Apple 5420/180 Benutzerhandbuch

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 Upgrades
5400/5500 DIMM Upgrade - 9
 
Important:
 
  Apple may use vendors not listed on this table. If 
the DRAM markings don’t match the table criteria, use 
another identification method.
 
EDO Chip Identification
Vendor
Marking Example
 
SEC
The third character from the right is a non-zero number (for example, 
KM44C400
 
4
 
-60)
SEC
The fourth character from the right is a non-zero number (for example, 
KM416C120
 
4
 
BJ-6)
Hyundai The second character from the right is a non-zero number (for example, 
HY511816
 
4
 
B)
Micron
A space and a capital X are present at the end of the marking (for example, 
MT8D264G-xx 
 
X
 
)