GVP A530 Turbo Install Disk v1.11 - This is the latest version of the install / utilities disk for the 68030 @ 40Mhz side car accelerator and SCSI expansion for the Amiga 500 / 500+.  Included on the disk are FastPrep, ExpertPrep, SCSIMaskFix, GvpScsiCtrl, GvpCpuCtrl, SetCPU,  Fast-Chip-Check, ChipCheck and MemTest.

This is a bootable disk image (both .ADF and .DMS) and can be used to prepare a new hard drive.  For more information on the GVP A530, I recommend the official GVP-M Website and The Big Book of Amiga Hardware.  You can also find the manual here.