v Follow the suggested actions in the order in which they are listed in the Action column until the problemis solved.v See Chapter 3, “Parts listing, System x3400 Types 7973, 7974, 7975 and 7976,” on page 87 to determinewhich components are customer replaceable units (CRU) and which components are field replaceableunits (FRU).v If an action step is preceded by “(Trained service technician only),” that step must be performed only by atrained service technician.Error code Description Action166-198-000 BIOS cannot detect ASM. Reseat ASMadapter in correct slot; ASM restart failure.Unplug and cold boot server to reset ASM.1. Run the diagnostic test again.2. Correct other error conditions (including otherfailed systems-management tests and items thatare logged in the Remote Supervisor Adapter IISlimLine system-error log) and retry.3. Disconnect all server and option power cordsfrom the server, wait 30 seconds, reconnect thepower cords, and retry.4. Reseat the Remote Supervisor Adapter IISlimLine.5. Replace the components listed in step 4 one at atime, in the order shown, restarting the servereach time.166-201-000 ISMP indicates I2C errors on bus X. (Trained service technician only) Replace the systemboard.166-201-001 ISMP indicates I2C errors on bus P. 1. (Trained service technician only) Reseat thepower backplane.2. Replace the following components one at a time,in the order shown, restarting the server eachtime:a. (Trained service technician only) Powerbackplaneb. (Trained service technician only) Systemboard166-201-002 ISMP indicates I2C errors on bus I. (Trained service technician only) Replace the systemboard.166-201-003 ISMP indicates I2C errors on bus C. (Trained service technician only) Replace the systemboard.166-201-004 ISMP indicates I2C errors on bus M. 1. Reseat the DIMM.2. Replace the following components one at a time,in the order shown, restarting the server eachtime:a. DIMMb. (Trained service technician only) Systemboard166-201-005 ISMP indicates I2C errors on bus S. 1. Reseat the SAS/SATA hard disk drive backplanecables.2. Replace the following components one at a time,in the order shown, restarting the server eachtime:a. SAS/SATA hard disk drive backplaneb. System boardChapter 2. Diagnostics 65
