SUPER MICRO Computer X7DA3 Option ROM Scan, Enable Master, Latency Timer, Large Disk Access Mode

Chapter 4: BIOS

￿Slot#1 PCI-X100 MHz ZCR, Slot#2 PCI-X 133MHz, Slot#3 PCI-X 133MHz, Slot#4 PCI-E x4, Slot#5 PCI-33MHz and Slot#6 PCI-E x16

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 benefi t from a greater clock rate. The options are Default, 0020h, 0040h, 0060h, 0080h, 00A0h, 00C0h, and 00E0h. For Unix, Novell 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.

Large Disk Access Mode

This setting determines the size of a hard drive to be accessed by the user. The options are DOS or Other (for Unix, Novelle NetWare and other operating systems).

￿Advanced Chipset Control

Access the submenu to make changes to the following settings.

Warning: Take Caution when changing the Advanced settings. Incorrect values entered may cause the system to malfunction. Also, a very high DRAM frequency or incorrect DRAM timing may cause system instability. When this occurs, revert the setting to the default setting.

SERR Signal Condition

This setting specifi es the ECC Error conditions that an SERR# is to be asserted. The options are None, Single Bit, Multiple Bit, and Both.

4GB PCI Hole Granularity

This feature allows you to select the granularity of PCI holes for the PCI slots. If MTRRs are not enough, this option may be used to reduce MTRR occupation. The options are: 256 MB, 512 MB, 1GB and 2GB.

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