Battery-backed RAM: Difference between revisions
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See [[Battery replacement]]. | See [[Battery replacement]]. | ||
=Original batteries= | |||
* SAFT come from MV2 and MV4 | |||
* Toshiba come from MV1 | |||
<gallery> | |||
File:Battery-saft.jpg|thumb|White SAFT battery | |||
File:IMG_20181111_184913.jpg|thumb|Blue SAFT battery | |||
File:Battery-toshiba.jpg|thumb|Toshiba battery | |||
</gallery> | |||
<gallery> | |||
File:Battery-saft-size.jpg|thumb|White SAFT battery | |||
File:Battery-saft-blue-size.jpg|thumb|Blue SAFT battery | |||
File:Battery-toshiba-size.jpg|thumb|Toshiba battery | |||
</gallery> | |||
[[Category:Chips]] | [[Category:Chips]] | ||
[[Category:Base system]] | [[Category:Base system]] | ||
Latest revision as of 20:50, 12 November 2018
Battery powered RAM (made non-volatile) is used as backup RAM in the MVS to store cab related information (bookkeeping) and score tables (sometimes called "SRAM").
The CD systems use it to store game saves instead of using memory cards.
Except V-Liner, no game cartridges store player data.
BIOS calls are used to handle the specific formats, although nothing prevents read/writes being done the game's 68k program itself.
Battery replacement
See Battery replacement.
Original batteries
- SAFT come from MV2 and MV4
- Toshiba come from MV1
-
White SAFT battery
-
Blue SAFT battery
-
Toshiba battery
-
White SAFT battery
-
Blue SAFT battery
-
Toshiba battery
