\u1ed3n th\u1ee9 c\u1ea5p t\u1ea1o ra c\u00e1c \u0111i\u1ec7n \u00e1p th\u1ee9 c\u1ea5p nh\u01b0: VCC5B, VCC3B, VCC2R5A, VCC1R5B, VCC1R2B, VCCCPUIO, VCC1R25B<\/span><\/p>\n<p style=\"text-align: justify;\"><span style=\"font-family: tahoma, arial, helvetica, sans-serif;\"><strong>B10:<\/strong> Khi c\u00e1c ngu\u1ed3n th\u1ee9 c\u1ea5p ho\u1ea1t \u0111\u1ed9ng t\u1ed1t s\u1ebd c\u00f3 t\u00edn hi\u1ec7u BPWR_GD b\u00e1o t\u1eeb c\u00e1c m\u1ea1ch ngu\u1ed3n n\u00e0y v\u1ec1 IC-PMH4.<\/span><\/p>\n<p style=\"text-align: justify;\"><span style=\"font-family: tahoma, arial, helvetica, sans-serif;\"><strong>B11:<\/strong> Sau th\u1eddi gian tr\u1ec5 kho\u1ea3ng 0.1 gi\u00e2y, IC-PMH4 s\u1ebd t\u1ea1o ra l\u1ec7nh VCORE_ON \u0111\u1ec3 \u0111i\u1ec1u khi\u1ec3n m\u1ea1ch VRM t\u1ea1o ra \u0111i\u1ec7n \u00e1p VCORE c\u1ea5p cho CPU<\/span><\/p>\n<p style=\"text-align: justify;\"><span style=\"font-family: tahoma, arial, helvetica, sans-serif;\"><strong>B12:<\/strong> M\u1ea1ch VRM ho\u1ea1t \u0111\u1ed9ng t\u1ed1t s\u1ebd c\u00f3 t\u00edn hi\u1ec7u CPU_PWRGD b\u00e1o v\u1ec1 IC \u0111i\u1ec1u khi\u1ec3n ngu\u1ed3n.<\/span><\/p>\n<p style=\"text-align: justify;\"><span style=\"font-family: tahoma, arial, helvetica, sans-serif;\"><strong>B13 &amp; B14:<\/strong> \u0110\u1ed3ng th\u1eddi khi ho\u1ea1t \u0111\u1ed9ng t\u1ed1t, m\u1ea1ch VRM c\u0169ng cho ph\u00e1t ra t\u00edn hi\u1ec7u CLK_EN cho ph\u00e9p m\u1ea1ch t\u1ea1o xung Clock ho\u1ea1t \u0111\u1ed9ng \u0111\u1ec3 cung c\u1ea5p xung Clock cho c\u00e1c th\u00e0nh ph\u1ea7n tr\u00ean m\u00e1y.<\/span><\/p>\n<p style=\"text-align: justify;\"><span style=\"font-family: tahoma, arial, helvetica, sans-serif;\"><strong>B15:<\/strong> Sau khi nh\u1eadn \u0111\u01b0\u1ee3c t\u00edn hi\u1ec7u b\u00e1o GOOD t\u1eeb c\u00e1c m\u1ea1ch ngu\u1ed3n, IC-PMH4 s\u1ebd b\u00e1o sang hai Chipset t\u00edn hi\u1ec7u PWROK cho bi\u1ebft c\u00e1c m\u1ea1ch ngu\u1ed3n \u0111\u00e3 ho\u1ea1t \u0111\u1ed9ng t\u1ed1t.<\/span><\/p>\n<p style=\"text-align: justify;\"><span style=\"font-family: tahoma, arial, helvetica, sans-serif;\"><strong>B16:<\/strong> Khi Chipset nam nh\u1eadn \u0111\u01b0\u1ee3c c\u00e1c t\u00edn hi\u1ec7u b\u00e1o ngu\u1ed3n t\u1ed1t v\u00e0 xung Clock, m\u1ea1ch PM trong Chipset nam s\u1ebd ph\u00e1t ra t\u00edn hi\u1ec7u Reset h\u1ec7 th\u1ed1ng(PCI_RST) \u0111\u1ec3 kh\u1edfi \u0111\u1ed9ng c\u00e1c th\u00e0nh ph\u1ea7n c\u1ee7a m\u00e1y, \u0111\u1ed3ng th\u1eddi b\u00e1o sang CPU t\u00edn hi\u1ec7u PWRGD.