Siemens SIMATIC IPC827D Operating Manual

BIOS Setup (SCU)
3.4 Advanced menu
BIOS Description
26 Operating Manual, 05/2016, A5E33664825-AB
Parameter
Meaning
VT-d
1 2 3
Disabled Disable hardware support for the sharing
I/O devices with multiple virtual machines.
Auto
1
Enabled
2 3
If Intel Virtualization Technology for Directed
I/O (VT-d) is supported, this feature is enabled:
VMM (Virtual Machine Monitor) systems can then
use VT-d to manage multiple virtual machines
that access the same physical I/O device.
The following Setup parameters are visible if "VT-d" is enabled:
• Interrupt Remapping
2 3
The virtualization software has (Enabled) or does not have (Disabled)
direct access to interrupts.
• Pass-Through DMA
2 3
The virtualization software has (Enabled) or does not have (Disabled)
direct access to DMA channels.
After G3 On
1
Specifies the device reaction to voltage failure and voltage recovery.
S0 After voltage failure and subsequent voltage
restoration, the device switches on automatically.
S5 After voltage failure and subsequent voltage
restoration, the device remains switched off.
Last State If the device is switched on when the power fails,
the device will switch back on when the power
returns.
Otherwise, the device remains switched
off.
DeepSx Power Policies
4
If enabled (Enabled), the devices switches itself to idle state, a mode
with the lowest power consumption.
Disabled Disable DeepSx-Modes (deep sleep).
Enabled in S5
Enable DeepSx-Modes for operating state S5.
Enabled in S4-S5 Enable DeepSx-Modes for operating states S4
and S5.
Max TOLUD
1
1 to 3.25 GB in
0.25 increments
Maximum value of TOLUD (Top of Low Usable
DRAM).
HPET Support The high-
precision timer (High Precision Event Timer) for multimedia is
always active and can be used (Enabled) or switched of
5
(Disabled
5
).
PCI MMIO
3
1 GB
1.25 GB
1.5 GB
2 GB
When enabled (Enabled), the memory manage-
ment of the operating system is notified that a
memory area of the selected size must be keep
free, e.g., for I/O cards.
1
Only with IPC6x7 and IPC8x7
2
Only with IPC4x7
3
Only with Field programming device
4
Only with IPC647 and IPC847
5
Only with the latest generation, e.g. not with Field PG M5

Siemens SIMATIC IPC827D Specifications

General

Brand	Siemens
Model	SIMATIC IPC827D
Category	Industrial PC
Language	English