BANK_SELECT_REG_W
bank = inw(ioaddr + BANK_SELECT_REG_W);
outw(ioaddr + BANK_SELECT_REG_W, 0x0000);
bank = inw(ioaddr + BANK_SELECT_REG_W);
outw(ioaddr + BANK_SELECT_REG_W, 0x0001);
outw(ioaddr + BANK_SELECT_REG_W, 0x3);
#define SMC_SELECT_BANK(x) { outw( BASE + BANK_SELECT_REG_W, (x) ); }