GA-7VAXP ... 2 problems

KieranCoghlan

Member
Oct 29, 2002
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I just upgraded my system to an XP 2100+, the GA-7VAXP, GeForce4 ti4200/64mb, and Crucial PC2700 CAS2 512MB (DDR333) ram. The upgrade went fairly smoothly. Windows XP recognized everything amazingly enough. I was online and downloading up-to-date drivers in no time. (My old system was an Abit KT7A-RAID, tbird 1.4GHz, GF2MX/32MB graphics, and PC133/CL2 512MB ram.)

I'm very pleased so far with the mobo, however I do have two problems I can't seem to figure out:

First, there is a DIP switch for the system bus speed, called SW1. With this switch you can set the system bus speed to either 100, 133, or 166 MHz. Initially I had to boot with it set to 100MHz, as it would not POST at either 133 or 166. Then I switched the BIOS setting for the DRAM clock to "166-DDR333," and was then able to boot with the DIP switch SW1 set to the 133 setting, but not to the 166 setting. I can't seem to figure out what I'm doing wrong. My memory, I think, should be capable of running at DDR333 rates. It is Crucial "XMS" DDR RAM, model # CMX512-2700C2.

Second: There doesn't seem to be an 8X AGP setting in the BIOS for the graphics card. The only options right now are 4X and 2X. Is that because my graphics card is only 4X capable, so the BIOS doesn't even display the 8X option? Not a big deal on this one, just curious.

I'd really appreciate some help on the first issue, though. Thanks!
 

maxSe

Golden Member
Aug 23, 2000
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Since I don't have this board, I can't clearly say this for sure, but...

1. It sounds like the dip switches are for controlling the bus speed of the processor, NOT the memory speed. Unless your 2100+ is able to run at 166bus, I don't think the board will boot up with the dip set at 166bus. I believe there should be an option in the bios to control your memory speed, so that you run your chip @133bus and run your memory @166 (DDR333) speed.

2. Like I said, I don't have this board... and I don't own a AGP 8X capable card... so... can't help you there... Frankly, I don't care much about AGP 8X... :p
 

Iron Woode

Elite Member
Super Moderator
Oct 10, 1999
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Didn't your board come with a user manual? All the info is there. You can always download the manual.

XP2100+ uses the 133 bus not 166. Set the dip switch to 133. Go into the bios and set ram speed to 166. There you go. All done in 2 minutes.