FxROM: Difference between revisions
From NESdev Wiki
Jump to navigationJump to search
m (Created page with 'The generic designation '''FxROM''' refers to cartridge boards made by Nintendo that use the Nintendo MMC4 mapper. The following FxROM boards are known to exist: {| ! B...') |
(Added all the info from the board specific pages, they can be removed) |
||
| Line 2: | Line 2: | ||
The following FxROM boards are known to exist: | The following FxROM boards are known to exist: | ||
{| | {| border="1" | ||
! Board || PRG ROM || PRG RAM || CHR | ! Board || PRG ROM || PRG RAM || CHR | ||
|- | |- | ||
| Line 9: | Line 9: | ||
|[[FKROM]] || 128, 256 KB || 8 KB || 128 KB ROM | |[[FKROM]] || 128, 256 KB || 8 KB || 128 KB ROM | ||
|} | |} | ||
== Overview == | |||
* PRG ROM size: up to 256 KB | |||
* PRG ROM bank size: 16 KB | |||
* PRG RAM: 8 KB plus optional battery | |||
* CHR capacity: up to 128 KB ROM | |||
* CHR bank size: 4 KB | |||
* Nametable [[mirroring]]: Controlled by mapper | |||
* Subject to [[bus conflict]]s: No | |||
== Hardware == | |||
These are the only Nintendo boards to use a specific chip dedicated to safe battery backup. | |||
== See also == | |||
*[[MMC4|Nintendo MMC4]] | |||
Revision as of 21:19, 14 November 2010
The generic designation FxROM refers to cartridge boards made by Nintendo that use the Nintendo MMC4 mapper.
The following FxROM boards are known to exist:
| Board | PRG ROM | PRG RAM | CHR |
|---|---|---|---|
| FJROM | 128, 256 KB | 8 KB | 16, 32, 64 KB ROM |
| FKROM | 128, 256 KB | 8 KB | 128 KB ROM |
Overview
- PRG ROM size: up to 256 KB
- PRG ROM bank size: 16 KB
- PRG RAM: 8 KB plus optional battery
- CHR capacity: up to 128 KB ROM
- CHR bank size: 4 KB
- Nametable mirroring: Controlled by mapper
- Subject to bus conflicts: No
Hardware
These are the only Nintendo boards to use a specific chip dedicated to safe battery backup.
