Do you know what the IDE to SATA Adapter is for a dimension 4600, or if there is one?
Here is an adapter for everything lol:
KINGWIN ADP-06 SATA to IDE Bridge Board (Newegg.com)
Suitability: All SATA devices
Interface: 7 + 15 pin SATA
OS Compatibility: Windows 98SE/ME/2000/XP/Vista
SATA to IDE Bridge Board
Convert all SATA devices to IDE
Support all SATA devices (H.D.D.)
Sometimes they phrase it different just read description which way it converts.