Unique visits: 7977 Can you help getting more info about those carts? |
|
Name | Value |
---|---|
IC1 | VRC5(QFP80) |
IC2 | EF901(27F080) |
IC3 | EF901-KN(27F080) |
IC4 | KONAMI 052701 (SRAM 6264?)(6264) |
IC5 | 6264 |
IC6 | 6264 |
C1 | 100n |
C2 | 100n |
C3 | ? |
C4 | ? |
C5 | ? |
C6 | ? |
C7 | - |
CART1 | FAMICOM_CART |
CON1 | Konami-QTA |
CX | - |
D1 | |
D2 | |
JP? | CLOSED |
JPA | OPEN |
JPB | CLOSED |
JPC | CLOSED |
JPD | CLOSED |
JPE | OPEN |
JPF | OPEN |
JPG | OPEN |
JPH | OPEN |
JPK | CLS |
JPL | OPEN |
JPM | CLOSED |
JPN | OPEN |
JP_P/J/I | |
R1 | 1k |
R2 | 1k |
Sanchez sent me photos of both sides of the cartridge and adapter, so I was able to do my best and try to find-out the pinouts. I can't guarantee in 100% that all hidden connections were revealed correctly, but the VRC5 pin order seems to be quite logical (pins are in functional groups and in order) Adapter: [url=https://obrazki.elektroda.pl/7477397000_1567668293.jpg][img]https://obrazki.elektroda.pl/7477397000_1567668293_thumb.jpg[/img][/url] [url=https://obrazki.elektroda.pl/6283113400_1567668299.jpg][img]https://obrazki.elektroda.pl/6283113400_1567668299_thumb.jpg[/img][/url] [url=https://obrazki.elektroda.pl/9207505200_1567668302.jpg][img]https://obrazki.elektroda.pl/9207505200_1567668302_thumb.jpg[/img][/url] [url=https://obrazki.elektroda.pl/9473693500_1567668304.jpg][img]https://obrazki.elektroda.pl/9473693500_1567668304_thumb.jpg[/img][/url] [url=https://obrazki.elektroda.pl/4448299700_1567711081.png][img]https://obrazki.elektroda.pl/4448299700_1567711081_thumb.jpg[/img][/url] Cartridge: [url=https://obrazki.elektroda.pl/8876187700_1567668351.jpg][img]https://obrazki.elektroda.pl/8876187700_1567668351_thumb.jpg[/img][/url] [url=https://obrazki.elektroda.pl/8607980800_1567668354.jpg][img]https://obrazki.elektroda.pl/8607980800_1567668354_thumb.jpg[/img][/url] [url=https://obrazki.elektroda.pl/6974727700_1567668359.jpg][img]https://obrazki.elektroda.pl/6974727700_1567668359_thumb.jpg[/img][/url] [url=https://obrazki.elektroda.pl/3963487600_1567668361.jpg][img]https://obrazki.elektroda.pl/3963487600_1567668361_thumb.jpg[/img][/url] [url=https://obrazki.elektroda.pl/9905417500_1567668373.png][img]https://obrazki.elektroda.pl/9905417500_1567668373_thumb.jpg[/img][/url] [code] My notes/doubts: * Both cartride and adapter contains a lot of jumpers, whose role is to switch between DIL32 / DIL28 ROMs Cartridge PCB (351384) -------------------------------------------------------------------- IC2 JPC JPF JPB JPE JPD JPA DIL32 OPN CLS OPN CLS OPN CLS <- default (EF009-5A installed) DIL28 CLS OPN CLS OPN CLS OPN -------------------------------------------------------------------- IC1 <- always DIL32 (EF009-5B installed) -------------------------------------------------------------------- IC3 JPJ JPM JPI JPL JPK JPH DIL32 OPN CLS OPN CLS OPN CLS <- default (non populated) DIL28 CLS OPN CLS OPN CLS OPN -------------------------------------------------------------------- Adapter PCB (351383A) -------------------------------------------------------------------- IC2 JPF JPG JPA JPC JPD JPE JPB JPH DIL28 OPN OPN OPN CLS CLS OPN CLS OPN <- default (EF901 installed) DIL32 CLS OPN CLS OPN CLS OPN OPN CLS -------------------------------------------------------------------- IC3 JPN JPM JPL JPK DIL28 OPN CLS OPN CLS <- default (EF901-KN installed) DIL32 OPN CLS CLS OPN * INT PRG ROM / INT PRG RAM refers to the internal chips (those inside adapter) * EXT PRG ROM / EXT PRG RAM refers to the external chips (those inside cartridge that is plugged into adapter) * Theoretically the maximum supported ROM sizes are: INT PRG ROM: 1 * 256 kiB EXT PRG ROM: 3 * 256 kiB INT CHR ROM: 128 kiB INT PRG RAM: 8 kiB EXT PRG RAM: 32 kiB ??? * Unknown pins: VRC5.68 = QTA.18 (might be PRG RAM A13) VRC5.80 = QTA.39 (might be PRG RAM A14) * CHR-ROM chip (EF901-KN) has shuffled address lines and PPU A3 is not connected dirrectly but through VRC5 (is that something used to automatic japanese character switching?) * What is Konami 052701 - regular 8k SRAM? Why they didnt use the same chip as for CHR-RAM or PRG-RAM? I analyzed other Konami Famicom PCBS and they never used RAM with Konami markings. * There is one track on the adapter PCB that I don't have idea where goes to (and it seems to be surplus) [/code] [url=https://obrazki.elektroda.pl/7401728600_1567669267.jpg][img]https://obrazki.elektroda.pl/7401728600_1567669267_thumb.jpg[/img][/url] [code] Konami-QTA Left=Label side +-----+ GND -- |01 21| -- VCC CPU A6 -> |02 22| <- CPU A8 CPU A11 -> |03 23| <- CPU A9 CPU A4 -> |04 24| <- CPU A5 CPU A3 -> |05 25| <- CPU A10 CPU A2 -> |06 26| <> CPU D7 CPU A12 -> |07 27| <- CPU A7 CPU D6 <> |08 28| <- CPU R/W CPU D5 <> |09 29| <- CPU A1 CPU D4 <> |10 30| <- CPU A0 GND -- |11 31| -- GND CPU D3 <> |12 32| <> CPU D0 CPU D2 <> |13 33| <> CPU D1 PRG A13 -> |14 34| <- PRG A14 PRG A15 -> |15 35| <- PRG A16 EXT PRG ROM0 /CE -> |16 36| <- PRG A17 EXT PRG ROM1 /CE -> |17 37| <- EXT PRG ROM2 /CE ? |18 38| <- PRG RAM A12 EXT PRG RAM /CE -- |19 39| ? VCC -- |20 40| -- VCC +-----+ _____ CPU A8 -> /01 80\ ? (goes to QTA 39, maybe PRG RAM A14?) VCC -- /02 79\ <> CPU D0 CPU A9 -> /03 (o) 78\ <> CPU D1 CPU A10 -> /04 77\ <> CPU D2 CPU A11 -> /05 76\ <> CPU D3 CPU A12 -> /06 75\ <> CPU D4 CPU A13 -> /07 74\ <> CPU D5 CPU A14 -> /08 73\ -- VCC CPU R/W -> /09 72\ <> CPU D6 CPU /RMSL -> /10 71\ <> CPU D7 M2 -> /11 70\ <- PPU /WE GND -- /12 69\ <- PPU /RD /IRQ <- /13 68\ ? (goes to QTA 18, maybe PRG RAM A13?) CIR A10 <- /14 67\ -> PRG RAM A12 CHR RAM A12 <- /15 66\ -> EXT PRG ROM0 /CE PPU A3 -> /16 65\ -> EXT PRG ROM1 /CE PPU D0 <> /17 64/ -> EXT PRG ROM2 /CE PPU D1 <> /18 63/ -- GND PPU D2 <> /19 VRC 5 62/ -> INT PRG ROM /CE PPU D3 <> /20 61/ -> PRG A17 PPU D4 <> /21 60/ -> PRG A16 PPU D5 <> /22 59/ -> PRG A15 GND -- /23 58/ -> PRG A14 PPU D6 <> /24 57/ -> PRG A13 PPU D7 <> \25 56/ -> QTRAM /WE PPU A7 -> \26 55/ -> INT PRG RAM /CE PPU A8 -> \27 54/ -> EXT PRG RAM /CE PPU A9 -> \28 53/ -> CHR ROM A16 PPU A10 -> \29 52/ -- GND PPU A11 -> \30 51/ -> CHR ROM A15 PPU A12 -> \31 50/ -> CHR ROM A14 PPU A13 -> \32 49/ -> CHR ROM A13 VCC -- \33 48/ -> CHR ROM A12 CIRAM /CE <- \34 47/ -> CHR ROM A11 QTRAM +CE <- \35 46/ <> QTRAM D7 CHR ROM /CS <- \36 45/ <> QTRAM D6 CHR RAM /CS <- \37 44/ <> QTRAM D5 QTRAM D0 <> \38 43/ <> QTRAM D4 QTRAM D1 <> \39 42/ -- GND QTRAM D2 <> \40 41/ <> QTRAM D3 \ / \ / [/code]
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