Screen message Probable cause Recommended action
214—DIMM Configuration
Warning
DIMMs not installed correctly (not
paired correctly).
See the illustration on the side access panel for the
correct memory configurations and reseat the DIMMs
accordingly.
215—Memory Mismatch
Warning
There are one or more mismatched
pairs of DIMMs between channel A and
channel B. Some memory has been
disabled. Install matching pairs or
remove the mismatched DIMMs from
channel B.
See the illustration on the side access panel for the
correct memory configurations and reseat the DIMMs
accordingly.
216—Memory Size Exceeds
Maximum Supported
The amount of memory installed
exceeds that supported by the
hardware.
1. Verify how much memory your system can
support.
2. Remove the excessive memory.
219—ECC Memory Module
Detected.
ECC modules not supported on this
platform.
Remove the ECC module.
301—Keyboard Error Keyboard failure. 1. Reconnect the keyboard with workstation
powered off.
2. Check the connector for bent or missing pins.
3. Be sure that none of the keys are pressed.
4. Replace the keyboard.
303—Keyboard Controller
Error
I/O board keyboard controller. 1. Reconnect keyboard with workstation turned off.
2. Replace the system board.
304—Keyboard or System
Unit Error
Keyboard failure. 1. Reconnect the keyboard with workstation turned
off.
2. Be sure that none of the keys are pressed.
3. Replace keyboard.
4. Replace system board.
401—Parallel Port 1 Address
Assignment Conflict
IRQ address conflicts with another
device.
Reset the IRQ.
402—Parallel Port 2 Address
Assignment Conflict
IRQ address conflicts with another
device.
Reset the IRQ.
403—Parallel Port 3 Address
Assignment Conflict
IRQ address conflicts with another
device.
Reset the IRQ.
404—Parallel Port Address
Conflict Detected
Both external and internal ports are
assigned to parallel port X.
1. Remove any parallel expansion cards.
2. Clear CMOS.
3. Reconfigure card resources and run Computer
Setup (F10 Setup).
410—Audio Interrupt Conflict IRQ address conflicts with another
device.
Reset the IRQ.
411—Network Interface Card
Interrupt Conflict
IRQ address conflicts with another
device.
Reset the IRQ.
Table 5-18 POST error messages (continued)
136 Chapter 5 System diagnostics and troubleshooting ENWW