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Internet Message Format  |  1992-12-22  |  3.2 KB

  1. Path: sparky!uunet!stanford.edu!sun-barr!sh.wide!inetgw.melco!katase.melco!isvax!loamx!micro!ichikawa
  2. From: ichikawa@lsi.melco.co.jp (ICHIKAWA Shuichi)
  3. Newsgroups: fj.sys.misc
  4. Subject: Re: A Giga bits chip.
  5. Message-ID: <1278@micro.lsi.melco.co.jp>
  6. Date: 22 Dec 92 01:15:28 GMT
  7. References: <1992Dec18.002056.25238@tsl.cl.nec.co.jp>
  8. Sender: news@micro.lsi.melco.co.jp
  9. Reply-To: ichikawa@pxl.cll.melco.co.jp
  10. Distribution: fj
  11. Organization: Mitsubishi Electric Corporation, LSI Lab., Itami, Japan.
  12. Lines: 51
  13. Nntp-Posting-Host: ls09
  14. X-Newsreader: TIN [version 1.1 PL8]
  15.  
  16.  
  17.   $@;T@n!w;0I)EE5!$H?=$7$^$9!#(J
  18.  
  19. NADEHARA Kouhei (nade@TSL.CL.nec.co.jp) wrote:
  20. : RAM $@%A%C%W>e$K>iD9$J%a%b%j%;%kNs$rMQ0U$7$F$*$-!"7g4Y$N8+$D$+$C$?Ns$r(J
  21. : $@8!::;~$K$=$3$HF~$l49$($F$7$^$&$H$$$&$h$&$JOC$rJ9$$$?$3$H$,$"$j$^$9!#(J
  22. : Hard Disk $@$NBeBX%H%i%C%/$N$h$&$J$b$N$G$9$M!#(J
  23.  
  24. : $@;d$O%a%b%j20$8$c$J$$$N$G!"K\Ev$K$d$C$F$$$k$+$I$&$+$O<+?.$,$"$j$^$;$s$,!#(J
  25.  
  26. $@;d$b%a%b%j20$G$O$J$$$N$G$9$,!"IaDL$I$N2q<R$b$d$C$F$$$k$H;W$$$^$9!#JbN1$^(J
  27. $@$j$r>e$2$k$?$a$N<jK!$J$N$G$9$+$i!"@8;:%3%9%H$r2<$2$k$?$a$K$OEvA3$G$7$g$&!#(J
  28.  
  29. RAM cell$@$O#2<!85G[Ns$K$J$C$F$$$k$N$G!"9T!?Ns$H$b$KM=Hw9T$rMQ0U$7$F$*$-!"(J
  30. $@%F%9%H$G0[>o$J9T!?Ns$,8!=P$5$l$?$iM=Hw$N9T!?Ns$GCV49$7$^$9!#6qBNE*$K$O!"(J
  31. $@ITNI$N$"$k9T!?Ns$rIT3h@-2=$7!"M=Hw9T!?Ns$N%G%3!<%@$r3h@-2=$9$k$3$H$K$h$C(J
  32. $@$F<B8=$7$^$9!#3h@-2=!?IT3h@-2=$K$O(Jcase-by-case$@$G?'!9$J2sO)%F%/%K%C%/$,MQ(J
  33. $@$$$i$l$^$9$,!"BeI=E*$J$H$3$m$G$O(Jfuse$@MOCG!"%l!<%6%H%j%_%s%0!"%l!<%6%"%K!<(J
  34. $@%k$J$I$,$"$j$^$9!#(J
  35.  
  36. ECC$@2sO)$$$j$N(Jchip$@$J$I$b9M$($i$l$^$9$,!"2sO)F0:n$,CY$/$J$k$7(Jchip$@>e$N<BAu(J
  37. $@LL@Q$b?)$&$N$G<BNc$O$[$H$s$I$"$j$^$;$s!#(J
  38.  
