Manual
Page 7
GA-Z68X-UD3-B3 Motherboard Layout KB_MS_USB R_SPDIF USB_1394 SYS_FAN1 ATX_12V_2X4 LGA1155 CPU_FAN PHASE LED R_USB R_USB30 USB_LAN AUDIO Etron EJ168 PWR_FAN ATX PCIEX1_1 B_BIOS Realtek RTL8111E CODEC VIA VT6308 PCIEX16 PCIEX1_2 PCIEX1_3 PCIEX8 PCI1 PCI2 DDR3_4 DDR3_2 DDR3_3 DDR3_1 GA-Z68X-UD3-B3 M_BIOS Marvell GSATA3_7 88SE9172 GSATA3_6 SATA3_1 Intel® Z68 SATA3_0 BAT SATA2_3 SATA2_2 SATA2_5 SATA2_4 PCIe to PCI Bridge Etron EJ168 iTE IT8728 SYS_FAN2 F_AUDIO CLR_CMOS F_1394 COMA F_USB3 F_USB2 F_USB1 F_USB30 TPM F_PANEL SPDIF_O - 7 -
GA-Z68X-UD3-B3 Motherboard Layout KB_MS_USB R_SPDIF USB_1394 SYS_FAN1 ATX_12V_2X4 LGA1155 CPU_FAN PHASE LED R_USB R_USB30 USB_LAN AUDIO Etron EJ168 PWR_FAN ATX PCIEX1_1 B_BIOS Realtek RTL8111E CODEC VIA VT6308 PCIEX16 PCIEX1_2 PCIEX1_3 PCIEX8 PCI1 PCI2 DDR3_4 DDR3_2 DDR3_3 DDR3_1 GA-Z68X-UD3-B3 M_BIOS Marvell GSATA3_7 88SE9172 GSATA3_6 SATA3_1 Intel® Z68 SATA3_0 BAT SATA2_3 SATA2_2 SATA2_5 SATA2_4 PCIe to PCI Bridge Etron EJ168 iTE IT8728 SYS_FAN2 F_AUDIO CLR_CMOS F_1394 COMA F_USB3 F_USB2 F_USB1 F_USB30 TPM F_PANEL SPDIF_O - 7 -
Manual
Page 8
GA-Z68X-UD3-B3 Motherboard Block Diagram PCIe CLK (100 MHz) 1 PCI Express x16 or 2 PCI Express x8 LGA1155 CPU CPU CLK+/- (100 MHz) DDR3 2133/1866/1600/1333/1066 MHz Dual Channel Memory x16 x8 Switch DMI Interface PCI Express Bus 2 SATA 6Gb/s ... RJ45 Marvell Realtek 88SE9172 RTL8111E PCI Express Bus x1 x1 PCIe CLK (100 MHz) x1 x1 x1 x1 3 PCI Express x1 PCIe to PCI Bridge Intel® Z68 PCI Bus VIA VT6308 CODEC 2 IEEE 1394a 2 USB 3.0/2.0 2 USB 3.0/2.0 Etron EJ168 Etron EJ168 x1 x1 PCI Express Bus Dual BIOS 4 SATA 3Gb/s 2 SATA 6Gb...
GA-Z68X-UD3-B3 Motherboard Block Diagram PCIe CLK (100 MHz) 1 PCI Express x16 or 2 PCI Express x8 LGA1155 CPU CPU CLK+/- (100 MHz) DDR3 2133/1866/1600/1333/1066 MHz Dual Channel Memory x16 x8 Switch DMI Interface PCI Express Bus 2 SATA 6Gb/s ... RJ45 Marvell Realtek 88SE9172 RTL8111E PCI Express Bus x1 x1 PCIe CLK (100 MHz) x1 x1 x1 x1 3 PCI Express x1 PCIe to PCI Bridge Intel® Z68 PCI Bus VIA VT6308 CODEC 2 IEEE 1394a 2 USB 3.0/2.0 2 USB 3.0/2.0 Etron EJ168 Etron EJ168 x1 x1 PCI Express Bus Dual BIOS 4 SATA 3Gb/s 2 SATA 6Gb...
Manual
Page 10
... PCIEX16 slot. 1 x PCI Express x16 slot, running at x8 (PCIEX8) * The PCIEX8 slot shares bandwidth with CPU Chipset Intel® Z68 Express Chipset Memory Audio 4 x 1.5V DDR3 DIMM sockets supporting up to 32 GB of system memory * Due to Windows 32-bit operating system...138; 2 x PCI slots Support for ATI CrossFireX™ / NVIDIA SLI technology * The PCIEX16 slot operates at up to install it in the LGA1155 package (Go to GIGABYTE's website for the latest CPU support list.) L3 cache varies with the PCIEX16 slot.
... PCIEX16 slot. 1 x PCI Express x16 slot, running at x8 (PCIEX8) * The PCIEX8 slot shares bandwidth with CPU Chipset Intel® Z68 Express Chipset Memory Audio 4 x 1.5V DDR3 DIMM sockets supporting up to 32 GB of system memory * Due to Windows 32-bit operating system...138; 2 x PCI slots Support for ATI CrossFireX™ / NVIDIA SLI technology * The PCIEX16 slot operates at up to install it in the LGA1155 package (Go to GIGABYTE's website for the latest CPU support list.) L3 cache varies with the PCIEX16 slot.