View source for SJROM

'''SJROM''' (NES-SJROM and HVC-SJROM) is a common board within the [[SxROM]] set. Like other SxROM boards, SJROM uses the [[MMC1|Nintendo MMC1]] ASIC.

== Overview ==
* PRG ROM size: 128 or 256 KB (DIP-28/32 Nintendo pinout)
* PRG ROM bank size: 16 KB or 32 KB
* PRG RAM: 8 KB with optional battery
* CHR capacity: 16, 32 or 64 KB ROM (DIP-28 standard pinout)
* CHR bank size: 8 KB or 4 KB
* Nametable [[mirroring]]: Controlled by mapper
* Subject to [[bus conflict]]s: No

== Solder pad config ==
* PRG RAM retaining data : 'SL' disconnected, Battery, D1, D2, R1 and R2 present.
* PRG RAM not retaining data : 'SL' connected, leave slots for Battery, D1, D2, R1, and R2 free.

== See also ==
*[[MMC1|Nintendo MMC1]]