  39. $@$3$3$GOC$NH/C<(J(chip$@7g4Y$r%=%U%H%&%'%"$G5_$&OC(J)$@$K$D$$$F$G$9$,!'(J
  40.  
  41. $@IT2DG=$G$O$J$$$,ITMx$JE@$bB?$$$N$G<B8=$5$l$F$$$J$$$H$$$&$3$H$G$7$g$&!#Nc(J
  42. $@$($P!"9M$($F$_$k$H!D!D(J
  43.  
  44. (1) $@%G!<%?%P%9$,(J32bit$@$G(JRAM$@$,(Jx1$@9=@.$@$H(J32chips$@$N(Jdefect address$@$N(JOR$@$G7g4Y(J
  45. $@%"%I%l%9$,$G$-$F$7$^$&!#(J($@$^$!$3$l$O$?$$$7$?$3$H$J$$$+(J)
  46.  
  47. (2) $@;HMQ2DG=$JJ*M}%"%I%l%9$,ITNINN0h$N$?$aHt$SHt$S$K$J$k$N$G!"(JOS$@$J$I$r<B(J
  48. $@5!(Jindependent$@$K$9$k$K$O!"(JOS$@0JA0$NCJ3,$G<B%"%I%l%9"*J*M}%"%I%l%9$N(Jmap$@$,I,(J
  49. $@MW$K$J$k!#7k6I!"F0:n;~$N%*!<%P%X%C%I$,0lCJA}$($k!D(J($@<BAu<!Bh$@$,(J)$@!D!#L^O@(J
  50. OS(firmware?)$@$NBP1~IJ$bI,MW$@!#(J
  51.  
  52. (3) $@$^$k$C$-$jF0$+$J$$(Jchip$@$r=P2Y$9$k$o$1$K$O9T$+$J$$$N$G!"%a!<%+$O7k6I(J
  53. test$@$r$7$J$$$o$1$K$O$$$+$J$$!#B?>/$NITNI$^$G$O5v$5$l$k$H$J$l$P86M}E*$K$O(J
  54. $@B?>/$O(Jtest$@$,3Z$K$J$k$,!"5v$5$l$k8BEY$K$O$$$C$F$$$k$+$I$&$+$rJ]>Z$9$k$?$a(J
  55. $@$K$O7k6IA4LLE*$J%F%9%H$,I,MW$G$"$k$3$H$KJQ$o$j$O$J$$$N$G!":#$N$H$3$m$OM>(J
  56. $@$j%a%j%C%H$,$J$$!#40A4IJ$NJbN1$^$j$,6K$a$FDc$1$l$P$=$&$$$&%"%W%m!<%A$b$"(J
  57. $@$jGd$k$N$@$,!"8=<B$K$OB?>/$NITNI$J$i(Jchip$@>e$N>iD9@-$G%+%P!<$G$-$k$N$G!"$=(J
  58. $@$&$O$J$i$J$$!#(J
  59.  
  60. $@$^$!(JRAMchip$@$OBgNL@8;:$N5,3JIJ$@$+$i$3$=5pBg$J@_HwEj;q$,2DG=$K$J$j!"<B:](J
  61. $@$K:n$l$k$o$1$G!"3'$,Gc$C$F$/$l$k$b$N$7$+:n$l$J$$$H$$$&$N$,8=<B$G$7$g$&$+!#(J
  62. $@$G$b>-Mh$3$&$$$&J}8~$,8=<BE*$K$J$l$P$=$&$J$k$+$bCN$l$^$;$s!#$7$+$7$=$l$H(J
  63. $@F1DxEY$KB>$NJ}8~$K$$$/2DG=@-$b$"$k(J(ECC RAM$@$H$+(J)$@!#(J
  64.  
  65. --
  66.     $@;T@n!!<~0l(J  (ICHIKAWA Shuichi)  ichikawa@lsi.melco.co.jp
  67.