Differences

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--- x68000:polyphon_-_fpu_midi_pcm_8mb_memory_board [2014/08/06 22:40] – eidis
+++ x68000:polyphon_-_fpu_midi_pcm_8mb_memory_board [2019/08/27 20:45] (current) – external edit 127.0.0.1
@@ Line 1: / Line 1: @@
 ===== POLYPHON - FPU, MIDI, PCM, 8MB memory board =====
- The Polyphon board allows using optional FPU, MIDI, acts as an hardware PCM accelerator, with the help of PCM8SB.X driver, and can be used as an 8MB (2x4MB) RAM expansion board.
+ The Polyphon board allows using optional FPU, MIDI, acts as a hardware PCM accelerator, with the help of PCM8SB.X driver, and can be used as an 8MB (2x4MB) RAM expansion board.
 |{{:x68000:polyphon_1.jpg?300|}}  |{{:x68000:polyphon_3.jpg?300|}}  |{{:x68000:polyphon_4.jpg?300|}}|
+  *[[http://nfggames.com/x68000/Schematics/Polyphon/Polyphon_ROM_dumps.zip|GAL and EPROM ROM dumps]] were kindly provided by our forum member **Hyperneogeo**
+  *Dipswitch settings were taken from: http://www.tur-up.net/~ta/x68k/poly_dip.html
+  *[[http://gamesx.com/wiki/lib/exe/fetch.php?media=x68000:polyphon_hires_1.jpg|Polyphon Hires]] picture was found by our forum member **AnnaWu**
+**Dipswitch settings**
+|  **SW**  |  **Settings**  |  **ON**  |  **OFF**  |
+|  1  |  Memory address $200000-$3FFFFF  |  Enabled  |  Disabled  |
+|  2  |  Memory address $400000-$5FFFFF  |  Enabled  |  Disabled  |
+|  3  |  Memory address $600000-$7FFFFF  |  Enabled  |  Disabled  |
+|  4  |  Memory address $800000-$9FFFFF  |  Enabled  |  Disabled  |
+|  5  |  Memory address $A00000-$BFFFFF  |  Enabled  |  Disabled  |
+|  6  |  Math processor I / O address  |  $E9E080-$E9E09F  |  $E9E000-$E9E01F  |
+|  7  |  POLYPHON ID  |  $EFF880-$EFF89F  |  $EFF800-$EFF89F  |
+|  8  |  Unused  |
+**Additional memory settings** [0=OFF/1=ON]
+|  Existing memory  |  + 2MB expansion  |  + 4MB expansion  |  + 6MB expansion  |  + 8MB expansion  |
+|  10MB  |  0 0 0 0 1  |  Invalid  |  Invalid  |  Invalid  |
+|  8MB  |  0 0 0 1 0   |  0 0 0 1 1  |  Invalid  |  Invalid  |
+|  6MB  |  0 0 1 0 0   |  0 0 1 1 0  |  0 0 1 1 1  |  Invalid  |
+|  4MB  |  0 1 0 0 0   |  0 1 1 0 0  |  0 1 1 1 0  |  0 1 1 1 1  |
+|  2MB  |  1 0 0 0 0   |  1 1 0 0 0  |  1 1 1 0 0  |  1 1 1 1 0  |
+| | | | |
+|  **SW Nr.**  |  1 2 3 4 5  |  1 2 3 4 5  |  1 2 3 4 5  |  1 2 3 4 5  |