X7SBL-LN1/LN2 User's Manual

to write data back directly from the buffer without writing data to the System Memory for fast CPU.

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.

υPNP Confi guration

Access the submenu to make changes to the following settings for PNP (Play & Plug) devices.

υPCI32 Slot#1 - PCI32 Slot#2

Access the submenu for each of the settings above to make changes to the fol- lowing:

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 benefi t from a greater clock rate. The options are Default,

4-16

Page 72
Image 72
SUPER MICRO Computer X7SBL-LN1/LN2 user manual ΥPNP Confi guration, ΥPCI32 Slot#1 PCI32 Slot#2