Siemens Simatic 620 - Manual (Page 96)

Configuring the SIMATIC Box PC 620
5-8
SIMATIC Box PC 620 Manual
A5E00131465-01
“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.