IBM 380 (2635) Manuel D’Utilisation
Symptom / Error
FRU / Action in Sequence
Two short beeps with
error codes.
error codes.
POST error. See “Numeric Error
Codes” on page 106.
Codes” on page 106.
Two short beeps with
blank screen.
blank screen.
System Board
No-Beep Symptoms
Symptom / Error
FRU / Action in Sequence
No beep, power-on
indicator not on, and
a blank LCD during
POST.
indicator not on, and
a blank LCD during
POST.
1. Go to “Power Systems
Checkout” on page 100.
2. System Board
3. Power sources
3. Power sources
No beep, power-on
indicator on, and a
blank LCD during
POST.
indicator on, and a
blank LCD during
POST.
1. System Board
2. CPU Card
2. CPU Card
No beep, power-on
indicator on, and a
blinking cursor only
during POST.
indicator on, and a
blinking cursor only
during POST.
1. System Board
2. CPU Card
2. CPU Card
No beep during
POST but system
runs correctly.
POST but system
runs correctly.
1. Turn the volume up and
check the speaker.
2. Speaker / Volume Switch
Assembly
ThinkPad 365X, 365XD (2625)
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