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| Game Code: | OK | Genre: | Sports / Sumo |
| US Title: | Not released in the USA | US Publisher: | - |
| Japan Title: | Super Oozumou - Nessen Ooichiban | Japan Publisher: | Namcot |
| Title in Kanji: | スーパー大相撲熱戦大一番 | Title in Kana: | スーパーおおずもうねっせんおおいちばん |
| European Title: | Europe Publisher: | - | |
| Developer: | Namcot | Players: | 1 |
| Accessories: | none | Special Chips: | none |
| Save: | password |
Title translation is roughly "Super Grand Sumo - Close Contest, Great Match. Having watched a bit of sumo, ooichiban is often said when there is a closely contested match, where it could clearly go either way.
Prototypes
| Region | Cart/PCB scan | Dump Status | State of Completion | Source | Notes | Details |
|---|---|---|---|---|---|---|
| Japan | yes | dumped | near final | prototype cart | Only about 26000 bytes different from final | link |
PCB Information
| ROM Chip ID | Region | Known Man. Dates | PCB Type | CIC | SRAM | Decoder/ Logic Circuit | Special Chips |
|---|---|---|---|---|---|---|---|
| Prototype (front) (back) | Japan | - | SHVC-2P3B-01 | D411 | - | SN74LS139N | - |
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