Gigabyte GA-MA790X-UD3P Manual - Page 8

Block Diagram 1 PCIe x16 (Note 1) 2 PCIe x8 (Note 1) PCIe CLK (100 MHz) or AM3/AM2+/AM2 CPU CPU CLK+/-(200 MHz) DDR2 1333(O.C.)/1066(Note 2)/800 MHz Hyper Transport 3.0 Dual Channel Memory Switch PCI Express Bus PCI Express Bus x1 x1 x1 x1 PCIe CLK (100 MHz) 3 PCI Express x1 RJ45 RTL8111C LAN 2 SATA 3Gb/s PCI Bus GIGABYTE SATA2 TSB43AB23 AMD 790X AMD SB750 Dual BIOS 6 SATA 3Gb/s ATA-133/100/66/33 IDE Channel 12 USB Ports CODEC LPC BUS IT8720 Floppy COM Port PS/2 KB/Mouse 3 IEEE 1394a Surround Speaker Out Center/Subwoofer Speaker Out Side Speaker Out MIC Line Out Line In S/PDIF In S/PDIF Out 2 PCI (Note 1) (Note 2) For optimum performance, if only one PCI Express graphics card is to be installed, be sure to install it in the PCIEX16_1 slot. The PCIEX8_1 slot shares bandwidth with the PCIEX16_1 slot. When PCIEX8_1 is populated with a PCI Express graphics card, the PCIEX16_1 slot will operate at up to x8 mode. Whether 1066 MHz or above memory speed is supported depends on the CPU being used. - 8 -