CPUs for M7-400
11-34
S7-400, M7-400 Programmable Controllers Module Specifications
A5E00069467-07
Translation Mode
In Translation Mode you have four possible settings:
• Auto
reads the hard disk parameters and automatically sets the correct mode
(Normal, LBA, Large). The Translation Mode “Auto” is set as the default.
• Normal
used for hard disks with a memory capacity of
504 Mbytes.
• LBA (L
ogical Block Addressing)
is used for hard disks with a memory capacity of
504 Mbytes.
• Large
must be set for hard disks with a memory capacity of
504 Mbytes which do not
support the LBA mode.
Block Mode
Sets the block mode for DMA transfers. As the hard disks in the M7-400 are not
being operated in DMA mode, this check box should not be activated.
32 Bits
Sets 32-bit access mode. As this is not supported by ISA hard disk controllers, this
check box should not be activated.
Fast PIO
Sets a faster Programmed Input Output mode.
OK Button
Activating this button returns to the Setup menu. Changes on the setup page are
retained.
CANCEL Button
Activating this button returns to the Setup menu. Deletes all changes you have
made on the setup page.
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