Error Message | Explanation |
Gate A20 Error | Gate A20 on the keyboard controller is not |
| working. Call for service. |
|
|
Invalid Boot Diskette | The BIOS can read the disk in floppy drive A, |
| but cannot boot the system. Use another boot |
| disk. |
|
|
Keyboard Controller Error | The keyboard controller has failed during |
| POST. |
|
|
Keyboard is Locked ... | Some systems have an electronic key that |
Please Unlock It | enables the user to lock the keyboard. |
Keyboard Stuck Key Detected | There is a key pressed down. |
Master DMA Controller Error | Error in the master DMA channel. |
Master Interrupt Controller Error | Master Interrupt Controller failed during |
| POST. |
|
|
Memory Size Decreased | The amount of memory on the Clean Screen is |
| less than the amount in CMOS RAM. |
| Run Setup. |
Off Board Parity Error | Parity error in memory installed in an expan- |
| sion slot. The format is: |
| OFF BOARD PARITY ERROR ADDR |
| (HEX) = (XXXX) |
| XXXX is the hex address where the error |
| occurred. |
Slave DMA Controller Error | Error in the slave DMA channel. |
Slave Interrupt Controller | Slave Interrupt Controller failed during POST. |
System Memory Size Mismatch | The amount of memory on the Clean Screen is |
| different than the amount in CMOS RAM. |
| Run Setup. |
|
|
Timer Channel 2 Error | Most systems include two timers. There is an |
| error in timer 2. |
44Planar Clean Screen PC User’s Manual
