Uploaded Sat Feb 21 2026 05:12:54

EIDETEST detect flawed EIDE controller for
DOS emulation under DESQview, Windows, OS/2
or NT.  Checks for the RZ-1000 and CMD
PCIO640B EIDE PCI controller flaw by writing
and reading a hard disk while simultaneous
I/O potentially interferes.  C++ source
included.  Freeware from Roedy Green of
Canadian Mind Products.  Includes RZ1000.TXT
FAQ on the flaw, sometimes erroneously
called "the DMA bug".