Sun Microsystems Ultra 80 SCSI User manual

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Sun™Ultra™80 SCSI
Cable Installation Guide
Part No. 806-4423-10
March 2000, Revision A

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iii
Preface
The Sun Utra 80 SCSI Cable Installation Guide describes how to install the Sun
Ultra80 SCSI cable optional component.
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Application Title Part Number
Service Sun Ultra 80 Service Manual 805-6618

iv Sun Ultra 80 SCSI Cable Installation Guide • March 2000
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Contents v
Contents
Preface iii
1. Optional SCSI Cable Component 1-1
1.1 Optional SCSI Cable Component Kit 1-2
1.2 System Hardware Requirements 1-2
1.3 SCD Compliance 1-2
1.4 How to Proceed 1-3
2. Powering On/Off and Internal Access 2-1
2.1 Powering Off the System/Removing the Access Panel 2-1
2.2 Attaching the Antistatic Wrist Strap 2-5
2.3 Replacing the Access Panel/Powering On the System 2-6
3. Removing and Replacing the Peripheral Assembly 3-1
3.1 Removing the Peripheral Assembly 3-1
3.2 Installing an Optional Component 3-3
3.3 Replacing the Peripheral Assembly 3-4
4. Installing the Optional SCSI Cable Component 4-1

vi Sun Ultra 80 SCSI Cable Installation Guide • March 2000

1-1
CHAPTER 1
Optional SCSI Cable Component
The SunUltra80 system supports up to two SCSI devices, with 50-pin SCSI
connectors, in its peripheral assembly (removable media drive bay). This book
explains how to install the optional SCSI cable component when a second SCSI
removable media drive is added to the system.
For more detail on the Sun Ultra 80 system, please consult the Sun Ultra 80 Service
Manual, part number 805-6618.
FIGURE 1-1 Ultra 80 Workstation
Peripheral assembly
(removable media drive bay)

1-2 Sun Ultra 80 SCSI Cable Installation Guide • March 2000
1.1 Optional SCSI Cable Component Kit
Each optional SCSI cable component kit contains:
■This book
■SCSI cable
■Antistatic wrist strap
1.2 System Hardware Requirements
System hardware requirements include a second SCSI device with a 50-pin
connector, to be installed in the peripheral assembly (removable media drive bay).
The device may be a 4-mm tape drive, an 8-mm tape drive, or a second CD-ROM
drive.
1.3 SCD Compliance
Sun Ultra 80 systems have been independently tested and
verified to comply with revision 2.1 of the SPARC™ Compliance
Definition (SCD) developed by SPARC International, Inc. These
systems are binary compatible with all other systems and
software that conform to SCD version 2.1.

Chapter 1 Optional SCSI Cable Component 1-3
1.4 How to Proceed
If you are an experienced technician, system administrator, authorized service
provider (ASP), or advanced computer system end user who has experience
troubleshooting and replacing hardware, you may want to start with Chapter 4
“Installing the Optional SCSI Cable Component.”
Otherwise, first read and perform the procedures in sequence in Chapter 2
“Powering On/Off and Internal Access”, and Chapter 3 “Removing and
Replacing the Peripheral Assembly.”

1-4 Sun Ultra 80 SCSI Cable Installation Guide • March 2000

2-1
CHAPTER 2
Powering On/Off and Internal
Access
This chapter contains procedures to power on and off the system, and instructions
on how to access the system for service:
■Section 2.1 “Powering Off the System/Removing the Access Panel” on page 2-1
■Section 2.2 “Attaching the Antistatic Wrist Strap” on page 2-5
■Section 2.3 “Replacing the Access Panel/Powering On the System” on page 2-6
2.1 Powering Off the System/Removing the
Access Panel
To power off the system and remove the access panel:
Caution – Prior to turning off the system power, exit from the operating system.
Failure to do so may result in data loss.
1. Back up system files and data.
2. Halt the system.
Caution – Pressing the power switch does not remove all power from the system; a
trickle voltage remains in the power supply. To remove all power from the system,
disconnect the power cord.
3. Momentarily press the front panel power switch (FIGURE 2-1) and follow the
instructions on the screen.

