User:Ben Boldt

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Winning isn't fun. It is game over.

See my Wikipedia User Page.

See my contributions at DataCrystal.

See my college website (archived).


Famicom Network System (aka. Famicom Modem) WIPs:

                                                   _____
                                                  /     \
                                       CPU A0 -> / 1 100 \ -- +5Vcc
                                      CPU A1 -> / 2    99 \ -- 
                                     CPU A2 -> / 3      98 \ <> CPU D0
                                    CPU A3 -> / 4        97 \ <> CPU D1
                                   CPU A4 -> / 5          96 \ <> CPU D2
                                  CPU A5 -> / 6            95 \ <> CPU D3
                                 CPU A6 -> / 7              94 \ <> CPU D4
                                CPU A7 -> / 8                93 \ <> CPU D5
                              CPU A12 -> / 9                  92 \ <> CPU D6
                             CPU A13 -> / 10                   91 \ <> CPU D7
                            CPU A14 -> / 11                     90 \ -- GND
                           /ROMSEL -> / 12                       89 \ ?? P2-5
                          CPU R/W -> / 13                         88 \ ?? P2-6
                              M2 -> / 14                           87 \ ?? P2-7
                P6-1 Lid Switch -> / 15                             86 \ ?? P2-8
                               -- / 16                               85 \ ?? P2-9
                         /IRQ <- / 17                                 84 \ ?? P2-10
                       +5Vcc -- / 18                                   83 \ ?? P2-11
                            -- / 19                                     82 \ ?? P2-12
          21.47727MHz Xtal -- / 20                                       81 \ -- +5Vcc
                     Xtal -- / 21                                            \
                         -- / 22                                     O       /
                    GND -- / 23                                          80 / -- 
                       -- / 24                                          79 / ?? P3-2
                      -- / 25                                          78 / ?? P3-3
P4-24, P2-32, 8633-7 ?? / 26             Nintendo RF5C66              77 / ?? P3-4
                    -- / 27      Package QFP-100, 0.65mm pitch       76 / ?? P3-5
                   -- / 28                                          75 / ?? P3-6
                  -- / 29                                          74 / ?? P3-7
                 -- / 30                                          73 / ?? P3-8
                   /       O                                     72 / ?? P3-9
                   \                                            71 / ?? P3-11
         8633-10 ?? \ 31                                       70 / -- GND
          8633-15 ?? \ 32                                     69 / -- 
                   -- \ 33                                   68 / --                    Orientation:
        CHR RAM /CE <- \ 34                                 67 / ?? P3-12               --------------------
               P2-40 ?? \ 35                               66 / ?? P3-13                    80         51
                      -- \ 36                             65 / ?? P3-14                      |         |
                       -- \ 37                           64 / ?? P3-15                      .-----------.
            CHR RAM /CE <- \ 38                         63 / --                          81-|O Nintendo |-50
                     GND -- \ 39                       62 / ?? P4-31                        |  RF5C66   |
                          -- \ 40                     61 / ?? P4-32                     100-|  GCD 4R  O|-31
                           -- \ 41                   60 / ?? P4-29                          \-----------'
                            -- \ 42                 59 / -- +5Vcc                            |         |
                         GND -- \ 43               58 / --                                  01         30
                          GND -- \ 44             57 / ?? 5323-37
                           GND -- \ 45           56 / ?? 5323-41              Legend:
                            GND -- \ 46         55 / ?? 5323-7                ------------------------------
                       CIRAM A10 <- \ 47       54 / ?? 5323-8                 --[RF5C66]-- Power
                          PPU A11 -> \ 48     53 / ?? 5323-9                  ->[RF5C66]<- RF5C66 input
                           PPU A10 -> \ 49   52 / ?? 5323-13                  <-[RF5C66]-> RF5C66 output
                                    -- \ 50 51 / --                           <>[RF5C66]<> Bidirectional
                                        \     /                               ??[RF5C66]?? Unknown
                                         \   /                                    f      Famicom connection
                                          \ /                                     r      ROM chip connection
                                           V                                      R      RAM chip connection


