The problem is: Fatter Agnus (8375) is not pin-compatible with older Agnii.
[B] 8375 8372 8372B 8370[/B]
[390544-01] [A3000]
pin# #desc #desc #desc #desc
01 DRD13 DRD13 DRD13 RD13
02 DRD12 DRD12 DRD12 RD12
03 DRD11 DRD11 DRD11 RD11
04 DRD10 DRD10 DRD10 RD10
05 DRD09 DRD09 DRD09 RD09
06 DRD08 DRD08 DRD08 RD08
07 DRD07 DRD07 DRD07 RD07
08 DRD06 DRD06 DRD06 RD06
09 DRD05 DRD05 DRD05 RD05
10 DRD04 DRD04 DRD04 RD04
11 DRD03 DRD03 DRD03 RD03
12 DRD02 DRD02 DRD02 RD02
13 DRD01 DRD01 DRD01 RD01
14 DRD00 DRD00 DRD00 RD00
15 +5V VCC VCC
16 _RESET _RESET _RESET _RESET
17 _INTR _INTR _INTR _INT3
18 DMAL _DMAL _DMAL _DMAL
19 _BLISS _BLISS _BLS _BLS
20 _BLIT _BLIT _BLIT _DBR
21 _WE _WE _WE _RRW
22 _RW _RW _RW _PRW
23 _REGEN _REGEN _REGEN _RGEN
24 _AS _AS _AS _AS
25 _RAMEN _RAMEN _RAMEN _RAMEN
26 RGA8 RGA8 RGA8 RGA8
27 RGA7 RGA7 RGA7 RGA7
28 RGA6 RGA6 RGA6 RGA6
29 RGA5 RGA5 RGA5 RGA5
30 RGA4 RGA4 RGA4 RGA4
31 RGA3 RGA3 RGA3 RGA3
32 RGA2 RGA2 RGA2 RGA2
33 RGA1 RGA1 RGA1 RGA1
34 28MHZ 28MHZ 28MHZ 28MHZ
35 A20 A20 A20 _XCLK (,A20)
36 _CDAC _XCLKEN NC _XCLKEN
37 7MHZ _CDAC _CDAC _CDAC
38 CCKQ _7MHZ _7MHZ _7MHZ
39 CCK _CCKQ _CCKQ _CCKQ
40 14MHZ CCK _CCK _CCK
41 TEST PAL/NTSC TEST
42 CRA0 VSS1 VSS VSS
43 CRA1 DRA0 DRA0 MA0
44 CRA2 DRA1 DRA1 MA1
45 CRA3 DRA2 DRA2 MA2
46 CRA4 DRA3 DRA3 MA3
47 CRA5 DRA4 DRA4 MA4
48 CRA6 DRA5 DRA5 MA5
49 CRA7 DRA6 DRA6 MA6
50 CRA8 DRA7 DRA7 MA7
51 _LDS DRA8 DRA8 MA8
52 _UDS _LDS _LDS _LDS
53 _CASL _UDS _UDS _UDS
54 _CASU _CASL _CASL _CASL
55 CRA9 _CASU _CASU _CASU
56 DRA9 DRA9 _RAS1
57 _RAS0 _RAS _RAS _RAS0
58 _RAS1 VSS2 VSS VSS
59 A19 A19 A19 A19
60 A01 A01 A01 A01
61 A02 A02 A02 A02
62 A03 A03 A03 A03
63 A04 A04 A04 A04
64 A05 A05 A05 A05
65 A06 A06 A06 A06
66 A07 A07 A07 A07
67 A08 A08 A08 A08
68 A09 A09 A09 A09
69 A10 A10 A10 A10
70 A11 A11 A11 A11
71 A12 A12 A12 A12
72 A13 A13 A13 A13
73 A14 A14 A14 A14
74 A15 A15 A15 A15
75 A16 A16 A16 A16
76 A17 A17 A17 A17
77 A18 A18 A18 A18
78 _LPEN _LPEN _LPEN _LP
79 _VSYNC _VSYNC _VSYNC _VSY
80 _CSYNC _CSYNC _CSYNC _CSY
81 _HSYNC _HSYNC _HSYNC _HSY
82 VSS VSS VSS
83 DRD15 DRD15 DRD15 DRD15
84 DRD14 DRD14 DRD14 DRD14
8375 SRC: A500 PLUS MAINTENANCE MANUAL
8372 SRC: "FATAGNUS PRESENT DANS LES AMIGA 300" .GIF
8372B SRC: "8372B-AGNUS_PIN.TXT"
8370 SRC: "8370-AGNUS-PLCC.PNG"
Great tutorial Zetr0! :thumbup:
I used to have a rev 6A A500, which had this mod already applied. It was a nice surprise, when I turned it on for the first time and discovered the complete meg of chip mem. I then souped it up with a 2.05 kick rom and CFIDE68k.
Great tutorial Zetr0! :thumbup:
I used to have a rev 6A A500, which had this mod already applied. It was a nice surprise, when I turned it on for the first time and discovered the complete meg of chip mem. I then souped it up with a 2.05 kick rom and CFIDE68k.
Thanks protek, maybe one day it may become a sticky =D
I would love to see some images with your Rev6a and the CFIDE setup - that would be great!
Update
because guildserver hosting is currently suspended - I have uploaded these images
The basic overview
JP2
JP7A