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4-46 BIOS Setup

Table 4-20. IO Space Configuration Submenu

Item Option Description

HBB #N (W/X/Y/Z) [Auto]

256Byte

512Byte

1KB

4KB

8KB

16KB

HBB #N (W/X/Y/Z):

N: HBB number (0 - 63)

W: Cell Board number (0 - 7)

X: IOC number (0 - 1)

Y: GSL number (0 - 1)

Z: PCI bus number (0 - 1)

Displays/sets the I/O space size of the host PCI bus

bridge.

Auto: BIOS automatically sets the optimal size.

Other than Auto: Select from the pop-up menu.

[ ]: Default setting

When [Auto] is selected, the BIOS detects the PCI devices installed on the host PCI bus

bridge. The BIOS automatically sets the optimal I/O resource size. When the sum of

specified I/O resource size is smaller than the I/O resource size of the system (64 KB), a

surplus I/O resource size is used for the host PCI bus bridge with the largest number.

The sum of the specified I/O resource size must be smaller than 64kB or must be 64kB.

If the size is larger than 64kB, the system detects a setting error at the next start up and

the I/O resource size settings are initialized. (The procedure is the same as selecting

option [Auto].)

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Nec 1080Xd Bedienungsanleitung Seite 154