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 ====Custom Chips==== ====Custom Chips====
  
-^Chip Number^Chip Name^Specs^Notes^ +
-|8370|Agnus|512KB|NTSC, can be swapped for an 8372| +
-|8372A|Fat Agnus|1MB|NTSC, can be swapped for an 8370| +
-|8372B and 8375|SuperFat Agnus|2MB|NTSC, hard to find, grab it if you can get it, I //think// this is the standard chip for all ECS machines; I also believe this can be swapped for any of the others but you may not get all of the 2MB without other mods|+
  
 ===Agnus=== ===Agnus===
  
-This is the main graphics chip for Amigas. +  * This is the main graphics chip for Amigas. 
-Format/package - (84) contact PLCC Fat Agnus (named Fat Lady on most Amiga 2000 motherboards) 8370; 8371; 8372; 8372A; 8372AB; 8372B; 8375+  * You can swap 8370 (512KB) and 8372(1024KB) chips whenever/wherever you like. Of course memory limits are tied to the chip. 
 +  * You can't swap an 8375 (2MB) for a 512/1024KB chip and get more memory. There are other changes needed to for the large memory addresses. 
 +  * Format/package - (84) contact PLCC Fat Agnus (named Fat Lady on most Amiga 2000 motherboards) 8370; 8371; 8372; 8372A; 8372AB; 8372B; 8375 
 +  * 8372B and 8375 - SuperFat Agnus with 2MB, hard to find, grab it if you can get it, I //think// this is the standard chip for all ECS machines 
 +  * Agnus became Alice in the A4000/A1200
  
 ^Chip Name^Chip Number^Part Number^Used In^ ^Chip Name^Chip Number^Part Number^Used In^
 |Agnus (512K)|8361|252125-01|A1000 (NTSC), A2000A (NTSC)| |Agnus (512K)|8361|252125-01|A1000 (NTSC), A2000A (NTSC)|
-|Agnus (512K)|8361 R3|A1000(NTSC), A2000A(NTSC)|+|Agnus (512K)|8361 R3||A1000(NTSC), A2000A(NTSC)|
 |Agnus (512K)|8367|252362-01|A1000 (PAL), A2000A (PAL)| |Agnus (512K)|8367|252362-01|A1000 (PAL), A2000A (PAL)|
-|Agnus (512K)|8370|318070-01|A500 (NTSC), A2000 (NTSC), can be swapped for an 8372||+|Agnus (512K)|8370|318070-01|A500 (NTSC), A2000 (NTSC), can be swapped for an 8372|
 |Agnus (512K)|8371|318071-01|A500 (PAL), A2000 (PAL)| |Agnus (512K)|8371|318071-01|A500 (PAL), A2000 (PAL)|
 |Agnus (1MB)|8372|318069-02|A500 (PAL), A2000 (PAL) Regular Type| |Agnus (1MB)|8372|318069-02|A500 (PAL), A2000 (PAL) Regular Type|
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 |Agnus (2MB)|8372B|318069-03|MegAChip (NTSC)| |Agnus (2MB)|8372B|318069-03|MegAChip (NTSC)|
 |Agnus (2MB)|8375 R0|318069-18|A500+ (PAL), A600 (PAL)| |Agnus (2MB)|8375 R0|318069-18|A500+ (PAL), A600 (PAL)|
-|Agnus (1MB)|8375 / 8375 R1|318069-16   A500 (PAL), A2000 (PAL)| +|Agnus (1MB)|8375 / 8375 R1|318069-16|A500 (PAL), A2000 (PAL)| 
-|Agnus (2MB)|8375 R2|318069-10   A500+ (PAL), A600 (PAL)| +|Agnus (2MB)|8375 R2|318069-10|A500+ (PAL), A600 (PAL)| 
-|Agnus (2MB)|8375|318069-11   A500+(NTSC) and A600(NTSC)| +|Agnus (2MB)|8375|318069-11|A500+(NTSC) and A600(NTSC)| 
-|Agnus (1MB)|8375|318069-17   A500 (NTSC), A2000 (NTSC) in rev 6.4| +|Agnus (1MB)|8375|318069-17|A500 (NTSC), A2000 (NTSC) in rev 6.4| 
-|Agnus (2MB)|8375|318069-19   A3000 (NTSC), A3000T (NTSC)| +|Agnus (2MB)|8375|318069-19|A3000 (NTSC), A3000T (NTSC)| 
-|Agnus (2MB)|8375|390544-01   A500+ (PAL), A600 (PAL)| +|Agnus (2MB)|8375|390544-01|A500+ (PAL), A600 (PAL)| 
-|Agnus (2MB)|8375|390544-02   A500+ (NTSC), A600 (NTSC)|+|Agnus (2MB)|8375|390544-02|A500+ (NTSC), A600 (NTSC)|
  
  
  
Last modified: le 2026/02/25 11:44

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