Lenovo ThinkPad T21 T20, T21, T22, T23 - Hardware Maintenance Manual (April 20 - Page 56
Enter IBM BIOS Setup, Clear IBM Security Chip - hard drive removal
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Symptom-to-FRU index Symptom or error FRU or action, in sequence 0193 Enter the supervisor RF antenna has been removed password. 0194 Enter the supervisor The computer has been carried password. through a security gate 0195 Security hardware tamper detected 1. Enter IBM BIOS Setup Utility by entering supervisor password, and select "Password" --> "IBM Security Chip" --> "Clear IBM Security Chip" to clear this error. 2. Security chip. 3. System board. 0196 Security hardware removed 1. Enter IBM BIOS Setup Utility by entering supervisor password, and select "Password" --> "IBM Security Chip" --> "Clear IBM Security Chip" to clear this error. 2. Security chip. 3. System board. 0197 Invalid remote change requested The remote configuration for the security chip has failed. Confirm the operation and try again. 01C9 1. Remove the Ethernet More than one Ethernet devices are found. Remove one of them. Press to continue. device that you installed; or press Esc to ignore the warning message. 2. System board. 0200 Hard disk error-The hard disk is not working. 1. Reseat the hard-disk drive. 2. Load Setup Defaults in IBM BIOS Setup Utility. 3. Hard-disk drive. 4. System board. 021x Keyboard error Run interactive tests of the keyboard and the auxiliary input device. 0220 Monitor type error-Monitor type does not match the one specified in CMOS. Load Setup Defaults in IBM BIOS Setup Utility. 0230 Shadow RAM error-Shadow RAM fails at offset nnnn. System board. 0231 System RAM error-System RAM fails at offset nnnn. 1. DIMM. 2. System board. 50 ThinkPad T20, T21, T22, T23 (MT 2647/2648)