Intel H2000JF System Service Guide - Page 80

Appendix C: LED Decoder Diagnostic LED Decoder 1 = On, 0=Off Checkpoint Upper Nibble Lower Nibble MSB LSB 8h 4h 2h 1h 8h 4h 2h 1h LED #7 #6 #5 #4 #3 #2 #1 #0 Description 0x51h 0 1 0 1 0 0 0 1 Allocating resources to PCI buses 0x52h 0 1 0 1 0 0 1 0 Hot Plug PCI controller initialization 0x53h 0 1 0 1 0 0 1 1 Reserved for PCI bus 0x54h 0 1 0 1 0 1 0 0 Reserved for PCI bus 0x55h 0x56h 0 1 0 1 0 1 0 1 Reserved for PCI bus USB 0 1 0 1 0 1 1 0 Initializing USB host controllers 0x57h 0 1 0 1 0 1 1 1 Detecting USB devices 0x58h 0 1 0 1 1 0 0 0 Resetting USB bus 0x59h 0x5Ah 0 1 0 1 1 0 0 1 Reserved for USB devices ATA/ATAPI/SATA 0 1 0 1 1 0 1 0 Resetting SATA bus and all devices 0x5Bh 0 1 0 1 1 0 1 1 Detecting the presence of ATA device 0x5Ch 0 1 0 1 1 1 0 0 Enable SMART if supported by ATA device 0x5Dh 0x5Eh 0 1 0 1 1 1 0 1 Reserved for ATA SMBus* 0 1 0 1 1 1 1 0 Resetting SMBus* 0x5Fh 0x61h 0x63h 0x70h 0 1 0 1 1 1 1 1 Reserved for SMBus* I/O Controller Hub 0 1 1 0 0 0 0 1 Initializing I/O Controller Hub Super I/O 0 1 1 0 0 0 1 1 Initializing Super I/O Local Console 0 1 1 1 0 0 0 0 Resetting the video controller (VGA) 0x71h 0 1 1 1 0 0 0 1 Disabling the video controller (VGA) 0x72h 0 1 1 1 0 0 1 0 Enabling the video controller (VGA) 0x73h 0x78h 0 1 1 1 0 0 1 1 Reserved for video controller (VGA) Remote Console 0 1 1 1 1 0 0 0 Resetting the console controller 0x79h 0 1 1 1 1 0 0 1 Disabling the console controller 0x7Ah 0 1 1 1 1 0 1 0 Enabling the console controller 0x7Bh 0 1 1 1 1 0 1 1 Reserved for console controller 0x90h Keyboard (only USB) 1 0 0 1 0 0 0 0 Resetting the keyboard 0x91h 1 0 0 1 0 0 0 1 Disabling the keyboard 0x92h 1 0 0 1 0 0 1 0 Detecting the presence of the keyboard 0x93h 1 0 0 1 0 0 1 1 Enabling the keyboard 0x94h 1 0 0 1 0 1 0 0 Clearing keyboard input buffer 0x96h 1 0 0 1 0 1 1 0 Reserved for keyboard 0x98h Mouse (only USB) 1 0 0 1 0 0 1 0 Resetting the mouse Intel® Server System H2000JF Family Service Guide 67