- [ DOS - Jack R. Ellis Drivers ] RDISK now a .COM file, loadable by CONFIG.SYS or AUTOEXEC. "RDISK /:{drive_letter} "switch added to use any free drive letter, when loaded thru AUTOEXEC or later. RDISKON program added. Corrected UIDE CD/DVD handling of VDS errors. XMGR and UIDEJR unchanged (re-dated only).