EVGA 132-YW-E179-TR User Guide - Page 81
Initialize APIC and set MTRR
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Code 41 42 43 Name Mask Reserved Reserved Test Stuck Interrupt 44 Reserved 45 Reinit serial port 46 Reserved 47 EISA Test 48 Reserved 49 Size Memory 4A Reserved 4B Reserved 4C Reserved 4D Reserved 4E Init APIC 4F Reserved 50 USB init 51 Reserved 52 Memory Test 53 Reserved 54 Reserved 55 CPU display 56 Reserved 57 PnP Init Display Award POST Codes Description alternately turning off and on the interrupt lines. Turn off interrupts then verify no 8259's interrupt mask register is on. Test 8259 Force an interrupt and verify the interrupt occurred. Reinitialize Preboot agent serial port If EISA non-volatile memory checksum is good, execute EISA initialization. If not, execute ISA tests and clear EISA mode flag. Size base memory from 256K to 640K and extended memory above 1MB. Initialize APIC and set MTRR Initialize USB controller Test all memory of memory above 1MB using Virtual 8086 mode, page mode and clear the memory Detect CPU speed and display CPU vendor specific version string and turn on all necessary CPU features PnP logo and PnP early init