Manual
Page 8
...limitation, the PCIEX1 slot can only accommodate a shorter PCI Express x1 expansion card. GA-P55-UD3L-TPM/GA-P55-UD3L/GA-P55-US3L Motherboard Layout KB_USB ATX_12V GA-P55-UD3L-TPM/ GA-P55-UD3L / GA-P55-US3L PHASE LED LGA1156 PWR_FAN COAXIAL COMA LPT R_USB ATX USB_LAN AUDIO F_AUDIO SYS_FAN1 PCIEX1 (... PCI2 PCI3 PCI4 SYS_FAN2 Intel® P55 SATA2_0 SATA2_1 SATA2_2 SATA2_5 SATA2_4SATA2_3 IDE IT8720 B_BIOS M_BIOS FDD PCIEX4 F_USB3 F_USB2 F_USB1 GSATA2_0 CLR_CMOS GIGABYTE SATA2 GSATA2_1 F_PANEL "*" j (Note) The GA-P55-UD3L-TPM/GA-P55-UD3L adopts All-Solid Capacitor design.
...limitation, the PCIEX1 slot can only accommodate a shorter PCI Express x1 expansion card. GA-P55-UD3L-TPM/GA-P55-UD3L/GA-P55-US3L Motherboard Layout KB_USB ATX_12V GA-P55-UD3L-TPM/ GA-P55-UD3L / GA-P55-US3L PHASE LED LGA1156 PWR_FAN COAXIAL COMA LPT R_USB ATX USB_LAN AUDIO F_AUDIO SYS_FAN1 PCIEX1 (... PCI2 PCI3 PCI4 SYS_FAN2 Intel® P55 SATA2_0 SATA2_1 SATA2_2 SATA2_5 SATA2_4SATA2_3 IDE IT8720 B_BIOS M_BIOS FDD PCIEX4 F_USB3 F_USB2 F_USB1 GSATA2_0 CLR_CMOS GIGABYTE SATA2 GSATA2_1 F_PANEL "*" j (Note) The GA-P55-UD3L-TPM/GA-P55-UD3L adopts All-Solid Capacitor design.