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Re: CB030, A 68030 SBC for hobbyists [message #7277 is a reply to message #7272] Tue, 17 March 2020 15:13 Go to previous messageGo to previous message
mikemac is currently offline  mikemac
Messages: 250
Registered: March 2017
Senior Member
I've tried two different 5V2A wall warts and they both continue to have issues using the 64MB SIMM.

Could it be a DRAM refresh issue?

I'm wondering because I keep seeing things like this:


T030 ROM BIOS v2.11 (c) 2018 Tobias Rathje                                      
CB030 version ported by Mike McDonald 2020                                      
------------------------------------------                                      
                                                                                
Build: Mar 16 2020 21:24:09                                                     
                                                                                
#> 1                                                                            
 [ Load Linux image into RAM ]                                                  
                                                                                
0%_________________________________________100%                                 
###################f_read error: 9                                              
                                                                                
                                                                                
1093632 bytes read                                                              
f_close error: 9                                                                
 [ Sparting Linux ]                                                             


"Sparting Linux"?? That's a 't' (0x74) changing into to a 'p' (0x70). That's a single bit flipping.



Mike
 
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