                                                   _____
                                                  /     \
                                    U6 RAM A0 <- / 1 100 \ -- GND
                                   U6 RAM A1 <- / 2    99 \ <> U6 RAM D0
                                  U6 RAM A2 <- / 3      98 \ <> U6 RAM D1
                                 U6 RAM A3 <- / 4        97 \ <> U6 RAM D2
                                U6 RAM A4 <- / 5          96 \ <> U6 RAM D3
                               U6 RAM A5 <- / 6            95 \ <> U6 RAM D4
                              U6 RAM A6 <- / 7              94 \ <> U6 RAM D5
                             U6 RAM A7 <- / 8                93 \ <> U6 RAM D6
                                +5Vcc -- / 9                  92 \ <> U6 RAM D7
                           U6 RAM A8 <- / 10                   91 \ -- +5Vcc
                          U6 RAM A9 <- / 11                     90 \ ?? P4-8
                        U6 RAM A10 <- / 12                       89 \ ?? P4-6
                       U6 RAM A11 <- / 13                         88 \ <- CPU A2
                      U6 RAM A12 <- / 14                           87 \ <- CPU A1
                                -- / 15                             86 \ <- CPU A0
                               -- / 16                               85 \ -- 
                              -- / 17                                 84 \ <- P6-1 Lid Switch
                         GND -- / 18                                   83 \ <- M2
                            -- / 19                                     82 \ -- 
                U6 RAM /WR <- / 20                                       81 \ -- 
               U6 RAM /CE <- / 21                                            \
                         -- / 22                                     O       /
                        -- / 23                                          80 / -- 
                   GND -- / 24                                          79 / -- 
                  GND -- / 25                                          78 / -- GND
                 GND -- / 26             Nintendo RF5A18              77 / -- 
                    -- / 27      Package QFP-100, 0.65mm pitch       76 / -- 
                   -- / 28                                          75 / -- 
                  -- / 29                                          74 / -- 
                 -- / 30                                          73 / ?? P4-22
                   /       O                                     72 / ?? P4-17
                   \                                            71 / ?? P4-18
           +5Vcc -- \ 31                                       70 / ?? P4-16
             P4-7 ?? \ 32                                     69 / ?? P4-13
             P4-14 ?? \ 33                                   68 / ?? P4-20              Orientation:
              P4-10 ?? \ 34                                 67 / ?? P3-19               --------------------
                P4-9 ?? \ 35                               66 / ?? P3-18                    80         51
                P4-11 ?? \ 36                             65 / ?? P3-17                      |         |
                       -- \ 37                           64 / -- +5Vcc                      .-----------.
                   P4-5 ?? \ 38                         63 / ?? P4-19                    81-|O  RF5A18  |-50
                    P4-3 ?? \ 39                       62 / ?? P4-21                        |  Nintendo |
                          -- \ 40                     61 / ?? P4-30                     100-|  GCD 8C  O|-31
                           -- \ 41                   60 / ?? P4-27                          \-----------'
                            -- \ 42                 59 / --                                  |         |
                         GND -- \ 43               58 / -> Green LED, active low            01         30
              19.6608MHz Xtal -- \ 44             57 / -> Red LED, active low
                    1k to Xtal -- \ 45           56 / ?? P4-2                 Legend:
                            GND -- \ 46         55 / ?? P4-23                 ------------------------------
                           +5Vcc -- \ 47       54 / ?? P4-28                  --[RF5A18]-- Power
                            +5Vcc -- \ 48     53 / ?? P4-25                   ->[RF5A18]<- RF5A18 input
                                   -- \ 49   52 / --                          <-[RF5A18]-> RF5A18 output
                                    -- \ 50 51 / --                           <>[RF5A18]<> Bidirectional
                                        \     /                               ??[RF5A18]?? Unknown
                                         \   /                                    f      Famicom connection
                                          \ /                                     r      ROM chip connection
                                           V                                      R      RAM chip connection


