If you have video display, turn off your system, move the BIOS configuration jumper to position 2-3, turn your system on again, after the POST runs, setup will run automatically and the maintenance menu will be displayed.
Press F9 in order to restore the BIOS default options.
You can find more additional information on the https://www.intel.com/content/dam/support/us/en/documents/motherboards/server/s1200kp/sb/g38894002_s1200kp_tps_r1_1.pdf technical product specification on page 39.
Once you load the BIOS default settings, turn your system off again, move the BIOS configuration jumper to normal position and check if the VGA port works.
If you do not have any video display, please remove the CMOS battery and remove all power from your system between 10 to 30 minutes, then check if the problem continues.
Finally, please let us know if you are getting any beep code or error message.
still no VGA out,
The senario was the following,
I was adding a graphic card,
booted up everything works
reboot into Bios,
Disable internal graphics,
reboot to OS,,
reboot to Bios,
enable internal graphics
removed extra graphics card,
booted upp, beeping for no grphics, but booted to os, (tested to RDP to server, ok)
i'm not the only one that have this odd problem
http://jplay.eu/forum/index.php?/topic/2029-battery-powered-ssd/?p=34302 Battery powered SSD - Computer Audio - JPLAY - hi-end audio player for Windows
Please try to perform a BIOS recovery on your system:
1. Copy the recovery file (*.bio) to a bootable USB thumb drive.
You can download the BIOS recovery file https://downloadcenter.intel.com/download/22499/BIOS-update-for-S1200KP?product=67346 here.
2. Place the thumb drive in a USB port of the target system.
3. Shut down the system and unplug AC power.
4. Open the chassis and remove the BIOS Configuration Jumper. See the
https://www.intel.com/content/dam/support/us/en/documents/motherboards/server/s1200kp/sb/g38894002_s1200kp_tps_r1_1.pdf Technical Product Specification for details including the location of this jumper. Page 38
5. Power the system on.
6. Wait 2-5 minutes for the update to complete.
7. System will either turn off when the recovery process is completed or it
will prompt you to turn off the system.
8. Remove the thumb drive from the USB port.
9. Replace the BIOS Configuration Jumper.
10. Restart system.
If the problem continues, please send us an screenshot on how are you enabling the onboard VGA on the BIOS
Please remove the CMOS battery and remove all power ( remove the memory, power supply connector, SSDs, hard drives from your system between 1 to 2 hours, then check if the problem continues.
If the problem continues, please send a screenshot of the BIOS screen, showing us how are you enabling the VGA on the BIOS.