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鎮ㄥソ锛屾杩庝締鍒扮董搴浕瀛愬競鍫寸恫(w菐ng) 鐧婚寗 | 鍏嶈不娉ㄥ唺

SpeedStep鎶�琛�(sh霉)
闁辫畝锛�5364鏅傞枔锛�2011-06-17 14:42:54

銆�銆�Speedstep鎶�琛�(sh霉)鏄�氶亷闄嶄綆CPU閬嬭涓婚牷渚嗛仈鍒伴檷浣庡姛鑰楃殑鎶�琛�(sh霉)锛屾槸Intel灏堢偤绛嗚鏈珻PU闁嬬櫦(f膩)鐨�锛屽畠浣垮緱绛嗚鏈珻PU楂橀�熺櫦(f膩)灞�锛屼娇绛嗚鏈殑鍔熻兘瓒婁締瓒婃帴杩戣嚭寮忔銆係peedStep鎶�琛�(sh霉)鏀寔鍙互鍕曟厠(t脿i)澧炲挤鎳夌敤鎬ц兘鍜岄浕鍔涘埄鐢ㄧ巼銆�

鐢变締

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銆�銆�鏈�鍒濓紝SpeedStep鎶�琛�(sh霉)鑳界偤绉诲嫊鐢ㄦ埗鎻愪緵鍏╃ó鎬ц兘妯″紡锛氭�ц兘妯″紡鍜岄浕姹犲劒(y艒u)鍖栨ā寮�銆傜暥绯荤当(t菕ng)鑷嫊閬告搰妯″紡鏅�锛屽畠鏈冩牴鎿�(j霉)鐝�(xi脿n)鍦ㄩ浕鑵︽槸浣跨敤澶栨帴闆绘簮閭勬槸闆绘睜渚涢浕渚嗛伕鎿囬�欏叐绋ā寮�銆傜暥浣跨敤闆绘睜鍎�(y艒u)鍖栨ā寮忔檪锛岃檿鐞嗗櫒鍍呭儏宸ヤ綔鍦�500MHz 1.35V锛屽緸鑰岃兘鏇村ぇ闄愬害鐨勯檷浣庤兘鑰楀欢闀烽浕姹犱娇鐢ㄦ檪闁�銆傜暥鐢ㄦ埗鍦ㄩ浕鑵︿笂鎻掑叆澶栨帴闆绘簮鍚�锛岀郴绲�(t菕ng)鏈冭嚜鍕曞緱璺宠綁(zhu菐n)鍒版�ц兘妯″紡锛屼娇铏曠悊鍣ㄧ殑宸ヤ綔闆诲涓婂崌鍒�1.6V锛岄牷鐜囬仈鍒板��銆傞�欑ó妯″紡闁撶殑杞�(zhu菐n)鍖栭�熷害闈炲父寰楀揩鈥斺�斿儏鍍呯偤1/2000绉�锛屼互鑷寸敤鎴舵牴鏈劅瑕轰笉鍒伴�欑ó杞�(zhu菐n)鍖�銆傚氨绠楁槸灏嶆�ц兘瑕佹眰鏁忔劅鐨勭▼搴忎締瑾紙姣斿瑾挱鏀綝VD闆诲奖锛�锛岄�欑ó杞�(zhu菐n)鎻涢亷绋嬩篃绲叉涓嶅奖闊跨▼搴忕殑閬嬭銆傞櫎姝や箣澶栵紝鐢ㄦ埗閭勫彲浠ヨ嚜宸辫ō(sh猫)缃ā寮忥細鍙互鍦ㄤ娇鐢ㄩ浕姹犵殑鎯呮硜涓嬩娇鐢ㄦ�ц兘妯″紡鎴栨槸鍦ㄤ娇鐢ㄥ鎺ラ浕婧愮殑鎯呮硜涓嬩娇鐢ㄩ浕姹犲劒(y艒u)鍖栨ā寮�銆傝�岄�欎竴鍒囧儏鍍呴渶瑕佺敤鎴朵娇鐢ㄩ紶妯欏湪灞忓箷涓婇伕涓煇鍊嬫ā寮忥紝鑰屼笉鐢ㄩ噸鍟熼浕鑵�銆�

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SpeedStep鐨勭郴绲�(t菕ng)妲�(g貌u)鎴�

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銆�銆�1994骞达紝Intel 闁嬬櫦(f膩)鍑篤oltageReduction(闆诲鑷嫊瑾�(di脿o)绡�(ji茅))鎶�琛�(sh霉)锛屼富瑕佸姛鑳芥槸鏍规摎(j霉)绛嗚鏈殑閬嬭鎯呮硜鑷嫊瑾�(di脿o)绡�(ji茅)闆诲锛屾帶鍒跺姛鑰�銆�

銆�銆�1996骞撮枊鐧�(f膩)浜咰lockGating(闋荤巼瑾�(di脿o)绡�(ji茅))鎶�琛�(sh霉)锛屼富瑕佸姛鑳芥槸鑷嫊瑾�(di脿o)绡�(ji茅)CPU涓婚牷锛屾帶鍒剁櫦(f膩)鐔遍噺銆�

銆�銆�1997骞撮枊鐧�(f膩)浜哘uickstart鎶�琛�(sh霉)锛屼富瑕佷綔鐢ㄦ槸鍦–PU绌洪枒鏅備娇瀹冮�插叆浼戠湢鐙�鎱�(t脿i)锛屾笡灏戠啽閲忕殑鐢�(ch菐n)鐢�銆傞浼间簬CPU闄嶆韩杌熶欢鐨勪綔鐢�銆�

