Message  Description 
02F5: DMA Test Failed  
ServerBIOS2 test error: Cannot write to extended Direct Memory Access (DMA) registers. 
02F6: Software NMI Failed  
ServerBIOS2 test error: Cannot generate software Non-Maskable Interrupt (NMI). 
02F7: Fail-Safe Timer NMI Failed  
ServerBIOS2 test error: Fail-safe timer takes too long.  
device Address Conflict  
Address conflict for the specified device. 
Allocation Error for: device 
Run ISA or EISA Configuration Utility to resolve a resource conflict for the specified device.  
CD ROM Drive  
CD-ROM drive identified. 
Entering SETUP ...  
Starting BIOS Setup. 
Failing Bits: nnnn 
Hex number nnnn is a map of the bits at the RAM address that failed the memory test. Each 1 
(one) in the map indicates a failed bit. See errors 230, 231, or 232 above for offset address of 
the failure in System, Extended, or Shadow memory. 
Fixed Disk n 
Fixed disk n (0–3) identified. 
Invalid System Configuration Data  
Problem with NVRAM (CMOS) data. 
I/O device IRQ conflict  
I/O device IRQ conflict error. 
PS/2 Mouse Boot Summary Screen: 
PS/2 mouse installed. 
nnnn kB Extended RAM Passed 
Where nnnn is the amount of RAM in kB successfully tested. 
nnnn Cache SRAM Passed  
Where nnnn is the amount of system cache in kB successfully tested. 
nnnn kB Shadow RAM Passed  
Where nnnn is the amount of shadow RAM in kB successfully tested. 
nnnn kB System RAM Passed  
Where nnnn is the amount of system RAM in kB successfully tested. 
Operating system not found  
Operating system cannot be located on drive A: or drive C:. Enter BIOS Setup and see if the 
hard disk and drive A: are properly identified. 
Parity Check 1 nnnn 
Parity error found in the system bus. BIOS attempts to locate the address and display it on the 
screen. Parity is a method for checking errors in binary data. A parity error indicates that data 
has been corrupted.  
Parity Check 2 nnnn 
Parity error found in the I/O bus. BIOS attempts to locate the address and display it on the 
screen. 
Press <F1> to resume, <F2> to Setup, <F3> for previous  
Displayed after any recoverable error message. Press <F1> to start the boot process or <F2> 
to enter BIOS Setup and change the settings. Press <F3> to display the previous screen 
(usually an initialization error of an Option ROM, such as an add-on card). Write down and 
follow the information shown on the screen.  
Press <F2> to enter Setup  
Optional message displayed during POST. 
PS/2 Mouse: 
PS/2 mouse identified.  
System BIOS shadowed  
System BIOS copied to shadow RAM. 
UMB upper limit segment address: nnnn 
Displays the address nnnn of the upper limit of Upper Memory Blocks (UMB), indicating 
released segments of the BIOS that can be reclaimed by a virtual memory manager. 
Video BIOS shadowed  
Video BIOS copied to shadow RAM. 
3-24  Troubleshooting and Diagnostics  Service Manual