April 19, 2001 EDC 4

### NAME

edc - IBM DASD Storage Interface ESDI disk driver

### SYNOPSIS

edc* at mca? slot ? ed* at edc? drive ?

### DESCRIPTION

The edc driver supports IBM MCA ESDI disk controllers and disks, most commonly found in IBM PS/2 machines. Supported boards include:

IBM ESDI Fixed Disk Controller

IBM Integrated ESDI Fixed Disk & Controller

### SEE ALSO

intro(4), mca(4)

### HISTORY

This driver appeared in NetBSD1.6.

### AUTHORS

The driver was written by Jaromir Dolecek
<jdolecek@NetBSD.org>.

### NOTES

The driver should also work properly on machines with more than 16MB of memory, using buffer bouncing to overcome 24bit MCA DMA limitation.