BP6 detecting half a stick of ram

[nweaver]

My BP6 with RU bios only detects 128 MB of a 256 MB stick. It is PC100 Cas2 256 MB. Works fine on another board (ALI Board) Bios only sees 128. Any Ideas...

 

[agnitrate]

Did you try moving the RAM to another slot? Is it coupled with any other RAM?

silver

 

[Joony]

is the ram High Density, i don't think your board supports high density ram...

 

[nweaver]

spdinfo in sisoft says it is 256 MB 8x(32x8) sdram pc100-222-622 CL3 upto 125, cl2 upto 100, not sure if it is double, didn't think so,

 

[AndyHui]

From the information it doesn't appear to be a high density DIMM, but this DIMM appears to be single sided.

You need a double sided DIMM if you want to use a 256MB stick on a BX chipset based board.

 

[nweaver]

Not to sound dumb, but it does have chips on both sides (er)

 

[AndyHui]

Sorry...I wasn't being very clear.

You need a 16x(16x8) type DIMM. You need 8 chips on each side, for a total of 16 chips.

The BX chipset can handle a maximum chip density of 128mbit.....16x8 = 128mbit. You cannot use 32x4 type 128mbit chips though.

The DIMM you have uses 256mbit chips....32x8.