Message/Symptom FRU/Action
Incorrect memory size
during POST. 1. Run the Memory
tests.
2. MemoryModule
3. SystemBoard
“Insert a Diskette” icon
appears with a known-good
diagnostics diskette in the
first 3.5-inch diskette drive.
1.Diskette Drive
2. SystemBoard
3. Diskette Drive Cable
4. Risercard
5. NetworkAdapter
Intensity or color varies from
left to right of characters
and color bars.
1.Display
2. SystemBoard
No power, or fan not
running. 1. See “Power supply”
on page 29.
Non-system disk or disk
error-type message
with a known-good
diagnostic diskette.
1.Diskette Drive
2. SystemBoard
3. Diskette Drive Cable
4. Risercard
Other display symptoms not
listed above (including blank
or illegible display).
1. See “Display” on
page 31.
2. SystemBoard
3. Display
Power-on indicator or hard
disk drive in-use light
not on, but computer
works correctly.
1.Power Supply
2. SystemBoard
3. LEDCables
Printer problems. 1. See “Printer” on
page 28.
Program loads from the
hard disk with a
known-good diagnostics
diskette in the first 3.5-inch
diskette drive.
1.Run Setup
2. DisketteDrive
3. Diskette Drive Cable
4. SystemBoard
5. Risercard
6. PowerSupply
RPL computer cannot
access programs from its
own hard disk.
1. If network admin. is
using LCCM Hybrid
RPL, check startup
sequence: First
device: network;
Second device: hard
disk
2. Hard disk drive
RPL computer does not
RPL from server. 1.Check startup
sequence
2. Check the network
adapter LED status
Serial or parallel port device
failure (system board port). 1.External Device
Self-Test OK?
2. ExternalDevice
3. Cable
4. SystemBoard
102 IBM PC 300/IntelliStation Vol 3 HMM