From : Ivan Mak 2:5030/529.24 To : All Subj : Simm to Spectrum 컴컴컴컴컴컴컴컴컴컴컴컴컴컴컴컴컴컴컴컴컴컴컴컴컴컴컴컴컴컴컴컴컴� 뤲Ðβ飡㏂� 궇�, All! 뙪�（� Þ收pα濕� ��ㄺヮ曄��� 歲쵟 � 召ⅹ�p僧�. 뒯쩆� 悚�И� � �ⅹ�獸p瑜 ��正���⑨ � �ⅸ. 뢱º쩺��� p졹��ギ┘��� �猶�ㄾ� 췅 릵7 (췅ㄾ 呻�嶺汀� �� 悚�Д ぎН溢收p�) 旼컴컴컴� MA0 캑 쳐 VCC MA1 캑 쳐 MA5 MA2 캑 쳐 MA6 MA3 캑 릵7 쳐 MA7 MA4 캑 쳐 RAS DO 캑 쳐 WE CAS 캑 쳐 DI GND 캑16旼� 1쳐 MA8 읕컨컨컴� 삩�� 젮pα� MAi � 承p젪ゥ�⑨ RAS,CAS,WE �↔ⅳÞ���, � 쩆��瑜 DI � DO 貰飡젪ワ荻 ㄲ� ¡刷Ж〃狩瑜 鼇��. 뫅－젷� MAi Мｃ� Д�汀藺� Д飡젹� 쨛膝 � 쨛膝��. SIMM 칛ⅳ飡젪ワβ 貰‘� 췅‘p ��ㄾ∼音 ┘ Ж챥�悚��, � ぎ獸p音 貰ⅳÞ��� ¸α收 歲－젷� DI � DO. 삩�� 젮pα� MAi � 承p젪ゥ�⑨ RAS,CAS,WE 貰ⅳÞ禎恂� � �ㄽ�º���臾� 歲－젷젹� 췅 SIMM-�. 뫅－젷� Di SIMM-� 췅ㄾ p젳ㄵエ筍 췅 DIi � DOi. 꽞� 將�． 췅ㄾ 貰죖졻� �젶莘 悚�И�. �袴袴袴袴袴袴袴袴袴袴袴袴敲 1533��6 � SIMM256K � 旼컴컴컴컴컴컴컴� � 旼컴컴커 � Di0컴컴컴� DA0 DB0 쳐켰컴퀱0 MA0쳐� MA0 픔컴 DO0 . 컴컴컴� DA1 DB1 쳐켰컴퀱1 MA1쳐� MA1 픔컴 . . 컴컴컴� DA2 DB2 쳐켰컴퀱2 MA2쳐� MA2 픔컴 . . 컴컴컴� DA3 DB3 쳐켰컴퀱3 MA3쳐� MA3 픔컴 . . 컴컴컴� DA4 DB4 쳐켰컴퀱4 MA4쳐� MA4 픔컴 . . 컴컴컴� DA5 DB5 쳐켰컴퀱5 MA5쳐� MA5 픔컴 . . 컴컴컴� DA6 DB6 쳐켰컴퀱6 MA6쳐� MA6 픔컴 . Di7컴컴컴� DA7 DB7 쳐켕컴퀱7 MA7쳐� MA7 聃컴 DO7 GND/VCC<캑 DIR � � MA8쳐� MA8 旼캑 CS � � � � 읕컴컴컴컴컴컴컴� � RAS쳐컴컴컴컴컴컴컴컴컴 RAS WE 컴컴좔컴컴컴컴컴컴컴컴컴컴컴캑WE CAS쳐컴컴컴컴컴컴컴컴컴 CAS 읕컴컴켸 뫅－젷 DIR 췅 ��6-� �칛ⅳ�ワβ 췅칛젪ゥ��� �쩺ⅳ좂� �� 鼇� DA � 鼇췅� DB. 꽞� ��ㄺヮ曄�⑨ 1Mb 歲쵟 ���pⅰ濕恂� 宋췴Жp�쥯筍 歲－젷 MA9, � ㄻ� 4Mb � ��10. 뒥� pⅲ��쩺쮘�쥯筍 ‘レ溫� SIMM ? 꽞� 將�． ャ預� ㏇ⅲ� ⓤ��レ㎜쥯筍 pⅵº CAS �쩺ⅳ RAS. H췴쵟レ�瑜 與か� 譽��⑨ 쭬�ⓤ� Pⅵº pⅲ��쩺졿Ŀ CAS �쩺ⅳ RAS 컴컴� 旼컴컴컴컴 컴컴커 旼컴컴 RAS 읕컴컴컴� RAS 읕컴컴컴� 컴컴컴컴� 旼컴컴 커 旼컴컴컴컴 CAS 읕컴컴컴� CAS 읕컴컴컴� 컴컴�-----------旼컴컴 컴컴컴컴컴컴컴컴컴� WE 읕컴컴컴컴컴� WE - - - - - - - - - - � 與か졾 pⅲ��쩺졿Ŀ 貰飡�輾�� 鼇� 젮pα� � 쩆��音 �� ºⅴ� ㎛좂��⑨. 묊β葉え 젮pα�� 飡p�� ㄻ� pⅲ��쩺졿Ŀ ℡�ㅿ� � 貰飡젪 Ж챥�悚��, 信�젺젪エ쥯�щ� � 歲쵟�. 