Motherboard; Removing The Colorpass Motherboard - Canon ColorPASS-Z20e Service Manual

CHAPTER 4 DISASSEMBLY/ASSEMBLY

5.6 Motherboard

The ColorPASS motherboard has a 433MHz Intel Celeron CPU that controls the image
data transferred to and from the video board. The motherboard also controls HDD functions
and the communication between the ColorPASS and external devices. The motherboard has
one 32-bit AGP connector, five 32-bit PCI connectors, and two 16-bit ISA connectors, as
well as three DIMM sockets.
Key
[1] Keyboard/mouse connectors (not used)
[2] USB connector (not used)
[3] 433MHz CPU, heatsink, and CPU fan
[4] Empty (AGP1)
[5] SCSI board (PCI1)
[6] Video board connector (PCI2)
[7] UIB board connector (PCI3)
[8] Option board connector (PCI4)
[9] Ethernet board connector (PCI5)
[10] Empty (ISA1)
[11] Empty (ISA2)
[12] BIOS chip (U8)
[13] Back panel fan cable connector (CFAN)
[14] HDD cable connector (PIDE)
[15] Battery (BT1)
[16] DIMM socket (DIMM3)
[17] DIMM socket (DIMM2)
[18] DIMM socket (DIMM1)
[19] 20-pin power supply cable
connector (PWR CON)
[20] CPU fan cable connector (CPU FAN)
MS—Mounting holes (6 holes)
NOTE: Connectors not listed above
are not used.
F04-506-01 Diagram of the ColorPASS motherboard

5.6.1 Removing the ColorPASS motherboard

Before you remove the motherboard, you must remove:
• All boards installed on the motherboard
• All cables connected to the motherboard
Procedures are included in this section for each of the requirements listed above. This sec-
tion also includes information on replacing the battery and DIMMs on the motherboard, as
well as information on motherboard jumper configurations.
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