Pcie X16 Channel Mode Setup; Flash Descriptor Security Override Jumper; Figure 4-9: Flash Descriptor Security Override Jumper Location; Table 4-2: Pcie X16 Channel Mode Setup - IEI Technology SPCIE-C246 User Manual

4.6.3 PCIe x16 Channel Mode Setup

The SPCIE-C246 supports one PCIe x16 interface on the backplane. The PCIe x16
channel mode setup is made through the BIOS menu in "Chipset  System Agent (SA)
Configuration  PEG Port Configuration". Use the PEG Link Width Configuration BIOS
option to configure the PCIe x16 channel mode.
Options
1x16
2x8
1x8, 2x4

Table 4-2: PCIe x16 Channel Mode Setup

Please refer to Section 5.4.1.3 for detailed information.

4.6.4 Flash Descriptor Security Override Jumper

The flash descriptor security override jumper (J_FLASH1) allows to enable or disable the
ME firmware update. Refer to Table 4-3 and Figure 4-9 for the jumper location and
settings.
Setting
Short 1-2
Short 2-3

Table 4-3: Flash Descriptor Security Override Jumper Settings

Figure 4-9: Flash Descriptor Security Override Jumper Location

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SPCIE-C246 Full-size PICMG 1.3 CPU Card
Description
Sets the PCIe x16 link width as one PCIe x16 slot (default)
Sets the PCIe x16 link width as two PCIe x8 slots
Sets the PCIe x16 link width as one PCIe x8 and two PCIe x4
Description
Disabled (default)
Enabled