- /* Disable all global enable SMIs. */
- outw(0x0, VT8237R_ACPI_IO_BASE + 0x2a);
-
- /* All SMI off, both IDE buses ON, PSON rising edge. */
- outw(0x0, VT8237R_ACPI_IO_BASE + 0x2c);
+ /* Disable all global enable SMIs, except SW SMI */
+ outw(0x40, VT8237R_ACPI_IO_BASE + 0x2a);