On Oct 22, 2009, at 6:42 PM, unity wrote:

> Maybe this is a later 128k? I dont want to go off topic too far, but
> how can I tell? Near the serial there is a label for 128k and 512k.

The "raw" board is the same.

128Ks have 4164 chips.

512Ks have 41256 chips.

There is a place on the lower right of the board for the required  
additional multiplexer chip which is for the two additional address  
lines. This is not "stuffed" on the 128 and is on the 512.


--~--~---------~--~----~------------~-------~--~----~
You received this message because you are a member of the Vintage Macs group.
The list FAQ is at http://lowendmac.com/lists/vintagemacs.shtml and our 
netiquette guide is at http://www.lowendmac.com/lists/netiquette.shtml
To post to this group, send email to [email protected]
For more options, visit this group at 
http://groups.google.com/group/vintage-macs

Support for older Macs: http://lowendmac.com/services/
-~----------~----~----~----~------~----~------~--~---

Reply via email to