User Guide

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2-18
II. ³t«×: ¤@¯ë¬O¼Ð¥Ü¦p -12 ³oºØ«¬¦¡¡A³oªí¥Ü¦s¨ú³t«× (clock cycle time) ¬O
12ns¡A©Ò¥H¦¹ SDRAM ³Ì¤jªº clock ¬° 83MHz¡CÁÙ¦³¥t¤@ºØ¼Ð¥Ü¬O¦p¦P -67 ³o
ºØ«¬¦¡¡Aªí¥Ü¦P¨B¸ê®Æ¶Ç¿é³Ì§Ö¥i¨ì 67MHz¡C
½Ð¤p¤ß: ¬Y¨Ç -10 ªº SDRAM ¥i¯à¦b 100 MHz
CPU ¥~ÀW¤UÁÙ¥i¥H¹B§@¡A¦ý¬O¬°¤FÃ-©w©ÊµÛ·Q¡A
§ÚÁÙ ¬O«Ø ij±z¿ï¥Î²Å¦X PC 100 ³W®æªº
SDRAM¡C
III. Buffered »P non-buffered: ¥»¥D¾÷ªO¤ä´© non-buffered DIMM¡C±z¥i¥H¨Ì¾Ú
DIMM ¤W-±¯Ê¤fªº¦ì¸m¡A¨Ó§P§Onon-buffered DIMM »P buffered DIMM¡C½Ð°Ñ
·Ó¤U¹Ï©Ò¥Ü¡G
buffered
non-buffered
Reserved
¥Ñ©ó¯Ê¤fªº¦ì¸m¤£¦P¡A¥u¦³ non-buffered DIMM ¥i¥H´¡¤J¥D¾÷ªO¤Wªº DIMM
´¡¼Ñ¡CÁöµM¥Ø«e¥«-±¤W¬Ý¨ìªº DIMM ³£¤w¸g¬O non-buffered ªº¤F¡A§Ú-̤´«Ø
ij±z¦b¿ïÁʮɳ̦nÁÙ¬O¸ò©±®a¸ß°Ý²M·¡¡C
IV. 2-clock »P 4-clock signals: ÁöµM 2-clock ©M 4-clock ªº DIMM ³£¥i¥H¥Î¦b³o
¶ô¥D¾÷ªO¤W¡A¦ý¬°¤F¨t²ÎÃ-©w©ÊµÛ·Q¡A§Ú¤´«ØÄ³±z³Ì¦n¨Ï¥Î 4-clock ªº
SDRAM¡C
´£¥Ü: -nÀˬd±zªº SDRAM ¬O 2-clock ÁÙ¬O 4-clock
ªº¡A¥i¥H¬Ý¬Ý pin 79 »P pin 163¡A¦pªG¦³°t¸m¹q¸ô´N
À³¸Ó¬O 4-clock¡F§_«h«K¬O 2-clock ªº¡C
V. ¦P¦ì¤¸: ¤ä´©¼Ð·Çªº 64 bit wide (µL parity) »P 72 bit wide (¦³ parity) ªº
DIMM¡C
BIOS ¥i¦Û°Ê°»´ú°O¾ÐÅ骺®e¶q¤Î«¬¦¡¡A¤£»Ý¨Ï¥Î Jumper ³]©w¡C³Ì¤jªº°O¾ÐÅé®e
¶q¬O 1GB¡C
Total Memory Size = Size of DIMM1 + Size of DIMM2 + Size of DIMM3 + Size
of DIMM4