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To: man-jp-reviewer@jp.freebsd.org
In-Reply-To: Your message of "Thu, 01 Apr 1999 20:19:39 +0900"
	<19990401201939T.mzaki@e-mail.ne.jp>
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Date: Sun, 04 Apr 1999 19:10:44 +0900
From: Kazuo Horikawa <k-horik@yk.rim.or.jp>
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Subject: [man-jp-reviewer 1293] Re: ahc.4
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 $BKY@n$G$9!#(B

$B>>:j$5$s!'(B
>  ahc.4 $B$N=iLu$G$9!#(B
 $B$*Hh$l$5$^$G$9!#(B
 $BCY$/$J$j$^$7$?$,!"%3%a%s%H$J$I!#(B

> $B!&3F%A%C%W$N5!G=$NI=$N%X%C%@!J(B MIPS $B$H$+(B MaxSync $B$H$+!K$r(B
>   $BF|K\8l$K$7$h$&$H$9$k$HJx$l$F$7$^$C$F$&$^$/$$$-$^$;$s!#(B
>   $B$I$&$7$?$i$h$$$N$G$7$g$&!)(B
 $B$H$j$"$($:!"$=$N$^$^$G$*4j$$$7$^$9!#(B

> $B!&F1$8$/I=$N5!G=$N@bL@$N#7HV!J(B Queueing Registers $B!K$NLu$G$9$,!"(B
>   $B$3$l$G$$$$$G$7$g$&$+!)!VDd;_$5$;$J$$L\E*$G%-%e!<%$%s%0$9$k5!G=!W$J$N$+!"(B
>   $B!V%-%e!<%$%s%0$9$k:]$KDd;_$5$;$J$$$G$b$G$-$k$h$&$K$9$k5!G=!W$J$N$+!#(B
 $B8e<T$@$H;W$$$^$9!#(B

> $B!&(B SCB $B$N%;%/%7%g%s$N(B SCB paging $B$N%Q%i%0%i%U!#(B
>   ... as many transactions as there are SCBs outstanding at a time.
>   $B$NLu$,:#0l$D0UL#ITL@$K$J$C$F$7$^$$$^$9!#(B
>   $BFC$K(B outstanding $B$,$h$/$o$+$j$^$;$s!#(B
     If external SRAM is not available, SCBs are a limited resource and using
     them in a straight forward manner would only allow us to keep as many
     transactions as there are SCBs outstanding at a time.
 o outstanding at a time $B$O!"D>A0$N(B SCBs $B$G$O$J$/!"(Btransactions $B$r=$>~(B
 o outstanding $B$O!"L$2r7h(B ($B=hM}Cf(B) $B$N0U$G$7$g$&(B
	$BF1;~$KL$2r7h$K$G$-$k%H%i%s%6%/%7%g%s?t$O!"(BSCB $B?t$^$G$G$9!#(B
 $B!VL$2r7h$K$G$-$k!W$,$-$b$A0-$1$l$P!"(B
	$BF1;~$K=hM}Cf$K$G$-$k%H%i%s%6%/%7%g%s?t$O!"(BSCB $B?t$^$G$G$9!#(B
$B$/$i$$$G$7$g$&$+!#(B

>   $B$5$i$K$=$N#2$D8e$NJ8$K!"(B SCB Paging $B$K2<@~$r;\$7$F$$$^$9$,!"(B
>   $BF|K\8l$G$O!V(B SCB $B!W$@$12<@~$K$J$C$F!V%Z!<%8%s%0!W$K@~$,$R$+$l$^$;$s!#(B
>   $B!J$3$l$O4{CN$N>I>u$@$H;W$$$^$9$,!K$3$N$^$^$G$$$$$G$7$g$&$+!)(B
 $B$$$$$G$9!#(B

> $B!&(B SCSI $B4XO"$NMQ8l$NK]Lu$K:$$C$F$$$^$9!#(B
>   $B$"$kDxEY!"(B WORD: $B$H$7$F<($7$F$"$j$^$9$,!"$3$l$G$h$$$G$7$g$&$+!)(B
 $B0-$/$J$$$H;W$$$^$9!#(B

