POINTER_REG_W
outw(BASE + POINTER_REG_W, PTR_AUTOINC | 0x0000);
outw(BASE + POINTER_REG_W, PTR_AUTOINC | 0x0000);
outw(BASE + POINTER_REG_W, PTR_AUTOINC | PTR_READ | 0x0000);
outw(BASE + POINTER_REG_W, PTR_READ | PTR_RCV | PTR_AUTOINC | 0x0000);