SOS item
LED
Blinking time
5V SOS
P board SOS
(Vsus, Vda )
SC board Power SOS
SC board floating output SOS
DS board, Slot power SOS
10
15V SOS
SS board power collect SOS
DN board power SOS
(3.3V, 2.5V, 1.8V, 1.5V)
13
3.3V SOS
4
5
6
7
8
Micro computer error1
2
3
FAN SOS
11
Defective board mainly
P(Multi/SC),P(Multi/SS),
D, DN,C1-CZ, SC, SS, DR1/2
P(SUS/SC),P(Multi/SC),
P(SUS/SS),P(Multi/SS)
P(Multi/SS), D, DN,SS,PB,DR1/2
SS, D, P(SUS/SC),P(Multi/SS)
DN ,P(SUS/Multi)
D
D, DN
FAN ,PB
SLOT1, SLOT2, SLOT3, DS
SC, SC2, SU, SM, SD D,
P(SUS/SC),P(Multi/SC)
DR1/2,D, P(SUS/SC),P(Multi/SC),
P(SUS/SS),P(Multi/SS), C1-CZ
D board CPU
IC9003’s Pin No.
DN board CPU
IC4701’s Pin No.
IC3004 contact
ROM access error
9
Model code error
15
EEPROM data
No.130 H:SOS
No.139 L:SOS
Data signal power collect SOS
D
No.165 L:SOS
No.134 L:SOS
No.132 L:SOS
No.5 L:SOS
No.71 L:SOS
No.69 L:SOS
No.72 H:SOS
No.76 H:SOS
No.73 H:SOS
No.70 L:SOS
No.74 H:SOS
EEPROM data
DN
RED LED
Blinking
1.0s
3.0s
Blinking
No light
Blinking times
LED blinking
Protection Circuit
23