IE507_CTRL
outb(PORT + IE507_CTRL, EL_CTRL_RESET);
outb(PORT + IE507_CTRL, EL_CTRL_NORMAL);
outb(PORT + IE507_CTRL, inb(PORT + IE507_CTRL) & 0xfc); /* XXX */
outb(PORT + IE507_CTRL, EL_CTRL_NRST | EL_CTRL_BNK2);
outb(PORT + IE507_CTRL, EL_CTRL_NORMAL);
outb(PORT + IE507_CTRL, EL_CTRL_NRST);
outb(PORT + IE507_CTRL, EL_CTRL_NRST);