Super I/O Floppy Disk Drive (Fdd) Controller; Figure 2-22: Super I/O Infrared Port - IEI Technology IMBA-8650 User Manual

IMBA-8650 Motherboard
The IR controller on the super I/O is interfaced through the board-to-board connectors on
the IMBA-8650 to an IrDA pin-header on a backplane.

Figure 2-22: Super I/O Infrared Port

2.8.3.7 Super I/O Floppy Disk Drive (FDD) Controller

The Super I/O FDD controller is compatible with the following specifications.
IBM PC AT disk drive compatible
Variable write pre-compensation with track selectable capability
Vertical recording format supported
DMA logic enabled
16-byte data FIFOs
Overrun and under run conditions detected
Built-in address mark detection circuitry to simplify the read electronics
FDD anti-virus functions with software write protect and FDD write enable
signal
Supports 3.5-inch or 5.25-inch FDD
Compatible with industry standard 82077
Supported capacities:
o
360K
o
720K
o
1.2M
o
1.44M
o
2.88M
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