System Board
Input/output Controller Hub 2 (82801BA)
Chapter 2
55
• Standard mode (PC/XT, PC/AT, and PS/2 compatible).
• Bidirectional mode (PC/XT, PC/AT, and PS/2 compatible).
• Enhanced mode (enhanced parallel port, EPP, compatible).
• High-speed mode (MS/HP extended capabilities port, ECP, compatible).
FDC
The integrated floppy disk controller (FDC) supports any combination of two of the
following: tape drives, 3.5-inch flexible disk drives, 5.25-inch flexible disk drives. It is
software- and register-compatible with the 82077AA, and IBM-compatible. It has an A
and B drive-swapping capability and a non-burst DMA option.
Keyboard And Mouse Controller
The computer has an 8042-based keyboard and mouse controller. See page 113 for
connector pin layouts.
