Screen message Probable cause Recommended action
216—Memory Size Exceeds
Maximum Supported
The amount of memory installed
exceeds that supported by the
hardware.
1. Verify how much memory your system supports.
2. Remove the excess 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 the 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.
411—Network Interface Card
Interrupt Conflict
IRQ address conflicts with another
device.
Reset the IRQ.
501—Display Adapter Failure Graphics display controller. 1. Reseat the graphics card (if applicable).
2. Clear CMOS.
3. Verify that the monitor is attached and turned on.
510—Splash Screen image
corrupted
Splash Screen image has errors. To restore the image, install the latest SoftPaq.
511—CPU, CPUA, or CPUB
Fan not detected
Fan is not connected, or might have
malfunctioned.
1. Reseat the fan cable.
2. Reseat the fan.
3. Replace the fan.
512—Chassis, rear chassis, or
front chassis fan not detected
Fan is not connected, might have
malfunctioned.
1. Reseat the chassis, rear chassis, or front chassis
fan cable.
2. Reseat the chassis, rear chassis, or front
chassis fan.
3. Replace the chassis, rear chassis, or front
chassis fan.
514—CPU or Chassis Fan not
detected
Processor fan is not connected or
might have malfunctioned.
1. Reseat the processor or chassis fan.
2. Replace the processor or chassis fan.
601—Diskette Controller Error Diskette controller circuitry or diskette
drive circuitry incorrect.
1. Run the Computer Setup (F10) utiltiy.
2. Verify and replace cables.
3. Clear CMOS.
Table 5-18 POST error messages (continued)
ENWW POST error messages 137