164 Solving Problems
Table 16. Port-80 Codes (continued)
POST Code Beeps Error
35 RAMInitialize alternate chip set registers
36 Warm start shut down
37 Reinitialize the chip set (MB only)
38 Shadow system BIOS ROM
39 Reinitialize the cache (MB only)
3A Autosize cache
3C Configure advanced chip set registers
3D Load alternate registers with CMOS values new
40 Set Initial processor speed new
42 Initialize interrupt vectors
44 Initialize BIOS interrupts
45 Initialize run-time devices
46 Check ROM copyright notice
47 Initialize manager for PCI Option ROMs
48 Check video configuration against CMOS
49 Initialize PCI bus and devices
4A Initialize all video adapters in system
4B Display QuietBoot screen
4C Shadow video BIOS ROM
4E Display copyright notice
50 Display processor type and speed
52 Test keyboard
54 Set key click if enabled
56 Enable keyboard
58 2-2-3-1 Test for unexpected interrupts
59 Initialize POST Display Service
5A Display prompt "Press F2 to enter SETUP"
5B Disable cache
5C Test RAM between 512 and 640k
60 Test extended memory
62 Test extended memory address lines
64 Jump to UserPatch1
66 Configure advanced cache registers
67 Initialize processors
68 Enable external and processor caches
69 Setup power management
6A Display external cache size
continued