... zero." ,0x11 DMA channel 1, "test." ,0x12, "testing the DMA page registers." ,0x13, "test 8741 keyboard controller interface." ,0x14, ... memory by head a64k." ,0x16, "to establish the interrupt vector used 8259 watch." ,The firm, "0x17 video input/output work." ,0x18 ... test 8259 interrupt function." ,0x23, "test protection way, the virtual way and page way." ,0x24, "more than 1Mb expanded memory test." ...