SM1: Difference between revisions

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[[File:mvs_sm1.jpg|right|thumb|SM1 audio driver ROM found on a 1FZS board.]]
[[File:mvs_sm1.jpg|right|thumb|SM1 audio driver ROM found on a 1FZS board.]]


SM1 is the name of the 64kB ROM for the default [[Sound drivers|Sound driver]] embeded in NeoGeo systems.
SM1 is the name of the 64kB [[M1 ROM]] containing the default [[sound driver]] embedded in some NeoGeo MVS systems. It allows [[System_self-test|testing]] of the audio without having a cartridge inserted.


No idea why it's there, since the BIOS doesn't do anything with sound... May have to disasm it.
Dump name: SM1.SM1 in BIOS sets. Signature:
<pre>Ver 1.5b by Mr.Pac h Ber.02/01/08</pre>


Dump name: SM1.SM1 in BIOS sets.
Same pinout as [http://pdf.datasheetcatalog.com/datasheet/macronix/MX27C1000A.pdf 27C1000A].


[[Category:Chips]]
[[Category:Chips]]
[[Category:Audio system]]

Latest revision as of 16:02, 10 November 2018

SM1 audio driver ROM found on a 1FZS board.

SM1 is the name of the 64kB M1 ROM containing the default sound driver embedded in some NeoGeo MVS systems. It allows testing of the audio without having a cartridge inserted.

Dump name: SM1.SM1 in BIOS sets. Signature:

Ver 1.5b by Mr.Pac h Ber.02/01/08

Same pinout as 27C1000A.