<\/span><\/p>\n<p style=\"text-align: justify;\"><span style=\"font-family: tahoma, arial, helvetica, sans-serif;\"><strong>B17:<\/strong> Khi chipset b\u1eafc ho\u1ea1t \u0111\u1ed9ng s\u1ebd ph\u00e1t ra t\u00edn hi\u1ec7u CPU_RST \u0111\u1ec3 kh\u1edfi \u0111\u1ed9ng CPU.<\/span><\/p>\n<p style=\"text-align: justify;\"><span style=\"font-family: tahoma, arial, helvetica, sans-serif;\"><strong>B18:<\/strong> CPU ho\u1ea1t \u0111\u1ed9ng v\u00e0 cho n\u1ea1p ch\u01b0\u01a1ng tr\u00ecnh BIOS, sau \u0111\u00f3 ch\u1ea1y ch\u01b0\u01a1ng tr\u00ecnh BIOS \u0111\u1ec3 kh\u1edfi \u0111\u1ed9ng v\u00e0 ki\u1ec3m tra c\u00e1c th\u00e0nh ph\u1ea7n tr\u00ean m\u00e1y; l\u00fac n\u00e0y \u0111\u00e8n Hecxa tr\u00ean Card Test s\u1ebd nh\u1ea3y s\u1ed1.<\/span><\/p>\n<h2 style=\"text-align: justify;\"><span style=\"font-family: tahoma, arial, helvetica, sans-serif;\"><strong>2. Ho\u1ea1t \u0111\u1ed9ng m\u1edf ngu\u1ed3n v\u00e0 c\u00e1c \u0111i\u1ec7n \u00e1p tr\u00ean c\u00e1c m\u00e1y IBM-LENOVO<\/strong><\/span><\/h2>\n<figure id=\"attachment_45379\" aria-describedby=\"caption-attachment-45379\" style=\"width: 750px\" class=\"wp-caption aligncenter\"><img loading=\"lazy\" decoding=\"async\" class=\"wp-image-45379 size-full\" title=\"Ho\u1ea1t \u0111\u1ed9ng m\u1edf ngu\u1ed3n v\u00e0 c\u00e1c \u0111i\u1ec7n \u00e1p tr\u00ean c\u00e1c m\u00e1y IBM-LENOVO\" src=\"https:\/\/hocvienit.vn\/wp-content\/uploads\/2018\/07\/phan-tich-khoi-nguon-tren-cac-may-ibm-2.jpg\" alt=\"Ho\u1ea1t \u0111\u1ed9ng m\u1edf ngu\u1ed3n v\u00e0 c\u00e1c \u0111i\u1ec7n \u00e1p tr\u00ean c\u00e1c m\u00e1y IBM-LENOVO\" width=\"750\" height=\"562\" srcset=\"https:\/\/hocvienit.vn\/wp-content\/uploads\/2018\/07\/phan-tich-khoi-nguon-tren-cac-may-ibm-2.jpg 750w, https:\/\/hocvienit.vn\/wp-content\/uploads\/2018\/07\/phan-tich-khoi-nguon-tren-cac-may-ibm-2-300x225.jpg 300w, https:\/\/hocvienit.vn\/wp-content\/uploads\/2018\/07\/phan-tich-khoi-nguon-tren-cac-may-ibm-2-510x382.jpg 510w\" sizes=\"(max-width: 750px) 100vw, 750px\" \/><figcaption id=\"caption-attachment-45379\" class=\"wp-caption-text\">Ho\u1ea1t \u0111\u1ed9ng m\u1edf ngu\u1ed3n v\u00e0 c\u00e1c \u0111i\u1ec7n \u00e1p tr\u00ean c\u00e1c m\u00e1y IBM-LENOVO<\/figcaption><\/figure>\n<h2 style=\"text-align: