IBM Personal System/2 CL57 SX Hardware Maintenance Reference page 46

1090 System Board and I/O Panel Assembly (Continued)
Note: After reinstalling the system board and I/O panel assembly, make
sure the power control switch
to ON.
IBM PS/2 Model CL57 SX HMR
1090 System Board and I/O Panel Assembly
PICTURE 23 on the I/O panel is set
_ Copyright IBM Corp. 1991
6.9 - 2