LaCie 12big Rack Storage ServerUser Manual page 12System OverviewThe connectors are shown in Fig. 10.Fig. 10 - ATX Server I/O Components2.4.2. PCI Express SlotsThe motherboard has seven PCI Express slots, as detailed in Table02.Table 02 - PCI Express SlotsSlot Number Color Type Connector1 Blue Gen2 x8 x82 White3 Blue4 Black Gen2 x4 x8567 White Gen1 x4 x8NOTE: 2 PCIe slots are used for HW RAID controller and additionaldual gigabit Ethernet card.2.4.3. Memory SlotsThe 12big Rack Storage Server supports up to 96GB of DDR3 mem-ory. There are 12 memory slots, 6 per CPU, divided into 3 channelsof up to 2 modules each.The motherboard takes DDR3, 1.5V typical, ECC, registered or un-buffered, x4 or x8 memory with up to 4 ranks per module. Themaximum module size is 8GB.2.4.4. TPM (Trusted Platform Module)The motherboard has one TPM 1.2 header for connection of aTrusted Platform Module. This can be used to store cryptographickeys, digital certificates and passwords.2.4.5. ATX Server LEDs2.4.5.1. Server Status LEDsThe ATX Server I/O panel, shown in Figure 2–5, contains diagnosticLEDs to help you identify failed and failing components and to helpyou identify the server from among several servers. Section 4.4.6.1.Server Status LEDs summarizes the LED states.2.4.5.2. Network Port LEDsThe network port LEDs provide the information shown in 4.4.6.2.Network Port LEDs.2.4.5.3. ID LEDThis is the enclosure identification LED (there is a duplicate LED onthe Ops Panel).2.5. eUSB Flash DriveThe motherboard supports a solid state flash drive with a USB 2.0interface.The eUSB flash drive can be set up in the ATX server’s BIOS, byselecting the “Advanced -> USB Configuration” option.2.6. Operator’s (Ops) PanelThe enclosure front panel incorporates an Operator’s (Ops) Panel,shown in Fig. 11.Important The Ops Panel is an integral part of the enclosure chassisassembly and is not field replaceable.This assembly incorporates a USB socket, three LEDs and three but-tons, with the following functions:✦ LEDs:– Green: The enclosure is powered on.– Amber: The enclosure has detected a fault (this LED canbe overridden by the customer using SES).– Blue: Enclosure identification LED.✦ Buttons:– On/off: Powers the system on or off (if held down for atleast four seconds). However, note that the system should