justify;\"><span style=\"font-family: tahoma, arial, helvetica, sans-serif;\"><strong>3. M\u1ea1ch t\u1ea1o \u0111i\u1ec7n \u00e1p \u0111\u1ea7u v\u00e0o VINT16 tr\u00ean m\u00e1y IBM T42<\/strong><\/span><\/h2>\n<figure id=\"attachment_45380\" aria-describedby=\"caption-attachment-45380\" style=\"width: 750px\" class=\"wp-caption aligncenter\"><img loading=\"lazy\" decoding=\"async\" class=\"wp-image-45380 size-full\" title=\"M\u1ea1ch t\u1ea1o \u0111i\u1ec7n \u00e1p \u0111\u1ea7u v\u00e0o VINT16 tr\u00ean m\u00e1y IBM T42\" src=\"https:\/\/hocvienit.vn\/wp-content\/uploads\/2018\/07\/phan-tich-khoi-nguon-tren-cac-may-ibm-3.jpg\" alt=\"M\u1ea1ch t\u1ea1o \u0111i\u1ec7n \u00e1p \u0111\u1ea7u v\u00e0o VINT16 tr\u00ean m\u00e1y IBM T42\" width=\"750\" height=\"562\" srcset=\"https:\/\/hocvienit.vn\/wp-content\/uploads\/2018\/07\/phan-tich-khoi-nguon-tren-cac-may-ibm-3.jpg 750w, https:\/\/hocvienit.vn\/wp-content\/uploads\/2018\/07\/phan-tich-khoi-nguon-tren-cac-may-ibm-3-300x225.jpg 300w, https:\/\/hocvienit.vn\/wp-content\/uploads\/2018\/07\/phan-tich-khoi-nguon-tren-cac-may-ibm-3-510x382.jpg 510w\" sizes=\"(max-width: 750px) 100vw, 750px\" \/><figcaption id=\"caption-attachment-45380\" class=\"wp-caption-text\">M\u1ea1ch t\u1ea1o \u0111i\u1ec7n \u00e1p \u0111\u1ea7u v\u00e0o VINT16 tr\u00ean m\u00e1y IBM T42<\/figcaption><\/figure>\n<p style=\"text-align: justify;\"><span style=\"font-family: tahoma, arial, helvetica, sans-serif;\"><strong>Ph\u00e2n t\u00edch m\u1ea1ch:<\/strong><\/span><\/p>\n<p style=\"text-align: justify;\"><span style=\"font-family: tahoma, arial, helvetica, sans-serif;\">Khi c\u1ea5p ngu\u1ed3n DCIN, ban \u0111\u1ea7u c\u00e1c IC trong m\u00e1y ch\u01b0a c\u00f3 ngu\u1ed3n c\u1ea5p. IC \u0111i\u1ec1u khi\u1ec3n ch\u01b0a c\u00f3 ngu\u1ed3n c\u1ea5p, l\u1ec7nh DISCHARGE( l\u1ec7nh ng\u1eaft x\u1ea1c) c\u00f3 \u0111i\u1ec7n \u00e1p = 0V\u21d2 \u0111\u00e8n Q78 t\u1eaft\u21d2 \u0111\u00e8n Q79 d\u1eabn\u21d2 \u0111i\u1ec7n \u00e1p ch\u00e2n G \u0111\u00e8n Q34( Mosfet thu\u1eadn) c\u00f3 m\u1ee9c th\u1ea5p n\u00ean Q34 d\u1eabn\u21d2 \u0111i\u1ec7n \u00e1p \u0111i qua c\u00e1c \u0111i\u1ec7n tr\u1edf R210\/R211\/R212 \u0111\u1ec3 t\u1ea1o ra s\u1ee5t \u00e1p gi\u00fap IC \u0111o \u0111\u01b0\u1ee3c d\u00f2ng ti\u00eau th\u1ee5 c\u1ee7a m\u00e1y, sau \u0111\u00f3 \u0111i\u1ec7n \u00e1p \u0111i qua \u0110iot trong \u0111\u00e8n Q36 v\u00e0 t\u1ea1o ra \u0111i\u1ec7n \u00e1p VINT16 c\u1ea5p cho c\u00e1c h\u1ec7 th\u1ed1ng ngu\u1ed3n c\u1ee7a m\u00e1y.