Clockchip in every MSX2 and up?

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By Grauw

Ascended (10676)

Grauw's picture

04-02-2022, 11:10

foody wrote:

is the rtc easily fixed if it failed?

Just about as easy as any other component that fails.

By Jipe

Paragon (1586)

Jipe's picture

04-02-2022, 16:18

except that the clock is integrated in the MSX system chip from S1985
only MSX2s with an S3527 have an RP5C01 clock in chip form
https://www.msx.org/wiki/Yamaha_S3527

By rzookol

Supporter (10)

rzookol's picture

04-02-2022, 18:14

There is a MSX2 rom for SVI X'press which has clock check disabled

By ducasp

Hero (661)

ducasp's picture

04-02-2022, 21:05

I think Grauw is absolutely correct in his response... MSX2 and on must have the RTC.

Of course there are non-standard versions, like some conversions or consolized versions of the hardware that doesn't have it, but those are not standard and not prevalent.

So it is valid to think that counting on having the RTC might lower a little bit compatibility with those outliers, but that doesn't change the answer: any MSX 2 or better that follows the standard has the RTC.

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