IBM 3745 Series, Installation And Maintenance Manual

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MAP (continued)
Message/Symptom FRU/Action
RPL computer cannot access programs
from its ownn 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 “Token-ring Adapter Card
LED Status” on page 3-26.
Serial or parallel port device failure
(system board port). 1. External Device Self-Test OK?
2. External Device
3. Cable
4. System Board
Serial or parallel port device failure
(adapter port). 1. External Device Self-Test OK?
2. External Device
3. Cable
4. Alternate Adapter
5. System Board
Some or all keys on the keyboard do not
work. 1. Keyboard
2. Keyboard Cable
3. System Board
Beep Symptoms
Beep symptoms are short tones or a series of short tones separated by pauses
(intervals without sound). See the following example.
Beep Symptom Description
1-2-X
¹
One beep
¹
A pause (or break)
¹
Two beeps
¹
A pause (or break)
¹
Any number of beeps
4 Four continuous beeps
Beep Symptom FRU/Action
1-1-3
CMOS read/write error 1. Run Setup
2. System Board
1-1-4
ROM BIOS check error 1. System Board
1-2-X
DMA error 1. System Board
1-3-X 1. Memory Module
2. System Board
1-4-4 1. Keyboard
2. System Board
1-4-X
Error detected in first 64KB of RAM. 1. Memory Module
2. System Board
2-1-1, 2-1-2 1. Run Setup
2. System Board
3-16
3745-XXA 3-16 3746-9X0: 6563 SPIM