Service Guide
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... 8603: CMOS Checksum Bad CMOS contents failed the Checksum check. This error can typically be resolved by the BIOS. 14 ThinkPad® SL300, SL400, and SL500 Service and Troubleshooting Guide This may indicate a problem with keyboard controller initialization. 8701: Keyboard Error Keyboard is ... during the BIOS POST. This may occur for both Supervisor and User password verification. 8709: Unknown BIOS error. This message is displayed when a non-bootable USB device is required to continue the BIOS POST. 8706: System Halted The system has been halted. Message...
... 8603: CMOS Checksum Bad CMOS contents failed the Checksum check. This error can typically be resolved by the BIOS. 14 ThinkPad® SL300, SL400, and SL500 Service and Troubleshooting Guide This may indicate a problem with keyboard controller initialization. 8701: Keyboard Error Keyboard is ... during the BIOS POST. This may occur for both Supervisor and User password verification. 8709: Unknown BIOS error. This message is displayed when a non-bootable USB device is required to continue the BIOS POST. 8706: System Halted The system has been halted. Message...