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Article #53684

Re: SIMM memory

#53684
From: Takehiko Noro
Date: Wed, 21 Aug 1996 00:00
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้‡Žๅ‘‚ใงใ™ใ€‚

<Dw9xBD.4yF@rdsun26.roland.co.jp>ใฎ่จ˜ไบ‹ใซใŠใ„ใฆ
komuro@roland.co.jpใ•ใ‚“ใฏๆ›ธใใพใ—ใŸใ€‚

 > >> C650(Q650)ใซใฏใ€ใƒกใƒขใƒชใ‚คใƒณใ‚ฟใƒผใƒชใƒผใƒ–ใจใ„ใ†ๆฉŸ่ƒฝใŒใ‚ใ‚Šใพใ™ใ€‚
 > 
 >     ใ‚ใ‚Œใฃ๏ผŸใใ†ใชใ‚“ใงใ™ใ‹ใ€‚๏ผˆๅฐ‘ใชใใจใ‚‚ใ‚ฏใ‚ขใƒ‰ใƒฉ650ใซใฏ๏ผ‰ใใ‚Œใฏ
 >     ใชใ„ใ€ใจ็‰ฉใฎๆœฌใง่ชญใ‚“ใ ใ‚ˆใ†ใชๆฐ—ใŒใ—ใพใ™ใŒใƒปใƒปใ€‚ใ‚ฌใ‚ปใ ใฃใŸใฎใ‹ใช๏ผŸ
 >     ใฉใชใŸใ‹ใ€่ฃใ‚’ๅ–ใ‚‰ใ‚Œใฆใ„ใ‚‹ใƒฆใƒผใ‚ถใƒผใฎๆ–นใ€ใ„ใ‚‰ใฃใ—ใ‚ƒใ„ใพใ›ใ‚“๏ผŸ

--SIMM Stack Copyright Apple Computer, Inc. 1995 ใ‚ˆใ‚Šๅผ•็”จ

The Centris/Quadra 650 uses "memory interleaving" which occurs when like
SIMM pairs are used (for example: two 8MB SIMMs).  This allows the memory
subsystem to perform certain operations faster.  Basically, it allows the
memory subsystem to write to the same memory address in different banks
of memory before incrementing the address.  Depending on how memory
intensive the application, this can improve performance 5 to 10%.

-- 
Takehiko Noro (้‡Žๅ‘‚ ไธˆๅฝฆ) / Kawaguchi-Shi, Saitama-Ken, JAPAN
t-noro@st.rim.or.jp
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From: t-noro@st.rim.or.jp (Takehiko Noro)
Subject: Re: SIMM memory
Date: 1996/08/21
Message-ID: <t-noro-2108961903460001@st.rim.or.jp>
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