![Congatec COM Express conga-TC87 User Manual Download Page 83](http://html1.mh-extra.com/html/congatec/com-express-conga-tc87/com-express-conga-tc87_user-manual_2652424083.webp)
Copyright
©
2013
congatec
AG
TU87m12
83/114
Feature
Options
Description
Fan PWM Frequency Mode
Low Frequency
High Frequency
Select fan PWM base frequency mode.
Low Frequency: 11.0Hz - 88.2Hz
High Frequency: 1kHz - 63kHz
Fan PWM Frequency
11.0 Hz, 14.7 Hz, 22.1
Hz, 29.4 Hz,
35.3 Hz
,
44.1 Hz, 58.8 Hz, 88.2
Hz
Select fan PWM base frequency (11.0Hz-88.2Hz).
(Only visible in low frequency mode)
Fan PWM Frequency (kHz)
1-63
default:
31
Select fan PWM base frequency (1kHz-63kHz).
(Only visible in high frequency mode)
Fan Speed Setting
0%, 10%, 25%, 40%,
50%, 60%, 75%, 90%,
100%
Boot up fan speed in percent of the maximum supported speed.
11.4.5
PCI & PCI Express Submenu
Feature
Options
Description
PCI Settings
PCI Latency Timer
32
, 64, 96, 128,
160, 192, 224, 248
PCI Bus Clocks
Select value to be programmed into PCI latency timer register.
VGA Palette Snoop
Disabled
Enabled
Enable or disable VGA palette registers snooping.
PERR# Generation
Disabled
Enabled
Enable or disable PCI device to generate PERR#.
SERR# Generation
Disabled
Enabled
Enable or disable PCI device to generate SERR#.
Generate EXCD0/1_PERST#
Disabled
1ms
5ms
10ms
50ms
100ms
150ms
200ms
250ms
Select whether the COM Express EXCD0_PERST# and EXCD1_PERST# pins should be driven low during POST
and how long it will be, if enabled.
►PCI Express Settings
submenu
PCI Express device and link settings.
►PIRQ Routing & IRQ
Reservation
submenu
Manual PIRQ routing and interrupt reservation for legacy devices.
PCIE Root Port Function
Swapping
Disabled
Enabled
Enable or disable PCI Express root port function swapping.
Subtractive Decode
Disabled
Enabled
Enable or disable PCI Express subtractive decode.