Hi all,

If you have tried to get your PC to be able to recognize the Toshiba 6GB hard drive from the 3400 tablet pc using a 44 pin to 40 pin adapter and the BIOS would not recognize the drive, it is probably due to the adapter you are using:

I think that I have figured out what the problem with the tablet Toshiba hard drive is.

The replacement Fujitsu 40GB hard drive has interface pins 41 +5v logic and 42 +5v motor pins shorted together on its connector.

The older tablet pc Toshiba hard drive does not short pins 41 and 42 together on its connector.

The 44 pin to 40 pin adapter I am using only provides +5v power to pin 42 and not pin 41 so the Toshiba drive electronics will not get +5v and will fail to talk to the motherboard BIOS.

One solution is buy a different adapter where the traces from the 44 pin side of the adapter are open and you can jumper pins 41 and 42 together or the different adapter, unlike the one I am using, has pins 41 and 42 jumpered.

Hope this helps anyone who could not get their 3400 Toshiba drive to talk to their PC using a 44 to 40 pin adapter.

Regards,
TCIII