Intel SR1625UR Service Guide - Page 133
O=On; X=Off, Keyboard USB only
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Table 9. Diagnostic LED POST Code Decoder Diagnostic LED Decoder O=On; X=Off Checkpoint Upper Nibble MSB Lower Nibble LSB Description 8h 4h 2h 1h 8h 4h 2h 1h LED #7 #6 #5 #4 #3 #2 #1 #0 ATA/ATAPI/SATA 0x5Ah 0x5Bh X O X O O X OX X O X O O X OO SMBUS 0x5Ch 0x5Dh X O X O O OX X X O X O O OX O Local Console 0x70h 0x71h 0x72h X O O O X XXX X O O O X XXO X O O O X X OX Remote Console 0x78h 0x79h 0x7Ah X O O O O XXX X O O O O XXO X O O O O X OX Keyboard (USB only) 0x90h 0x91h 0x92h 0x93h 0x94h 0x95h O X X O X XXX O X X O X XXO O X X O X X OX O X X O X X OO O X X O X OX X O X X O X OX O Mouse (USB only) Resetting SATA bus and all devices Reserved for ATA Resetting SMBUS Reserved for SMBUS Resetting the video controller (VGA) Disabling the video controller (VGA) Enabling the video controller (VGA) Resetting the console controller Disabling the console controller Enabling the console controller Resetting the keyboard Disabling the keyboard Detecting the presence of the keyboard Enabling the keyboard Clearing keyboard input buffer Instructing keyboard controller to run Self Test (PS2 only) Intel® Server System SR1625UR Service Guide 115