> .\" WORD: tagged queueing $B%?%0%-%e!<%$%s%0(B
> .\" WORD: programmed I/O  $B%W%m%0%i%`%I(B I/O
> .\" WORD: maximum synchronous negotiation rate $B:GBgF14|%M%4%7%(!<%7%g%sB.EY(B
> .\" WORD: disconnection $B%G%#%9%3%M%/%H(B
 $B$3$N$^$^$G$bNI$$$H;W$$$^$9$,!"!V@ZCG!W$H$5$l$F$$$k$3$H$b$"$k$h$&$G$9!#(B
> .\" WORD: scatter gather
 $B8D?ME*$K$O!"!V%9%-%c%C%?%.%c%6(B($B!<!)(B)$B!W$HH/2;$7$F$^$9$,!"(B
$B=q$/$H$-$O!V(Bscatter gather$B!W$N$^$^$N$3$H$,B?$$$G$9!#(B
 $B!V%9%-%c%C%?%.%c%6(B($B!<!)(B)$B!W$@$HC1$J$k%+%J=q$-$G$9$,!"(Bwww.goo.ne.jp $B$G(B
$B8!:w$9$k$H!"$=$l$J$j$K$"$k$h$&$G$9!#(B

> .\" WORD: transaction $B%H%i%s%6%/%7%g%s(B
> .\" WORD: bus traffic $B%P%9$N8rDLNL(B
 $B8rDLNL$G$b(B OK $B$@$H;W$$$^$9$,!"%H%i%U%#%C%/(B/$BN.NL$NJ}$,0lHLE*$+$b$7$l$^(B
$B$;$s!#(B

> .\" WORD: clock crystal $B?e>=H/?6;R(B
 $B$3$l$O!"$3$l$GNI$$$N$+!"<+?.$J$$$G$9!#(B

 $B$"$H!"(B
 o $B!V%D%$%s!W$H!V(Btwin$B!W$HN>J}EP>l$7$^$9$,!"(B
   $B$I$A$i$+$@$1$NJ}$,$h$5$=$&$@$H;W$$$^$9!#(B
 o $B!V%b%G%k%J%s%P!<!W$O!V%b%G%k%J%s%P!W(Bor$B!V%b%G%kHV9f!W$,NI$$$H;W$$$^$9!#(B


> $BB>$N(B
> .Tn EISA
> $B%+!<%I$H$N>WFM$rKI$0$?$a$K!"(B
> 284x $B$,;HMQ$9$k(B I/O $BNN0h$r@_Dj$9$k%8%c%s%Q$,!"(B
> $B%+!<%I$,A^$79~$^$l$F$$$k(B
> .Tn EISA
> $B%9%m%C%H$HD4OB$7$F$$$k$3$H$r3N$+$a$F2<$5$$!#(B
          $B!VE,9g!W$/$i$$!)(B

> .It
> $B%-%e!<%$%s%0%l%8%9%?(B - $B?7$?$J%H%i%s%6%/%7%g%s$r%-%e!<%$%s%0$7$F%7!<%1%s%5$rDd;_$5$;$J$$$h$&$K$7$^$9!#(B
	$B?7$?$J%H%i%s%6%/%7%g%s$r%-%e!<%$%s%0$7$F(B *$B$b(B*$B!"(B
	$B%7!<%1%s%5$rDd;_$5$;$J$$$h$&$K$7$^$9!#(B
$B$^$?$O(B
	$B%7!<%1%s%5$NDd;_L5$7$K!"(B
	$B?75,%H%i%s%6%/%7%g%s$r%-%e!<%$%s%02DG=$K$7$^$9!#(B
 $B$3$N5!G=$,L5$$$H!"%-%e!<%$%s%0;~$K%7!<%1%s%5$,;_$^$k$N$G$7$g$&!#(B
 $B86J8(B Allows queueing of new transactions without pausing the sequencer.

> $B%b%G%k%J%s%P!<$,(B 7870 $B0J>e$NA4$F$N%A%C%W$O!"(B
> $B3HD%(B SRAM $B$K$h$C$F%A%C%W>e$N(B SCB $B6u4V$r!"(B
> $B:GBg$G(B 255 SCBs $B$^$GA}2C$5$;$k$3$H$,$G$-$^$9!#(B
> Adaptec $B$N%3%s%H%m!<%i$G3HD%(B SRAM $B$r;}$C$F$$$k$b$N$O$[$H$s$I$"$j$^$;$s!#(B
 $B86J8!V(Bexternal SRAM$B!W$J$N$G!"!V3HD%(B SRAM$B!W$h$j!V30It(B SRAM$B!W$NJ}$,$h$5(B
$B$=$&$@$H;W$$$^$9(B (aic7xxx $B%A%C%WFbIt$G3HD%$G$-$J$$$G$7$g$&$+$i!"30It$K(B
$B$J$k$@$m$&$H$O;W$$$^$9$,!"86J80U$O!V30It!W$@$H;W$$$^$9(B)$B!#(B
--
$BKY@nOBM:(B
