BIOS Updates forum

I called WD's tech support. I got through to level 2 support after being chastised by a script reader and the level 2 support told me that current WD drives have no way to limit UDMA on the drive itself and that's why the utility to change it has been removed from their website. I don't know if that...

Implemented changes into my BIOS found at:

http://www.ryston.cz/petr/bios/ga586t2_mod.html

under section "Ultra DMA mode limitation"


BIOS instructions now limit machine operation to UDMA-2.

Solved!!!

UDMA gets turned off by Windows because BIOS instructions programs 80GB drive to run at UDMA-5 instead of UDMA-2 (assuming you set UDMA function to AUTO in BIOS setup) Drive functions only in DMA-MW2 max, and only if you switch off UDMA in BIOS setup. Accordingly, activating UDMA in BIOS setup, pote...

BIOS patch is currently: TRM-P5T30B4-V1.12 - patch J.3 02/17/2005 - J. Steunebrink at: http://home.hccnet.nl/j.steunebrink/P5tb4_j3.zip The drive's full capacity is recognized and is functioning (thank you Jan!) BUT... UDMA functions not working right. Drive is UDMA-5 and operates at Level 5 when UD...