[comp.sys.ibm.pc] SIMM vs DRAM

paul@jarthur.Claremont.EDU (Paul Thiessen) (09/15/89)

Howdy all!
  Could someone please tell me what the difference between DRAM and SIMM
memory is? Are they physically the same size? Do I still have to get 9 1Mbit
SIMMs to get a meg like with DRAM? Is one better than the other? My memory
board contains DRAMs. Could I replace them with SIMM?
  Thanks in advance for any and all info!

      - Paul

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PAUL THIESSEN, Harvey Mudd College                    ...!uunet!jarthur!paul
paul@jarthur.claremont.edu                           pthiessen@hmcvax.bitnet
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leoh@hardy.harris.com (Leo Hinds) (09/18/89)

SIMM = Single Inline Memory Module (made up of more than one DRAM, typically in
	multiples of 8 or 9 bits wide) ... could also be made of SRAMS ... but
	there is a more limited market for those (typically not in PCs ... 
	though I belive there are a couple of PC vendors using SRAMS in 
	their '386s).  The "Single Inline" refers to a single row of pins (or
	contacts) ... as compared to a DRAM that would be in a "DIP" (dual 
	inline package).

	
Leo Hinds