꽞� �췴쵟レ��� pⅲ��쩺졿Ŀ �pⅰ濕恂�, 譽� 〓 �pⅳ�程 �졹獸�� 與か�� pⅲ��쩺졿Ŀ 〓쳽 �췴甸わ 500KHz Œ� ‘レ蜈. 꽑, ��첓 �� 쭬〓�... 30-pins SIMM ( SIPP ) 旼컴컴컴쩡컴컴컴쩡컴컴컴쩡컴컴컴커 � number� pin � number� pin � 쳐컴컴컴탠컴컴컴탠컴컴컴탠컴컴컴캑 � 1 � +5v � 16 � DB4 � � 2 � CAS � 17 � MA8 � � 3 � DB0 � 18 � MA9 � � 4 � MA0 � 19 � MA10 � � 5 � MA1 � 20 � DB5 � � 6 � DB1 � 21 � WE � � 7 � MA2 � 22 � GND � � 8 � MA3 � 23 � DB6 � � 9 � GND � 24 � NC � � 10 � DB2 � 25 � DB7 � � 11 � MA4 � 26 � D8-out � � 12 � MA5 � 27 � RAS � � 13 � DB3 � 28 � CAS-pr � � 14 � MA6 � 29 � D8-in � � 15 � MA7 � 30 � +5v � 읕컴컴컴좔컴컴컴좔컴컴컴좔컴컴컴켸 귗� 歲－젷� MAi, RAS, CAS, WE 收 ┘, 譽� ��쩆荻碎 췅 릵5 Œ� 릵7. 귛�ㅻ � �音�ㅻ 쩆��音 � SIMM 貰¸ι���, ��將�с, αエ � ぎН溢收誓 DI � DO Жむ�悚�� 릵5(7) 貰ⅳÞ��� ¸α收, 獸 ▲芯� �� �拾��. 끷エ ��� �젳ㄵレ��, 獸 �黍 信�젺�˚� SIMM 췅ㄾ 信�젺젪エ쥯筍 ㄾ��キⓥ�レ�硫 ▲芯� Д┐� 鼇��� 쩆��音 �昔璵遜��� � 鼇��� 쩆��音 SIMM. � 悚�Д ぎН溢收��. 旼컴컴컴컴컴컴컴컴 �� DI Z80 � 릵5(7) � 旼컫컴컫컴� 읕캑DI� 쿏O쳐컴� 췅 ▲芯� 쳐캑 � � 旼캑WE� � � � 읕컴컴컴컴컴컴컴컴 歲－젷 쭬�ⓤ� 룼ㄺヮ曄��� SIMM 555��5 旼컫컴컫컴� 旼컴훟OE� � � � 쳐캑 � � � �..� �..� � 旼캑DI� 쿏O쳐� � � 읕컨컴컨컴� � � 읕컴컴컴컴컴컴컴� �� DI Z80 � � � SIMM � � 旼컫컴컫컴� � � � � 쿏i쳐좔 췅 ▲芯� � �..� �..� � 쳐캑 � � � � � � � 쳐컴캑WE� � � � 읕컴컴컴컴컴컴컴컴� 歲－젷 쭬�ⓤ� CAS-pr ��ㄺヮ�졻� � +5v 曄誓� 1첁�. NC, D8-out, D8-in �� ��ㄺヮ�졻� �Ø蝨�. MA0..MA10 - сレ殊�ゥめⓣ�쥯��瑜 젮誓�� ��ㄾ∼� 젮誓�젹 릵5(7). 256k SIMM - �� ��ㄺヮ�좐恂� MA9, MA10 1Mb SIMM - �� ��ㄺヮ�젰恂� MA10 4Mb SIMM - ��ㄺヮ曄�� ㏇� 젮誓�� 뤲� ��ㄺヮ曄�Ŀ SIMM 췅ㄾ ��Лⓥ�, 譽� 캙э筍 ㄾウ췅 誓％��黍昔쥯筍碎, �.�. 첓┐瑜 �αぎレぎ Жエ醒ゃ�� ㄾウ�� �濡ⓣ졻藺� 쩆��瑜 �� ㏇ε 飡�ァ餘�. 앪� М┘� 〓筍 ㄾ飡ª�呻� ��誓えㅻ쥯���� 젮誓貰� �昔璵遜��� � ˘ㄵ�悚�щ 췅 сレ殊�ゥめ��졾 젮誓�� 럤�. � 瑟젲�����, Ivan --- GoldED 2.50+ * Origin: 먰も젷� ┬エ 췅 �쳽�β� 맓�� 2 ЖカŦ췅 ゥ�. (2:5030/529.24)