Now make sure to click on the HDD that your going to use on your PS2 - If your not sure what the model name of it is, try looking at the 'Capacity' and then click 'Continue >'.
Double click on 'Double-click to open file' then open '48BIT_HDDOSD_VASH32_DUMP.imgc' and click 'Continue >'.
Start 'HDDRawCopy1.02Portable' in Run as Administrator mode.
Click OK & select Utilities, click on Scan / Repair for PS2 drive, when all green, click on cancel.
Select Format Drive, select Full Format, Application: HDLoader 48Bit & click OK (took8 hrs to full format Maxtor 320GB HDD).
Select Drive - Any PS2 Drive, it will come up as HDLoader 24bit: 125.38GB free.
Select Toxic OS in Override Application Mode & untick 'Enable Patched HDL's Extended Compatibility Modes' option and click OK.
Run Winhiip v1.7.6 software (Windows HDL Image Install Program) in Run as Administrator mode.