Figure 4-6. Non-ISDN System Board (12x Models)
Figure 4-7. ISDN System Board
5Using a nut driver, remove the hex screws from the service port and from the
token-ring port, if present on this IBM 2210.
6If you have an Ethernet port, remove both screws from the bracket on the
port, noting the position of the bracket as you remove it.
4-6 2210 Service and Maintenance