Specifications

PC/II+p Board Technical Reference Manual 50

7.13 Keyboard & Mouse Interface

PC/II+p contains an integrated PS2/AT-style keyboard and PS2-style Mouse controller. The 8042 compatible

controller is supported by the Acer Laboratories M1543C south bridge and I/O controller. The keyboard and

mouse interface signals are pulled to the Mass I/O Connector, J904. EMI suppression for both the keyboard

and mouse clock and data lines is provided on-board.

The pinouts of the keyboard and mouse interfaces are given in Table 19

and Table 20, below. For more

information, please refer to the datasheet for the Acer Laboratories M1543C, found in section 2

, "Reference

Documents" in this document.

7.13.1 Keyboard Interface Pinout

Table 19 Signals – J904 – Keyboard Interface

PIN NAME PIN# SIGNAL NAME SIGNAL DESCRIPTION

K1-CLK

b8 Keyboard Clock This output is the keyboard interface clock.

K1-DAT

c8 Keyboard Data This input is the keyboard serial data line.

7.13.2 Mouse Interface Pinout

Table 20 Signals – J904 – Mouse Interface

PIN NAME PIN# SIGNAL NAME SIGNAL DESCRIPTION

M1-CLK

d9 Mouse Clock This output is the PS2 Mouse clock.

M1-DAT

e9 Mouse Data This input is the mouse serial data line.