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/vbox/src/VBox/Devices/PC/BIOS/
H A Dsystem.c289 uint16_t bRegister; local
370 bRegister = inb_cmos( 0xB ); // Unmask IRQ8 so INT70 will get through.
371 outb_cmos( 0xB, bRegister | 0x40 ); // Turn on the Periodic Interrupt timer
382 bRegister = inb_cmos( 0xB );
383 outb_cmos( 0xB, bRegister & ~0x40 ); // Turn off the Periodic Interrupt timer

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