HP Workstation x2000 hp workstation x2000 - Technical Reference and Troublesho - Page 107

Tests and Error Messages Order in Which POSTs Occur Table 4-1 Checkpoint Code 02h 03h 04h 06h 08h 09h 0Ah 0Bh 0Ch 0Eh 0Fh 10h 11h 12h 13h 14h 16h 17h 18h 1Ah 1Ch 20h 22h POST Checkpoint Codes POST Routine Description Verify real mode Disable Non-Maskable Interrupt (NMI) Get CPU type Initialize system hardware Initialize chipset with initial POST values Set IN POST flag Initialize CPU registers Enable CPU cache Initialize caches to initial POST values Initialize I/O component Initialize the local bus IDE Initialize power management Load alternate registers with initial POST values Restore CPU control word during warm boot Initialize PCI bus mastering devices Initialize keyboard controller BIOS ROM checksum Initialize cache before memory autosize 8254 timer initialization 8237 DMA controller initialization Reset programmable interrupt controller Test DRAM refresh Test 8742 keyboard controller MaxiLife LCD Display Message POST Start CPU Regist. Init I/O Init. IDE Init. PCI Mast. Init. BIOS Check sum RAM Refresh Test Keyb. Ctrl. Test Beep Codes Chapter 4 107