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Siemens Simatic PG 740 - Page 73

Siemens Simatic PG 740
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5
5-8
Programming Device PG 740
C79000-G7076-C742-01
The number of sectors which are transmitted per interrupt are transferred in the
option “Multi-Sector Transfers”. The value depends on the drive and should
only be set using the autodetect function.
Disabled 1 sector
2,4,6,8,16 Sectors
“Enabled” in the option “LBA Mode Control” (enabled, disabled) means that
hard disk capacities greater than 528 MB are supported. The value depends on
the drive and should only be set using the autodetect function.
The type of access to the drive is defined in the option ”32 Bit I/O”:
Disabled 16-bit-access
Enabled 32-bit-access
The transmission rate to the IDE drive is set in the option “Transfer Mode”. The
value depends on the drive and should only be set using the autodetect function.
Standard up to 2Mbyte/s
Fast PIO 1 up to 4Mbyte/s
Fast PIO 2 up to 5Mbyte/s
Fast PIO 3 up to 10Mbyte/s
Fast PIO 4 up to 16.6Mbyte/s
We recommend that you use the autodetect function. You should only select a
manual setting with older hard disks which cannot handle the autodetect
function.
Leave the submenu using the ESC key.
Multi-Sector
Transfers” Option
LBA Mode Control
Option
32 Bit-IO Option
Tranfer Mode Option
Configuring the PG 740

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