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Ultra 440BX ATX Mainboard
INSTALLATION
3-6
(F) CN6: USB Port 1 (Universal Serial Bus) Connector
(G) CN7: USB Port 2 (Universal Serial Bus) Connector
CN6 USB 1
CN7 USB 2
DIMM3
BIOS
DIMM2
DIMM1
+
Pin assignment of USB connector:
1
2
3
4
5
6
1
2
3
4
5
6
USB 1
USB 2
(H) CN8: Floppy Disk Control Port Connector (Use IRQ6, DMA channel 2)
DIMM3
BIOS
DIMM2
DIMM1
+
CN8: FDC Connector
Pin1: +5VDC
Pin2: DATA-
Pin3: DATA+
Pin4: Ground
Pin5: Ground
Pin6: Ground