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845 Pro2 (Home support page):
Click on Download, then Manual, or whatever.
Apparently, it's other model number is MS-6528, and V2 according to the manual *.zip title. and Version 2.0 in the manual itself
When I zoom in on mboard picture....
Smart Key info starting page 83 of the pdf.
Smart Key software info starting page 89 of the pdf.
It looks identical to that in the other manual
Q Can 845 Pro2 (MS-6528) support AGP 1X,2X & 4X card?
845 Pro2 (MS-6528) only support AGP 4X card Note: All AGP 4X card are 1.5V
See the WARNING on page 48 of the manual pdf !
"Use of 3.3v AGP card may cause damages to the mainboard."
- all AGP cards that support 8X AGP mode also support 4X AGP mode.
- some AGP video chipsets that were first released earlier that support 4X AGP mode or 4X / 8X AGP mode also support 2X and 1X AGP modes (they use 3.3 volts). 1X AGP mode support is often omitted in specs because very few mboards and AGP video chipsets were made that support only 1X mode.
YOU CAN'T USE AN AGP CARD THAT SUPPORTS 1X / 2X AGP modes because doing so may damage the mboard and possibly the video card too in a short time !
- the ads and specs for AGP cards for 4X AGP or 4X / 8X AGP cards often omit the fact that they support 1X / 2X mode too !
This shows which Radeon AGP 4X AGP or 4X / 8X video chipsets also support 2X mode.
Scroll down, look on the right side.