銆�銆�1999骞�锛孲peedStep瑾曠敓锛岄泦閫欎笁绋妧琛�(sh霉)鐐轰竴楂�銆係peedStep鎶�琛�(sh霉)浣挎偍鑳藉鍦ㄧ瓎瑷樻湰闆昏叇涓婂畾鍒堕珮鎬ц兘瑷堢畻銆傜瓎瑷樻湰闆昏叇浣跨敤浜ゆ祦闆伙紙AC锛夋檪锛岃兘澶犻亱琛屾渶寰╅洔鐨勫晢妤�(y猫)鍜屼簰鑱�(li谩n)缍�(w菐ng)鎳夌敤锛岄�熷害鎺ヨ繎鑷哄紡姗熺郴绲�(t菕ng)鐨勬按骞�銆傞噰鐢ㄩ浕姹犱緵闆绘檪锛岃檿鐞嗗櫒灏囪嚜鍕曢檷浣庨牷鐜�(閫氶亷鏀硅畩绺界窔閫熺巼)锛屽悓鏅備篃鐩告噳闄嶄綆鑳借��锛屽緸鑰屽湪淇濇寔楂樻�ц兘鐨勫悓鏅傚欢闀烽浕姹犲＝鍛姐�傛墜鍕曡ō(sh猫)缃兘澶犱娇鎮ㄥ湪閲囩敤闆绘睜渚涢浕鏅傚皣闋荤巼瑾�(di脿o)鏁村埌銆�

銆�銆�澧炲挤鍨嬭嫳鐗圭埦SpeedStep鎶�琛�(sh霉)鑳藉鏍规摎(j霉)铏曠悊鍣ㄩ渶瑕佸湪鍏╃ó鎬ц兘妯″紡涔嬮枔瀵︽檪閫茶闆诲鍜岄牷鐜囩殑鍕曟厠(t脿i)鍒囨彌銆傞�欎富瑕侀�氶亷鍒囨彌绯荤当(t菕ng)绺界窔姣旂巼銆佸収(n猫i)鏍稿伐浣滈浕澹撲互鍙婃牳蹇冭檿鐞嗗櫒鐨勯�熷害渚嗗鐝�(xi脿n)锛岀劇闇�閲嶆柊瑷�(sh猫)缃郴绲�(t菕ng)銆�

銆�銆�绨″柈鐨勮瑳SpeedStep鎶�琛�(sh霉)灏辨槸鍦ㄧ瓎瑷樻湰闆昏叇浣跨敤闆绘睜渚涢浕鏅�锛屾牴鎿�(j霉)闇�瑕佸嫊鎱�(t脿i)鍒囨彌宸ヤ綔闆诲鍜屽伐浣滈�熷害锛屼互閬斿埌绡�(ji茅)鐪侀浕鍔�锛屽欢闀峰伐浣滄檪闁撶殑鐩殑銆�

鏂拌垔浠嬬垂

銆�銆�浠peedStep鎶�琛�(sh霉)锛岀啊鍠殑瑾紝灏辨槸鐣朵娇鐢ˋC闆绘簮鎴栭浕姹犻﹨(q奴)鍕曟檪锛岃嚜鍕曞皪CPU鐨勫伐浣滈浕澹撳拰宸ヤ綔闋荤巼閫茶鍒囨彌銆傞噰鐢⊿peedStep鎶�琛�(sh霉)鐨凜PU鏈夊叐绋笉鍚岀殑宸ヤ綔妯″紡:浣跨敤AC闆绘簮鏅傜殑鎬ц兘妯″紡(Maximum Performace Mode)鍜屼娇鐢ㄩ浕姹犳檪鐨勯浕姹犲劒(y艒u)鍖栨ā寮�(BatteryOptimized Mode)锛岀瓎瑷樻湰鏍规摎(j霉)闆绘簮鎯呮硜鑷嫊鍒囨彌宸ヤ綔妯″紡銆�

銆�銆�绗簩浠peedStep(Enhanced SpeedStep)鎶�琛�(sh霉)鍓囧彲浠ユ牴鎿�(j霉)CPU鐨勮矤鑽锋儏娉佸湪鍏╃ó鎬ц兘妯″紡涔嬮枔瀵︽檪閫茶闆诲鍜岄牷鐜囩殑鍕曟厠(t脿i)鍒囨彌锛屼篃灏辨槸瑾彲浠ュ湪闆绘睜椹�(q奴)鍕曟檪鏍规摎(j霉)CPU璨犺嵎鎯呮硜鑷嫊鍒囨彌鍒板伐浣滈牷鐜囧拰闆诲锛屼篃鍙互鍦ㄦ帴AC闆绘簮鏅傛牴鎿�(j霉)CPU璨犺嵎鎯呮硜鑷嫊鍒囨彌鍒板伐浣滈牷鐜囧拰闆诲銆�

銆�銆�绗笁浠peedStep(EnhancedIntel SpeedStep Technology)鎶�琛�(sh霉)鐩＄浠嶅彧鏈夊叐绋熀鏈伐浣滄ā寮�锛屼絾鍚屾檪閭勫叿鏈夊绋腑闁撴ā寮�锛屾敮鎸佸绋牷鐜囬�熷害鑸囬浕澹撹ō(sh猫)缃�(鐢盋PU鐨勯浕澹撹(di脿o)鏁存鍒朵締鎺у埗)锛屾牴鎿�(j霉)CPU鐣舵檪璨犺嵎鐨勫挤搴﹁嚜鍕曞垏鎻涘伐浣滄ā寮�銆�

缍韩闆诲瓙閫�锛岄浕瀛愮煡璀�锛屼竴鏌ョ櫨閫氾紒

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