Dell OptiPlex 7070 Tower Service Manual - Page 85
Table 21. Amber LED blinking failures continued, Table 22. States Under Host BIOS Control - motherboard
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Table 21. Amber LED blinking failures (continued) Amber LED state White LED state 2 2 System state Bad MB, PSU or cabling 2 3 Bad MBD, DIMMS, or CPU 2 4 Table 22. States Under Host BIOS Control Amber LED state White LED state 2 5 2 6 Bad coin cell System state BIOS state 1 BIOS state 2 2 7 BIOS state 3 3 1 BIOS state 4 3 2 BIOS state 5 3 3 BIOS state 6 3 4 BIOS state 7 3 5 BIOS state 8 3 6 BIOS state 9 3 7 BIOS state 10 Notes Bad MBD, PSU or PSU cabling - Rows B, C and D of table 12.4 SIO spec [40] Bad MBD, DIMMS or CPU Rows F and K from table 12.4 of SIO spec [40] Bad coin cell - Row M of table 12.4 in SIO spec [40] Notes BIOS Post code (Old LED pattern 0001) Corrupt BIOS. BIOS Post code (Old LED pattern 0010) CPU config or CPU failure. BIOS Post code (Old LED pattern 0011) MEM config in process. Appropriate mem modules detected but failure has occurred. BIOS Post code (Old LED pattern 0100) Combine PCI device config or failure with video sub sytem config or failure. BIOS to eliminate 0101 video code. BIOS Post code (Old LED pattern 0110) Combine storage and USB config or failure. BIOS to eliminate 0111 USB code. BIOS Post code (Old LED pattern 1000) MEM config, no memory detected. BIOS Post code (Old LED pattern 1001) Fatal Motherboard error. BIOS Post code (Old LED pattern 1010) Mem config, modules incompatible or invalid config. BIOS Post code (Old LED pattern 1011) combine "Other pre-video activity and resource configuration codes. BIOS to eliminate 1100 code. BIOS Post code (Old LED pattern 1110) Other pre-post activity, routine subsequent to video init. Troubleshooting 85