Lenovo ThinkCentre A52 Quick Reference Manual page 6

Power Supply and System board Diagnostic LEDs .
PC Doctor for DOS Diagnostics .
Error codes .
POST beep codes
Appendix A. IBM Lotus Software Offer
About IBM Lotus Notes .
About IBM Lotus SmartSuite
Customer Support .
International License Agreement .
Proof of Entitlement
Purchasing Upgrades, Additional Licenses, and Technical Support .
To order a CD
Appendix B. Lenovo Statement of Limited Warranty .
Part 1 - General Terms .
Part 2 - Country-unique Terms .
Part 3 - Warranty Information .
Guarantee supplement for Mexico .
Appendix C. Customer Replacement Units (CRUs) .
Appendix D. Notices .
Television output notice .
Trademarks .
Electronic emissions notices .
Federal Communications Commission (FCC) Declaration of Conformity
Industry Canada Class B emission compliance statement .
European Union EMC Directive conformance statement
Federal Communications Commission (FCC) and telephone company
requirements .
iv
Quick Reference
. . . . . .
. . . . .
. .
.
. . . .
. . . .
. . . . . .
. . .
. . .
. .
. . . . . .
.
. . . . .
. . . . . .
. . . . . .
. . . . . .
. . .
. . . . . .
. . . . . .
. . . . . .
. . . . .
. . . . . .
. . . . . .
. . . . . .
. . . . . .
. . . . . .
. . . . .
. . . . . .
. . . . . .
. . . . . .
. . . . . .
. . . . . .
. . . . .
. . . . . .
. . . . . .
. . . . . .
. . . . . .
. . . . . .
. . . . . .
. . . . . .
. . . . . .
. . . . . .
. . . . . .
. . . .
. . . . . .
. . . . . .
. . . . . .
. . . . . .
. . . .
. . . . . .
. . . . . .
. . . . . .
. . . . . .
. . .
. . . .
. . . . . .
. . . 25
. . . 25
. . . 27
. . . 29
. . . 31
. . . 31
. . . 31
. . . 31
. . . 32
. . . 32
. . . 32
. . . 32
. . . 35
. . . 35
. . . 39
. . . 52
. . . 64
. . . 67
. . . 69
. . . 70
. . . 70
. . . 71
71
. . . 72
. . . 72
. . . 72