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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 Mac
Type
Speed
FPM
EDO
1K
2K
4K
1 Bank
2 Bank
Interl.
Notes
PowerBook 520
PB-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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