<\/span><\/p>\n<p style=\"text-align: justify;\"><span style=\"font-family: tahoma, arial, helvetica, sans-serif;\">Khi IC \u0111i\u1ec1u khi\u1ec3n ngu\u1ed3n ra l\u1ec7nh ng\u1eaft x\u1ea1c DISCHARGE\u21d2 \u0111\u00e8n Q78 d\u1eabn\u21d2 \u0111\u00e8n Q79 t\u1eaft\u21d2 \u0111\u00e8n Q34 t\u1eaft, khi \u0111\u00f3 \u0111i\u1ec7n \u00e1p t\u1eeb r\u1eafc c\u1eafm DCIN kh\u00f4ng \u0111i v\u00e0o \u0111\u01b0\u1ee3c trong m\u00e1y. L\u1ec7nh DISCHARGE th\u01b0\u1eddng xu\u1ea5t hi\u1ec7n khi Pin \u0111\u00e3 \u0111\u1ea7y.<\/span><\/p>\n<p style=\"text-align: left;\"><i>M\u1ecdi chi ti\u1ebft xin vui l\u00f2ng li\u00ean h\u1ec7:<\/i><\/p>\n<p style=\"text-align: left;\"><strong>C\u00d4NG TY C\u1ed4 PH\u1ea6N H\u1eccC VI\u1ec6N IT<\/strong><\/p>\n<p style=\"text-align: left;\"><strong>MST: 0108733789<\/strong><\/p>\n<p style=\"text-align: left;\"><strong>Hotline: 0981 223 001<\/strong><\/p>\n<p style=\"text-align: left;\"><strong>Facebook:<\/strong>\u00a0<a href=\"http:\/\/www.fb.com\/hocvienit\" target=\"_blank\" rel=\"noopener\">www.fb.com\/hocvienit<\/a><\/p>\n<p style=\"text-align: left;\"><strong>\u0110\u0103ng k\u00fd k\u00eanh Youtube \u0111\u1ec3 theo d\u00f5i c\u00e1c b\u00e0i h\u1ecdc c\u1ee7a Hu\u1ea5n luy\u1ec7n vi\u00ean t\u1ed1t nh\u1ea5t:<\/strong>\u00a0<a href=\"http:\/\/bit.ly\/Youtube_HOCVIENiT\" target=\"_blank\" rel=\"noopener\">http:\/\/bit.ly\/Youtube_HOCVIENiT<\/a><\/p>\n<p style=\"text-align: left;\"><strong>Tham gia c\u1ed9ng \u0111\u1ed3ng H\u1ecdc vi\u1ec7n IT.vn t\u1ea1i:<\/strong>\u00a0<a href=\"https:\/\/www.facebook.com\/groups\/www.hocvienit.vn\/\" target=\"_blank\" rel=\"noopener\">https:\/\/www.facebook.com\/groups\/www.hocvienit.vn\/<\/a><br \/>\n<i><\/i><\/p>\n<p style=\"text-align: left;\"><strong><i>H\u1ecdc vi\u1ec7n IT.vn \u2013 Truy\u1ec1n ngh\u1ec1 th\u1ef1c t\u1ebf c\u00f9ng b\u1ea1n \u0111\u1ebfn th\u00e0nh c\u00f4ng!\u00a0<\/i><\/strong><\/p>\n","protected":false},"excerpt":{"rendered":"<p>M\u00e1y t\u00ednh IBM l\u00e0 d\u00f2ng m\u00e1y kh\u00e1 ph\u1ed5 bi\u1ebfn. V\u00ec v\u1eady, vi\u1ec7c ph\u00e2n t\u00edch kh\u1ed1i ngu\u1ed3n tr\u00ean c\u00e1c m\u00e1y IBM l\u00e0 r\u1ea5t quan tr\u1ecdng. 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