[ltp] RAM upgrade on T20

[Mykroft Holmes IV]

The T20 required double-sided 256MB DIMMs, because it uses the 440BX 
Chipset. You can't use the newer, high-density DIMMs on it. You'll 
likely need to order specially form Kingston or such, since the 
appropriate DIMMs will be hard to find.

Adam

Tino Keitel wrote:

> Hi folks,
> 
> yesterday, I tried to upgrade a T20 with a 256 MB module. However, I
> can not get it to work. The LCD won't even switch on. Since the module
> works in my A30 without errors in memtest86, I assume the module is OK. 
> I also tried to use another 256 MB module, which was working in my A30
> before, without success.
> 
> The timing of the 256 MB modules is PC133-333, whereas the old 128 MB
> module is PC100-322. Another difference: the organization if the chips
> on the new module is 32Mx64, the old module is 16Mx64.
> 
> Can anybody give me a hint why the T20 refuses to work with the 256 MB
> modules? I suppose it's the chip organization, but I'm not sure.
> 
> Regards,
> Tino