DOA2: Hardcore should work with no problems on all loaders (Even USBExtreme lol...). Try to redump your game from the disc.
Originally Posted by Xiphias3
Point #3 you mentioned only affects the disk under Windows.
The game must be absolutely not fragmented, and the filesystem of the disk must not have filesystem errors (Run a disk check).
NTFS is not a supported filesystem by any USB-device game loader.
Does your console have a modchip? Try to disable it if it has one.
Unmodified SCPH-77006 with SM 3.6
SCPH-39006 with M-chip modchip, SCPH-10281 NA and refurb Seagate 80GB HDD
SCPH-10000 v1.00 with SCPH-10190 PCMCIA NA and SCPH-20400 HDD unit