CONFIG_1
outb(CHIP_OFF ,ioaddr + CONFIG_1);
saved_bank = inb(ioaddr + CONFIG_1);
outb(0xe4, ioaddr + CONFIG_1);
outb(saved_bank, ioaddr + CONFIG_1);
outb(BANK_0, ioaddr + CONFIG_1);
outb(BANK_0U, ioaddr + CONFIG_1);
outb(BANK_0, ioaddr + CONFIG_1);
outb(BANK_0U, ioaddr + CONFIG_1);
outb(BANK_2, ioaddr + CONFIG_1);
outb(BANK_2U, ioaddr + CONFIG_1);