dead mobo?

same memory just different video card

Try swapping out the ram with other known good ram o rif your 512 is 2 memory cards limit it to one, after that your down to motherboard/cpu. Good Luck

Couple things, Could be Power supply or processor. Just had 2 computers that done the sam ething and one was the Power supply and the other was the Processor. can check the Heat sink thermal pad or grease to make sure it was cooling?

Hope this helps

If you haven't made any software or hardware changes and this has just started happening out of the blue... Then power off the computer, open the case and remove/reseat all cables, RAM, daughterboards, etc. Power it back up and see if all is well again.

? Are you getting the power light from the monitor? If not, try another monitor and see if that resolves the whole issue. If you do get the green light from the monitor power -- try another monitor anyway (sometimes video goes out with full power working). If it's an orange light from the monitor (or yellow), then check the video cable and make sure it's secure as well. Video not displaying are usually the monitor (not the video card).

If all else fails, then yes, replace the systemboard.

here is a quick rundown on POST.
1.Power on
2.Chipset initialization
3.Memory test
4.BIOS to Ram
5.Keyboard initialization
6.Test VGA BIOS
7.Processor Initialization
8.Real Time Clock
9.Video interface
10.BIOS sign on
11.Test base & extended memory
12.assign ISA resources
13.Initialize HHD
14.Initialize floppy
15.Boot attempt
16.O/S boot

This is just a basic and is not always the same for each BIOS.[a little more added here, a little less there, depends on the BIOS mfg and motherboard mfg. Most new model BIOS's are semi custom to the motherboard.]

Since you get to HHD initiazliation [you state that your HDD goes on] you might have a BIOS to MBR boot attempt hand off problem[possibly a MBR corruption on the HDD]. BUT,you should SEE something on your monitor during POST. Either the POST screen or Logo screen. If there is no signal output from the vid card [either the monitor data cable isn't connected or the vid card is toat, you should see a No Signal window on the monitor.

Another way to check POST is to watch the keyboard. The Number lock, caps lock and scroll lock lights will flash IF the BIOS is actually going through POST.

If you tried to Flash the BIOS and there was an oopps during the flashingprocess, that could be your problem and you will have to reflash the bios.

From the KA7 unoficial FAQ,

You may need to set the CPU speed manually in order to get stable booting.

What I have had to do;

Remove the CMOS battery, and unplug the power cord for about 1/2 hour.

Connect the power cord, and boot up.

Enter BIOS settings, and manually set the CPU clock.
FSB 100MHz, Multiplier 9.5X
RAM clock for either PC100 or PC133 SDRAM.

Plug in the CMOS battery.

Adjust your other CMOS settings.

Save and exit.

Chas

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