Sun Ultra 20 M2 Workstation Service Manual
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Sun Ultra 20 M2 Workstation Hardware Features
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This chapter provides an overview of the Sun Ultra 20 M2 Workstation hardware features, and includes the following sections:
1.1 Front Panel
FIGURE 1-1 illustrates the front panel of the Sun Ultra 20 M2 Workstation. TABLE 1-1 lists the components called out in the figure.
FIGURE 1-1 Front Panel Components
TABLE 1-1 Front Panel Components
Label
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Button/LED/Port
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Label
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Button/LED/port
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1
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Power button
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4
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Two USB 2.0 ports
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2
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Power LED
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5
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Microphone-in jack
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3
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Two 1394 ports
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6
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Headphone-out jack
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1.2 Back Panel
FIGURE 1-2 depicts the back panel of the Sun Ultra 20 M2 Workstation. TABLE 1-2 lists the components called out in the figure.
FIGURE 1-2 Back Panel Components
TABLE 1-2 Back Panel Components
Label
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Connector/Slot
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Label
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Connector/Slot
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1
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Power connector
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8
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Four USB 2.0 connectors
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2
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Power switch
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9
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PCI Express x16 graphics slot
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3
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Onboard DB15 VGA graphics connector (for ES 1000 graphics controller)
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10
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PCI Express x1 slot
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4
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Line-in jack
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11
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PCI Express x16 mechanical slot
(x8 electrical)
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5
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Line-out jack
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12
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Three PCI 33-MHz 32-bit slots
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6
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Microphone jack
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13
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Cover plate, no slot
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7
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Two Ethernet connectors
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1.3 Internal Components and Cables
FIGURE 1-3 shows the location for major system components and connectors. TABLE 1-3 lists the components called out in the figure.
FIGURE 1-3 Internal System Components
TABLE 1-3 Internal System Components
Label
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Component
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Label
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Component
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1
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Power supply
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6
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DVD release lever
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2
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Memory (DIMMs)
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7
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I/O board release thumbscrew
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3
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System fan
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8
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Heatsink release lever
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4
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PCI Express slots (3) numbered PCI-E slot 0 (top) to PCI-E slot 2
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9
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System serial number
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5
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PCI slots (3) numbered PCI slot 0 (top) to PCI slot 2
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10
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Hard disk drive(s)
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FIGURE 1-4 shows the cable connections on the motherboard. TABLE 1-4 lists the components called out in the figure.
FIGURE 1-4 Power Supply and Component Cable Connections to Motherboard
TABLE 1-4 Power Supply and Component Cable Connections to Motherboard
Label
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Cable Connection
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Label
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Cable Connection
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1
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Power supply 3 to DVD drive
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8
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DVD drive to motherboard IDE
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2
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DVD drive analog to motherboard J8
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9
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I/O board J5 to motherboard USB 3
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3
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I/O board J1 to motherboard J7
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10
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Storage backplane HDD2 to motherboard SATA 2
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4
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Power supply P2 to motherboard PWR2
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11
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Storage backplane HDD1 to motherboard SATA 1
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5
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Power supply P1 to motherboard PWR1
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12
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I/O board J12 to motherboard FPB
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6
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System fan to motherboard SYS_FAN
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13
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I/O board J8 to motherboard 1394-1 and 1394-2
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7
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Power supply P4 to storage backplane J3
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14
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CPU fan to motherboard CPU_FAN
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Sun Ultra 20 M2 Workstation Service Manual
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819-6584-11
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Copyright © 2007, Sun Microsystems, Inc. All Rights Reserved.