S390RTC(4)

💅 S390RTC — Seiko Instruments S-35390 real-time clock 💅

okay so bestie, this is the s390rtc manual page from section 4 (kernel interfaces, iykyk) — and yes, it's giving ✨niche hardware driver✨ but honestly? kinda iconic.

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🌸 SYNOPSIS 🌸

s390rtc* at iic? addr 0x30

that's the whole configuration line, bestie — s390rtc* attaches at iic? with address 0x30. copy it exactly, no cap 🫶

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✨ DESCRIPTION ✨

so the s390rtc driver? it's literally here to provide support for the Seiko Instruments S-xx390 real-time clock chip. that's the whole job description 💅

and the way that it lets you actually do stuff — y'know, retrieve and set the date and time — is through the TODR interface defined over in todr(9). that's the whole pipeline, periodt.

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🦋 SEE ALSO 🦋

• iic(4)
• todr(9)

go read those, they're the vibe ⭐

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🎀 HISTORY 🎀

the s390rtc device appeared in NetBSD 6.0. it's a real one, been around 👑

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💀 BUGS 💀

ngl, here's the tea: the driver does not support the chip's alarm features 😭 like, no wake-up call energy whatsoever. the alarm stuff is just... not there. fr fr.

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mwah 💋 — this page came to you courtesy of Debian, dated April 5, 2011. slay, go set your clock 🌈