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Understanding RAM chip Numbers:

Step 4: What does my Mac take?

Apple | Motorola | Power Computing

Model Mac Type Volt Speed FPM EDO SDRAM 1K 2K 4K 1 Bank 2 Bank Interl. Notes
PowerMac 4400 DIMM 3.3   N Y N Y Y          
PowerMac 5200 SIMM-72 5   Y Y N              
PowerMac 5300 SIMM-72 5   Y Y N              
PowerMac 5400 DIMM 5   Y- Y N Y Y          
PowerMac 5500 DIMM 5   Y- Y N Y Y          
PowerMac 6100 SIMM-72 5   Y Y N              
PowerMac 6200 SIMM-72 5   Y Y N              
PowerMac 6300 SIMM-72 5   Y Y N              
PowerMac 6400 DIMM 5   Y- Y N Y Y          
PowerMac 6500 DIMM 5   Y- Y N Y Y          

Model Mac

Type Volt Speed FPM EDO SDRAM 1K 2K 4K 1 Bank 2 Bank Interl. Notes
PowerMac 7100 SIMM-72 5   Y Y N              
PowerMac 7200 DIMM 5   Y N N Y Y   * * N  
PowerMac 7300 DIMM 5   Y Y N Y Y       Y  
PowerMac 7500 DIMM 5   Y Y N Y Y   * * Y  
PowerMac 7600 DIMM 5   Y Y N Y Y       Y  
PowerMac 8100 SIMM 5   Y Y N              
PowerMac 8200 DIMM 5   Y Y N Y Y       N  
PowerMac 8500 DIMM 5   Y Y N Y Y       Y  
PowerMac 8600 DIMM 5   Y Y N Y Y       Y  
PowerMac 9500 DIMM 5   Y Y N Y Y       Y  
PowerMac 9600 DIMM 5   Y Y N Y Y       Y  
PowerMac G3 DIMM 3.3   N N Y              
PowerBook 1400 PB-1400 ?   *   N   *       N  
Performa 6360 DIMM 5       N              
      Speed       1K 2K 4K        

* = Allowed
Y = Allowed
Y- = Allowed but disadvantageous
++ = Allowed and might give performance benefit
N = Not Allowed
- = Not Allowed
(blank) = unknown to us































Model MacTypeSpeedFPMEDO1K2K4K1 Bank2 BankInterl.Notes
PowerBook 520PB-520  *   *        
PowerBook 520C PB-520 *   *        
PowerBook 540 PB-520 *   *        
* = Allowed ++ = Allowed and might give performance benefit - = Not Allowed (blank) = unknown to us

Apple | Motorola | Power Computing

Model Mac Type FPM EDO 1K 2K 4K 1 Bank 2 Bank Notes
StarMax 3000 DIMM 3.3v - * * * - * ** 1
StarMax 4000 DIMM 3.3v - * * * - * ** 1

* = Allowed
** = Allowed but see the notes
- = Not Allowed
(blank) = unknown to us

1) 2 slots allow the use of Dual Bank modules. The third slot only takes a Single Bank module.

 

 

Apple | Motorola | Power Computing

Model Mac Type FPM EDO 1K 2K 4K 1 Bank 2 Bank Notes
PowerBase 180 DIMM 5v - * * *   *    
                   

* = Allowed
** = Allowed but see the notes
- = Not Allowed
(blank) = unknown to us

 

Cache modules

Model Mac Type Speed Max Size
       
       
       

 

 

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