IBM官方资料:
SYMPTOM:
An external keyboard does not function when plugged directly into the PS/2 mouse port.
SOLUTION:
If you want to use an external keyboard, you must use the optional keyboard/mouse cable. ( Part number 54G0441)
ADDITIONAL INFORMAT ION:
A PS/2 mouse or the IBM Keypad can be plugged into the port without using the keyboard/mouse cable.
是说在蓝快有专用的PS/2鼠转键盘的连接线。其实可以DIY