Supermicro C2SBM-Q User Manual download pdf (Page 66)

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C2SBM-Q User's Manual

Cache Extended Memory

If enabled, this feature will allow the data stored in the extended memory area to

be cached (written) into a buffer, a storage area in the Static DROM (SDROM) or

written into L1, L2, L3 cache inside the CPU to speed up CPU operations. Select

Uncached to disable this function. Select Write Through to allow data to be cached

into the buffer and written into the system memory at the same time. Select Write

Protect to prevent data from being written into the extended memory area above 1

MB. Select Write Back to allow the CPU to write data back directly from the buffer

without writing data to the System Memory for fast CPU data processing and operation.

The options are Uncached, Write Through, Write Protect, and Write Back.

PNPConguration

Access the submenu to make changes to the following settings for PNP (Play &

Plug) devices.

PCI 32 Device Slot#4 - PCI Device Slot#6

Access the submenu for each of the settings above to make changes to the

following:

Option ROM Scan

When enabled, this setting will initialize the device expansion ROM. The options

are Enabled and Disabled.

Enable Master

This setting allows you to enable the selected device as the PCI bus master.

The options are Enabled and Disabled.

Latency Timer

This setting allows you to set the clock rate for Bus Master. A high-priority, high-

throughout device may benet from a greater clock rate. The options are Default,

0020h, 0040h, 0060h, 0080h, 00A0h, 00C0h, and 00E0h. For Unix, Novelle and

other Operating Systems, please select the option: other. If a drive fails after

the installation of a new software, you might want to change this setting and try

again. A different OS requires a different Bus Master clock rate.

PCI-E x4 Slot 5

Access the submenu for each of the settings above to make changes to the

following:

PCI Express Port#1

Select Enabled to always enable PCI-Ex1 Port#1. Select Disabled to disable

PCI-Ex1 Port#1 and all other PCI-E ports. When set to Auto, PCI-Ex1 Port#1

will be enabled if a PCI add-on card is detected. The options are Auto, Enabled

and Disabled.

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Supermicro C2SBM-Q User Manual Page 66