Question about Motherboards
I have a pronble, with this pentuim 2 computer , I recently upgraded the video card and CPU, but now the PC says there is no RAM in it.
Specs : P2 400 Mhz CPU, Asus P2VB Motherboard , 64 MB RAM , Windows ME , 128 Mb ATI Rage Card,
I changed the ram to another machine and the ram is fine.
It may be because your video card is using shered memory
Posted on Mar 31, 2009
There are serveral critical question need to ask
1). what is the FSx (CPU Bus frequency at ?
2). what is the BFx (CPU Bus Frequency Multiple at?
3). voltage selected for the DRAM?
4). what was the original CPU ? (spec.)
5). non ECC SDRAM PC100@ 100Mhz max.
Posted on Nov 13, 2008
The problem clearly isn't a video sharing as I was originally suspecting.
First let me inform you that even your upgrades are several generations behind the current mainstream, Not a problem as long as they are sufficient for your needs. I don't know about the CPU but the Video card is no longer supported by ATI.
Ok lets get down to the Nitty Gritty
First lets remove ALL of your cards from the PC
Video card, any PCI cards and if you have them even the ISA cards
Now remove the ram modules and the CPU
OK we should be starting with a bare Motherboard
Check to make sure that all of the power connections are attached in this case it should be a single 20 pin ATX connector
With that done make sure the IDE connectors are oriented properly there is a notch on the drives connectors that lines up with a key on the ribbon cable.
make sure this cable fully seats into the Motherboard and the drives connector(Try to route the cables so that they are tucked out of the way if possible)
Now repeat the procedure with the floppy drives ribbon cable and connector (If applicable)
Inspect the CPU make sure the heatsink and Fan are attached and mounted Flush to the CPU card
Now insert the CPU into the Slot1 making sure to pay attention to orientation. If I read right you replaced the processor with one of the same speed? if so you don't need to mess with the jumpers that are onboard for the CPU.
If it DOES need a different FSB setting the open up the user manual(Link below if you no longer have it) and find and set the appropriate settings
attach the CPU fan leads to the proper header on the Motherboard
Now check out the RAM slots, there are 2 latches at either end of each slot. Don't put the ram in yet move the latches into an upright position. The should be firm in place you should NOT be able to wiggle them. If there is some PLAY in them we might have just found your ram problem. These latches sometimes jar a little bit up and thus PREVENT the ram modules from seating properly. Any latches that had some PLAY in them just give them a bit of downward pressure (Don't have to FORCE them) until you here and/or feel it click back into place. Now fold down the latches and insert the SDRAM cards once in place fold the latches up until they LOCK into place and hold the ram steady. If any SLOTs are empty fold their latches up too (There are little sensors under these latch arms, that if ANY are down it prevents the Rams address bus from energizing to protect any improperly seated modules)
Now insert your Video card, If there is a latch at the back of the AGP slot make sure that engages properly (Don't worry if there is not one SOME of the older ones didn't have them) just make sure the card seats down all the way into its slot.
Now install any other cards I had you previously remove from the system install any wires from the front panel header that might have been removed or jarred loose, make sure that your case fans are attached to their headers.
I think your ready to give it a try NOW.
When you boot up it may pause asking you to confirm a memory checksum error as the Memory level should be different from the LAST time it boot press what button is says to do so to continue. After the ASUS logo blinks off screen press <Delete> to enter BIOS make sure the Video card setting is for AGP and not PCI press <F10> to save and exit.
This SHOULD have you up and running if not comment back and I'll try to assist you further.
For your information the last Generation of Winows supported with drivers for this board are Me/NT/ and 2000
When you are next ready to upgrade I would recommend getting a more modern motherboard with integrated graphics (If cost is an issue at the time) It will improve your upgrade and support options
Hopefully this helps you
Posted on Nov 13, 2008
As I figure your problem, it seems that you upgraded your motherboard, and video card, but the other part are still the same with your previous P2, if you upgrade your computer better to upgrade everything, cause if your still using the old part like the RAM, the upgraded computer will not detect that part.
Posted on Nov 13, 2008
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