During POST, a read/write test is performed to verify access to the Security EEPROM. This error message 
indicates that the Security EEPROM may be corrupted or removed.
To clear this error from the list of POST events, go to Setup Utility and select Save Changes and Exit.
0197 - System Security - Unauthorized security data change detected
There is unauthorized security data change.
During POST, the hash of current security data is computed and compared with the one kept in security 
EEPROM. If they are not the same, this error will be displayed.
To clear this error from the list of POST events, go to Setup Utility and select Save Changes and Exit.
0190 - System Security - Invalid security change requested
An invalid request of security change is received.
During POST, CRC of the data stored in security EEPROM block 7 is computed and compared with the one 
kept in the block 7. If they do not match, this error will be displayed.
To clear this error from the list of POST events, go to Setup Utility and select Save Changes and Exit.
0199 - System Security - Security password retry count exceeded on last boot
Wrong passwords are inputted for more than the number of times that is allowed.
When Security Password Count Exceeded Error is enabled, this error will be displayed after wrong 
passwords are inputted over maximal number of times. Select F2 to resume and input the correct password.
To clear this error from the list of POST events, go to Setup Utility and select Save Changes and Exit.
8997 - System firmware has detected the system configuration may exceed the 
power supply capacity
The required amount of power of the present system configuration is more than the power supply could 
afford.
This error will be displayed when the system algorithm determines that present power consumption exceeds 
the capacity of the installed power supply unit. This error message is supposed to be displayed for at least 
five seconds and follow by another boot.
8998 - No enough shadow RAM resources for option ROM
Not enough shadow RAM resources for option ROM. Not all devices are initialized. Please remove some 
add-on cards or change to UEFI mode in BIOS Setup Utility.
This error message indicates some devices are not properly initiated. Remove them or change the settings in 
Setup Utility. It will be displayed for at least five seconds with four one-second beeps before the next boot. 
8999 - No enough PCIe/PCI MMIO resources
Not enough PCIe/PCI MMIO resources. Currently only one video card is enabled. Please remove some PCIe 
cards, or enter BIOS Setup Utility and enable “Above 4GB Decode” if using a 64-bit OS.
This error will be displayed when there is no enough PCIe/PCI MMIO resources following a reboot and with 
the attempt to initialize the primary video device to display this error message. This error will be displayed for 
at least five seconds with four one-second beeps before the next boot. Remove some PCIe adapters in 
Setup Utility to solve this error.
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ThinkSystem ST50 V2 Maintenance Manual