Board Layout - Graphic - 45.4 Kb
Jumper connections - Graphic - 49.3 Kb
Cpu Type and clock Selection B 810 - Graphic - 114 Kb
Cpu Type and clock Selection B 815 - Graphic - 106 Kb
ADDITIONAL JUMPER SETTINGS INFORMATION - IMPORTANT!!
JP21 and JP22 (CPU type)
selection:
| short PIN 2,3 on both jumpers: | select 386 PQFP CPU (B81 1) |
| OR | |
| select 386/486DLC PGA CPU (B815) | |
| short PIN1,2 on both jumpers: | select 486 PGA CPU, M6/M7 PGA CPU (B81 0/B81 5) |
JP1 7 (486 CPU clock buffer)
selection:
| short PIN1,2: | select one stage buffer of 486 CPU clock |
| short PIN2,3: | select two stage buffer of 486 CPU clock. |
JP18 (386/486DLC CPU clock
buffer) selection:
| short PIN1,2: | select one stage buffer of 386/486 DLC CPU clock. |
| short PIN2,3: | select two stage buffer of 386/486 DLC CPU clock. |
Page updated 98/07/14
