tag	line	file	source code
MSE_SIGNATURE_BYTE	150	kernel/chr_drv/busmouse.c	outb(MSE_SIGNATURE_BYTE, MSE_SIGNATURE_PORT);
MSE_SIGNATURE_BYTE	153	kernel/chr_drv/busmouse.c	if (inb(MSE_SIGNATURE_PORT) != MSE_SIGNATURE_BYTE) {