SERVICE PROCEDURES 62
FIGURE 20: Diagram of the E-41 motherboard
Key
1. PS/2 ports (not used)
2. USB ports (x2)
3. Not used
4. Monitor
5. Network interface/USB ports (x2)
6. USB ports (x2)
7. CPU power (PW1)
8. CPU fan power (FAN 1)
9. Motherboard power (PW2)
10. CPU, heatsink, CPU fan
11. Battery (BT1)
12. Video board (J12)
13. Empty PCI-E (J11)
14. Empty PCI-E (J10)
15. Empty PCI-X (J17)
16. Empty PCI-X (J16)
17. BIOS chip (U29)
18. DIMM 4
19. DIMM 3
20. DIMM 2
21. DIMM 1
22. Not used (FAN 3)
23. Not used (FAN 2)
24. SATA 1, DVD drive data connection
25. SATA 2, HDD data connection
26. SATA 3 (Not used)
27. SATA 4 (Not used)
28. SATA 5 (Not used)
29. SATA 6 (Not used)
30. Front panel fan (FAN 4)
31. Speaker (J40); PWR & RST (JP4);
CMOS (JP1)
32. Unused USB port
33. UIB cable (J38)
34. Front panel USB port cable (J35)
35. Front panel USB port cable (J22)
36. Unused (J20)
37. Unused (IDE)
38. Unused (J15)
MH—Mounting holes
1
12
3
17
18
6
2
5
37
13
16
15
MH
MH
MH
4
7
10
14
19
201
21
22
27
32
MH
8
MH
MH
9
MH
25 29
2624 28
23
36
35
33
31
11
30
MH
MH
34
38
DVD drive
HDD