 ͻ
                                                                          
                    Intel Matched Memory Overview                         
                                                                          
 ͼ

 FEATURES AND BENEFITS - MEMORY MODULES

     Intel has carefully engineered, manufactured, and tested these memory
     modules for compatibility with the IBM, Compaq, Hewlett-Packard, and
     Zenith computers which have 72-pin SIMM sockets on the motherboard.

     Matched Memory(TM) modules are available in 1MB, 2MB, 4MB, and 8MB
     versions.

     Intel has priced Matched Memory modules very competitively and put
     considerable care into the quality of these products.  For instance, we
     use

        Fast page mode DRAM  (provides reliable, faster access)
        Capacitors under every chip  (protects data from power
         fluctuations)
        Resistors to set the Presence Detect Bits  (ensures proper
         recognition by PS/2 computers)

 MATCHED MEMORY MODULE Q&A

 WHAT IS A 72-PIN SIMM? ARE THESE INDUSTRY STANDARD?

     A 72-pin memory module is designed to provide 32-bit memory for i386-
     and i486-based computers. IBM began to use them with the Micro Channel
     PS/2s and now many other vendors have followed suit.  The advantage of
     72-pin SIMMs is that each SIMM provides 32-bits of storage while it
     takes four 30-pin SIMMs to do the same job.  When people speak of
     industry standard SIMMs, they are generally referring to 30-pin SIMMs.

 WHAT KIND OF DRAM DO YOU USE?

     All Matched Memory modules use 70ns or 80ns, fast page mode DRAM. The
     memory modules designed for the IBM PS/2 Models 90 & 95 use 70ns DRAMs,
     all others are rated at 80ns.

     Even though the DRAM are rated at 70ns or 80ns, in most IBM PS/2
     systems Intel Matched Memory Modules will be operating at 85ns. This is
     part of specification for the PS/2 architecture for most IBM PS/2
     systems.

 DO THESE FIT ON INTEL ABOVE BOARDS?

     No.  Our Micro Channel memory boards use industry standard, 30-pin
     SIMMs.

 DOES INTEL MAKE MATCHED MEMORY FOR THE IBM MODELS 90 & 95?

     Yes.  There are 2Meg, 4Meg, and 8Meg Memory Modules available (PCSM
     1290, PCSM 1490, and PCSM 1890 respectively).

 DO MATCHED MEMORY MODULES WORK ON IBM 2-8MB & 2-14 MB BOARDS?

     Do Matched Memory Modules work on IBM 2-8MB & 2-14MB Boards?
     Yes.  The Matched Memory Modules have been fully tested in IBM's
     boards.  However, if you're adding a memory card to a PS/2, don't
     forget Intel has Micro Channel Above Boards that come with a full five-
     year warranty.

 WHY SHOULD I BUY INTEL MATCHED MEMORY MODULES?

     Intel offers a very high quality product, excellent customer support
     and a five-year warranty at an extremely competitive price.

 1 MB   PCSM 1170

     256k x 36 - 72 pin 85NS Fast Page Mode SIMM
     Ŀ
      Compatible Systems              Manufacturer's Comparable
                                      Part Number              
     ͵
         IBM PS/2:                    6450603                  
      MOD 35SX-040, 043                                        
      MOD 35LS-24X                                             
      MOD 40SX-040, 043, 045                                   
      MOD 55SX-031, 041, 061, 081                              
      MOD 55LS-LTO, LEO                                        
      MOD 65SX-061                                             
      MOD 65SC-121                                             
      MOD 70-E61, 061, 081, 121, 161                           
                                                               
         Compaq                       118688-001               
      386/25M                                                  
      386N                                                     
      386s/20                                                  
      486s/16M                                                 
      486s/25M                                                 
      486/33M                                                  
                                                               
         Dell*                        310-2389                 
      425E                                                     
      433E                                                     
                                                               
         Dell*                        310-2466                 
      425TE                                                    
      433TE                                                    
                                                               
         Zenith                       ZA3800-ME                
      386/20                                                   
      386/25                                                   
      386/33                                                   
                                                               
         Hewlett-Packard              D2150A                   
      Vectra 486/25                                            
      Vectra 486/33                                            
      LaserJet IIISi Printer          C2063A                   
     
     *Customer Reports of compatibility.

