User manual

103 AIMB-203 User Manual
Appendix A I/O Pin Assignments
A.29 SPI BIOS Flash Socket (SPI1)
B55 TX9- A55 GND
B56 GND A56 RX9+
B57 GND A57 RX9-
B58 TX10+ A58 GND
B59 TX10- A59 GND
B60 GND A60 RX10+
B61 GND A61 RX10-
B62 TX11+ A62 GND
B63 TX11- A63 GND
B64 GND A64 RX11+
B65 GND A65 RX11-
B66 TX12+ A66 GND
B67 TX12- A67 GND
B68 GND A68 RX12+
B69 GND A69 RX12-
B70 TX13+ A70 GND
B71 TX13- A71 GND
B72 GND A72 RX13+
B73 GND A73 RX13-
B74 TX14+ A74 GND
B75 TX14- A75 GND
B76 GND A76 RX14+
B77 GND A77 RX14-
B78 TX15+ A78 GND
B79 TX15- A79 GND
B80 GND A80 RX15+
B81 Reserved A81 RX15-
B82 Reserved A82 GND
Pin Signal Pin Signal
1CS# 5MOSI
2MISO 6SCK
3 WP# / IO2 7 HOLD# / IO3
4 GND 8 +3.3V