IBM 621858U Installation Guide - Page 49

Table 2. POST error messages (continued) v Follow the suggested actions in the order in which they are listed in the Action column until the problem is solved. v See the part listing in the Problem Determination and Service Guide to determine which components are customer replaceable units (CRU) and which components are field replaceable units (FRU). v If an action step is preceded by "(Trained service technician only)," that step must be performed only by a trained service technician. Error codes Description Action 1803 A PCI adapter has requested memory above 1. If the error code indicates a particular 1 MB. PCI or PCI-Express slot or device, remove the device. 2. Reseat each adapter. Note: If an error LED is lit on an adapter, reseat that adapter first; if no LEDs are lit, reseat each adapter one at a time, restarting the computer each time, to isolate the failing adapter. 3. Replace the following components one at a time, in the order shown, restarting the computer each time: a. Failing adapter b. (Trained service technician only) System board 1804 A PCI adapter has requested memory below 1 MB. 1. If the error code indicates a particular PCI or PCI-Express slot or device, remove the device. 2. Reseat each adapter. Note: If an error LED is lit on an adapter, reseat that adapter first; if no LEDs are lit, reseat each adapter one at a time, restarting the computer each time, to isolate the failing adapter. 3. Replace the following components one at a time, in the order shown, restarting the computer each time: a. Failing adapter b. (Trained service technician only) System board 1805 A PCI option ROM checksum error occurred. 1. Remove the failing adapter. 2. Reseat each adapter. Note: If an error LED is lit on an adapter, reseat that adapter first; if no LEDs are lit, reseat each adapter one at a time, restarting the computer each time, to isolate the failing adapter. 3. Replace the following components one at a time, in the order shown, restarting the computer each time: a. Failing adapter b. (Trained service technician only) System board Chapter 5. Solving problems 37