Intel SAI2 Product Specification - Page 59

SAI2 Server Board TPS Jumpers and Connectors 8. Insert the BIOS recovery floppy diskette into the diskette drive. 9. Reinstall the chassis panel, plug in the power cord(s), and power on the system. 10. The screen will remain blank while the BIOS recovery is performed. A number of beeps will occur during the BIOS update. The floppy drive access light will not turn off when the BIOS recovery is completed. Allow four minutes for the BIOS recovery to complete. If a POST card is installed in a PCI slot during the BIOS recovery, you can tell that the BIOS recovery is complete when code "EC" is displayed. When the BIOS recovery is complete, it is safe to power off the system. 11. Power off the system, unplug the power cord(s), and remove the chassis panel. 12. Remove the BIOS recovery jumper from pins 9-10 and store the jumper on pins 11-12. 13. Replace the chassis panel, plug in the power cord(s), and power on the system. 14. Perform a CMOS clear following the BIOS recovery. 4.3 Connectors This section provides pin information about the connectors on the SAI2 server board. 4.3.1 Main Power Connector (ATX1) Table 33. Main Power Connector Pinout Pin Signal 1 +3.3 VDC 2 +3.3 VDC 3 COM 4 +5 VDC 5 COM 6 +5 VDC 7 COM 8 PWR-OK 9 5 VSB 10 +12 VDC 11 +12 VDC 12 +3.3 VDC Wire color Pin Signal Orange 13 +3.3 VDC Orange 14 -12 VDC Black 15 COM Red 16 PS-ON_L Black 17 COM Red 18 COM Black 19 COM Grey 20 N.C. Purple 21 +5 VDC Yellow 22 +5 VDC Yellow 23 +5 VDC Orange 24 COM Wire Color Orange Blue Black Green Black Black Black N.C. Red Red Red Black 4.3.2 I2C Connector (J13) Table 34. I2C Connector Pinout Pin Signal 1 I2C Data 2 COM 3 I2C Clock 4 Reserved Revision 1.0 49