148 Netfinity 3500-M20 – Type 8657 Models 21Y, 22Y, 31Y, 32Y,
• Any external devices
• Surge suppressor device (on the computer )
• M odem, p rin ter, mouse, or non-IBM devices
• Each adapt er
• Drives
• Memory-Modules (Minimum requirement = one
128 MB DIMM)
Note: Minimum o perating requirem ents are:
a. 1 Pow er Supply
b. System Board
c. 1 Micropr ocessor
d. 1 Term inator Card in Slot 2
e. 1 Mem ory Mo du le (m in im u m of 1 DI MM in
slot la beled DIMM 1)
4. Power-on the computer. If the proble m remains, sus-
pect the following FRUs in the order listed:
Power Supply
System Board
Notes:
1. If t he prob le m go es a way w hen y ou r e mov e an a da pte r
from the system, and replacing that adapter does not
correct the problem, suspect the system board, then
the power supply.
2. If yo u suspe ct a networking problem and all the system
tests pass, suspect a network cabling problem external
to the system.