                               _____
                              /     \
                          -- / 1  44 \ <- CPU A3
                  CPU A2 -> / 2    43 \ <- CPU A8
                 CPU A1 -> / 3      42 \ <- CPU A11
                       -- / 4        41 \ ?? 5C66-56
               CPU A0 -> / 5          40 \ -- 
                 GND -- / 6            39 \ -- 
            5C66-55 ?? / 7              38 \ -- +5Vcc
           5C66-54 ?? / 8                37 \ ?? 5C66-57
          5C66-53 ?? / 9                  36 \ <- CPU A10
                 -- / 10                   35 \ -- 
                -- / 11                     34 \ <- CPU A9
                  /      Nintendo LH5323M1      \
                  \                             /
                -- \ 12                     33 / <- CPU A4
         5C66-52 ?? \ 13                   32 / -- 
           CPU D0 <> \ 14                 31 / -- 
            CPU D1 <> \ 15               30 / <- CPU A5
             CPU D2 <> \ 16             29 / <- CPU A7
                 GND -- \ 17           28 / -- GND
               CPU D3 <> \ 18         27 / -- 
                CPU D4 <> \ 19       26 / <- CPU A6
                 CPU D5 <> \ 20     25 / -- GND
                  CPU D6 <> \ 21   24 / -- 
                   CPU D7 <> \ 22 23 / -- 
                              \     /
                               \   /
                                \ /
                                 V


                   _______   _______
                   |      \_/      |
           n/c? -- | 1          28 | -- +5Vcc
        PPU A12 -> | 2  O       27 | <- PPU /WR
         PPU A7 -> | 3          26 | <- +CE: U3=RF5C66 34/38, U4=PPU /A13
         PPU A6 -> | 4          25 | <- PPU A8
         PPU A5 -> | 5          24 | <- PPU A9
         PPU A4 -> | 6    CHR   23 | <- PPU A11
         PPU A3 -> | 7    RAM   22 | <- /OE: PPU /RD
         PPU A2 -> | 8   U3/U4  21 | <- PPU A10
         PPU A1 -> | 9          20 | <- /CE: U3=PPU A13, U4=RF5C66 34/38
         PPU A0 -> | 10         19 | <> PPU D7
         PPU D0 <> | 11         18 | <> PPU D6
         PPU D1 <> | 12         17 | <> PPU D5
         PPU D2 <> | 13         16 | <> PPU D4
            GND -- | 14         15 | <> PPU D3
                   |_______________|


P4: Modem Edge Connector
        _________
        |       |
  +5Vcc | 1  19 | 5A18-63
5A18-56 | 2  20 | 5A18-68
5A18-39 | 3  21 | 5A18-62
    GND | 4  22 | 5A18-73
5A18-38 | 5  23 | 5A18-55
5A18-89 | 6  24 | 5C66-26
5A18-32 | 7  25 | 5A18-53
5A18-90 | 8  26 | GND
5A18-35 | 9  27 | 5A18-60
5A18-34 | 10 28 | 5A18-54
5A18-36 | 11 29 | 5C66-60
  +5Vcc | 12 30 | 5A18-61
5A18-69 | 13 31 | 5C66-62
5A18-33 | 14 32 | 5C66-61
  +5Vcc | 15 33 | Audio from 2A03
5A18-70 | 16 34 | Audio to RF
5A18-72 | 17 35 | GND
5A18-71 | 18 36 | GND
        |_______| 


P2: Game Card Connector

 1 | +5Vcc
 2 | +5Vcc
 3 | ?
 4 | ?
 5 | 5C66-89 (probably data)
 6 | 5C66-88 (probably data)
 7 | 5C66-87 (probably data)
 8 | 5C66-86 (probably data)
 9 | 5C66-85 (probably data)
10 | 5C66-84 (probably data)
11 | 5C66-83 (probably data)
12 | 5C66-82 (probably data)
13 | P6-2 Lid Switch
14 | M2
15 | /ROMSEL
16 | CPU A0
17 | CPU A1
18 | CPU A2
19 | CPU A3
20 | CPU A4
21 | CPU A5
22 | CPU A6
23 | CPU A7
24 | CPU A8
25 | CPU A9
26 | CPU A10
27 | CPU A11
28 | CPU A12
29 | CPU A13
30 | CPU A14
31 | ?
32 | ?
33 | ?
34 | ?
35 | ?
36 | 8633-2
37 | ?
38 | P4-24, 8633-7, 5C66-26
39 | ?
40 | 5C66-35
41 | GND
42 | GND