Siemens 620 appendix Multi Sector-Transfer Field

Configuring the SIMATIC Box PC 620

“Multi Sector-Transfer” Field

The entry in the Multi-Sector Transfer field defines the number of sectors transferred per interrupt. The value depends on the drive and should be set only by setting the Type field to Auto.

Disabled

2,4,8,16 sectors

“LBA Mode Control” field

If the LBA Mode Control field (enabled,disabled) is set to ’Enabled’, the system supports hard disks with capacities greater than 528 Mbytes. The value depends on the drive and should be set only by setting the Type field to Auto.

“32 Bit-IO” Field

The setting in the 32 Bit I/O field defines the mode of access for the drive

Disabled 16-Bit access

Enabled 32-Bit access (default)

“Transfer Mode” and “Ultra DMA Mode” Fields

The settings in these fields define the interface’s data-transfer rate. The value depends on the drive and should be set only by setting the Type field to Auto.

Hit ESC to exit the submenu.

5-8	SIMATIC Box PC 620 Manual
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