 2 MB   PCSM 1270

     512k x 36 - 72 pin 85NS Fast Page Mode SIMM
     Ŀ
      Compatible Systems              Manufacturer's Comparable
                                      Part Number              
     ͵
         IBM PS/2:                    6450604                  
      MOD 35SX-040, 043                                        
      MOD 35LS-24X                                             
      MOD 40SX-040, 043, 045                                   
      MOD 50Z-031, 061                                         
      MOD 55SX-031, 041, 061, 081                              
      MOD 55LS-LTO, LEO                                        
      MOD 65SX-061                                             
      MOD 70-E61, 061, 081, 121, 161                           
      MOD P70-30, 061, 121                                     
                                                               
         Compaq                       118689-001               
      386/25M                                                  
      386N                                                     
      386s/20                                                  
      486s/16M                                                 
      486s/25M                                                 
      486/33M                                                  
                                                               
         Dell*                        310-2390                 
      425E                                                     
      433E                                                     
                                                               
         Dell*                        310-2467                 
      425TE                                                    
      433TE                                                    
                                                               
         Hewlett-Packard              D2381A                   
      Vectra 386/25                                            
     
     *Customer Reports

 2 MB   PCSM 1275

     512k x 36 - 72 pin 85NS Fast Page Mode SIMM
     Ŀ
      Compatible Systems              Manufacturer's Comparable
                                      Part Number              
     ͵
         IBM PS/2:                    6450608                  
      MOD 35SX-040, 043                                        
      MOD 35LS-24X                                             
      MOD 40SX-040, 043, 045                                   
      MOD 70-A21, A61, A81                                     
     

 2 MB   PCSM 1290

     512K x 36 - 72 pin 70NS Fast Page Mode SIMM
     Ŀ
      Compatible Systems              Manufacturer's Comparable
                                      Part Number              
     ͵
         IBM PS/2:                    6450902                  
      MOD 57SX-041, 081                                        
      MOD 90                                                   
      MOD 95                                                   
     

 4 MB   PCSM 1455

     1MB x 36 - 72 pin 85NS Fast Page Mode SIMM
     Ŀ
      Compatible Systems              Manufacturer's Comparable
                                      Part Number              
     ͵
         IBM PS/2:                    87F9977, 34F2933         
      MOD 35SX-040, 043                                        
      MOD 35LS-24X                                             
      MOD 40SX, 040, 043, 045                                  
      MOD 55SX-031, 041, 061, 081                              
      MOD 55LS-LTO, LEO                                        
      MOD 65SX-061                                             
      MOD 65SX-121                                             
                                                               
         Compaq                       118690-001               
      386/25M                                                  
      386N                                                     
      386s/20                                                  
      486s/16M                                                 
      486s/25M                                                 
      486/33M                                                  
                                                               
         Dell*                        310-2468                 
      425TE                                                    
      433TE                                                    
                                                               
         NEC*                                                  
      386/33i                                                  
      Prospeed 486SX-C 20MHz                                   
                                                               
         Zenith                       ZA3800-MK                
      386/20                                                   
      386/25                                                   
      386/33                                                   
                                                               
         Hewlett-Packard              D2151A                   
      Vectra 486/25                                            
      Vectra 486/33                                            
     
     *Customer Reports

 4 MB   PCSM 1490

     1MB x 36 - 72 pin 70NS Fast Page Mode SIMM
     Ŀ
      Compatible Systems              Manufacturer's Comparable
                                      Part Number              
     ͵
         IBM PS/2: MOD 90, 95         6450128                  
      MOD 57SX-041, 081                                        
      MOD 90                                                   
      MOD 95                                                   
                                                               
         Hewlett-Packard                                       
      LaserJet IIISi Printer          C2065A                   
     

 8 MB   PCSM 1890

     Ŀ
      Compatible Systems              Manufacturer's Comparable
                                      Part Number              
     ͵
         Compaq Deskpro               128877-001               
      386/25M                                                  
      486s/16M                                                 
      486s/25M                                                 
      486/33M                                                  
                                                               
         IBM PS/2                     6450129                  
      MOD 35SX-040, 043                                        
      MOD 35LS-24X                                             
      MOD 40SX-040, 043, 045                                   
      MOD 57SX-041, 081                                        
                                                               
      MOD 90                          6450130                  
      MOD 95                                                   
     

 8 MB   PCSM 18V4

     Ŀ
      Compatible Systems              Manufacturer's Comparable
                                      Part Number              
     ͵
         Hewlett-Packard              D2152A                   
      Vectra 386/25                                            
      Vectra 486/25                                            
      Vectra 486/33                                            
      Vectra 486s/20                                           
     



End of file                 Intel FaxBack # 1800          August 4,1992
