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COPYRIGHT © 2002 CANON INC.
2000 2000 2000 2000
NM-PDL REV.0 JULY 2002
CHAPTER 4 SERVICE PROCEDURE
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F04-402-01 Diagram of the iR-M2 motherboard
Key
1. Keyboard/mouse connectors (not used)
2. USB connectors (not used)
3. Parallel port (not used); COM ports (not used)
4. 10/100BaseT Ethernet port
5. Back panel fan cable connector (FAN2)
6. Copier interface board connector (PCI1)
7. Empty (PCI2; reserved for Token Ring option)
8. Empty (PCI3; reserved for parallel port option)
9. Empty (PCI4)
10. Empty (PCI5)
11. Empty (PCI6)
12. UIB cable connector (JP20)
13. Battery (BT1)
14. BIOS chip (U13)
15. Front fan cable connector (FAN3)
16. SIDE cable connector (CD-ROM drive)
17. PIDE cable connector (HDD)
18. DIMM socket (J2)
19. DIMM socket (J1)
20. DIMM socket (J3)
21. 20-pin power supply connector (J14)
22. CPU fan cable connector
(CPU FAN/FAN1)
23. CPU, heatsink, and CPU fan
MS—Mounting holes (5 holes)
S—Snap-top standoffs (2)
NOTE :
Connectors not listed above are not used.
8
1
7
6
3
MS
9
10
11
17
13
21
S
MS
20
19
18
5
14
MS
22
2
4
23
MS
MS
S
12
16
15
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