2-2 Sun Ultra 80 SCSI Cable Installation Guide • March 2000
Note – If the system will not shut down, such as when the operating system has
crashed, press and hold the power switch for at least five seconds.
4. Verify the following:
a. The front panel LED is off.
b. The system fans are not spinning.
Caution – Disconnect the power cord prior to servicing system components.
5. Turn off the power to the monitor.
6. Disconnect cables to any peripheral equipment.
7. Remove the lock block, if installed (FIGURE 2-2).
FIGURE 2-1 System Power
Power switch

Chapter 2 Powering On/Off and Internal Access 2-3
FIGURE 2-2 Lock Block Location
8. Remove the access panel as follows (FIGURE 2-3):
Note – Removing the access panel activates the system power interlock circuit. This
safety mechanism prevents all DC voltages (except 5 VDC standby power) from
reaching any internal components when the access panel is removed.
a. Lay the system in the service position.
b. Press down on the two depressions at the top of the access panel. Tilt the top of
the access panel out about an inch.
c. Lift the access panel up and clear of the chassis.
Lock block
Workstation

2-4 Sun Ultra 80 SCSI Cable Installation Guide • March 2000
FIGURE 2-3 Removing/Replacing the Access Panel
Access panel
Depression (2)

Chapter 2 Powering On/Off and Internal Access 2-5
2.2 Attaching the Antistatic Wrist Strap
Caution – Wear an antistatic wrist strap and use an ESD-protected mat when
handling components. When servicing or removing system components, attach an
ESD strap to your wrist, then to a metal area on the chassis, and then disconnect the
power cord from the system and the wall receptacle. Following this caution
equalizes all electrical potentials with the system.
1. Disconnect the power cord.
2. Attach the antistatic wrist strap as follows (FIGURE 2-4):
a. Unwrap the first two folds of the antistatic wrist strap and wrap the adhesive
side firmly against your wrist.
b. Peel the liner from the copper foil at the opposite end of the antistatic wrist
strap.
c. Attach the copper end of the antistatic wrist strap to the chassis.

2-6 Sun Ultra 80 SCSI Cable Installation Guide • March 2000
FIGURE 2-4 Attaching the Antistatic Wrist Strap to the Chassis
2.3 Replacing the Access Panel/Powering
On the System
Replace the access panel and power on the system as follows (FIGURE 2-3):
Caution – If the access panel is installed incorrectly, the power interlock circuit will
remain activated. Ensure that the access panel is installed correctly.
1. Hold the access panel, centering it over the chassis opening.
2. Lower the access panel lightly onto the chassis until the access panel hooks
engage the chassis rail.
Chassis
Antistatic wrist strap

Chapter 2 Powering On/Off and Internal Access 2-7
3. Tilt the top of the access panel in toward the chassis until it clicks into place.
4. Verify that the access panel clicks into both sides of the chassis top.
5. Replace the lock block (FIGURE 2-2).
6. Place the system into the operating position.
7. Turn on power to all connected peripherals.
Note – Peripheral power is activated prior to system power so the system can
recognize the peripherals when it is activated.
8. Connect the power cord to the wall and the system.
9. Momentarily press the power switch (FIGURE 2-1) or the Type-6 keyboard power
key (FIGURE 2-5).
10. Verify the following:
a. The front panel LED is on.
b. The system fans are spinning.
FIGURE 2-5 Type-6 Keyboard
Help
Stop Again
Props
Front
Open
Find Cut
Paste
Copy
Undo
Esc F2F1 F3 F4 F5 F6 F7 F8
12 345 678 9 0
~
`
!@ #$% ^& * ( ) _
-
+
=
Back Space
F9 F10 F11 F12
Tab QWERTYUI OP{
[} ]
Caps Lock ASD F G H J KL :
;"
'
Shift ZXCVBNM<
,> .?
/
Control Alt
|
\
Enter
Shift
Com-
pose
ComposeScroll LockCaps LockNum Lock
Alt
Graph
Print
Screen Scroll Lock Pause
BreakSysRq
Insert Home Page
Up
Del End Page
Down
Num
Lock
Home PgUp
End PgDn
Ins Del
-
*
/
.
789
456
123
0
Enter
+
Power key

2-8 Sun Ultra 80 SCSI Cable Installation Guide • March 2000

3-1
CHAPTER 3
Removing and Replacing the
Peripheral Assembly
To remove and replace a peripheral assembly drive, it is necessary to remove and
replace the peripheral assembly.
Note – A peripheral assembly drive can be a CD-ROM drive, a 4-mm tape drive, an
8-mm tape drive, or any offered optional drive component, such as a
PCI-connected device.
3.1 Removing the Peripheral Assembly
1. Remove any CD-ROM, tape, or diskette in the drive.
2. Power off the system and remove the access panel.
See Section 2.1 “Powering Off the System/Removing the Access Panel” on page 2-1.
Caution – Use proper ESD grounding techniques when handling components. Wear
an antistatic wrist strap and use an ESD-protected mat. Store ESD-sensitive
components in antistatic bags before placing them on any surface.
3. Attach the antistatic wrist strap.
See Section 2.2 “Attaching the Antistatic Wrist Strap” on page 2-5.
4. Remove the peripheral assembly as follows (FIGURE 3-1 and FIGURE 3-2):
a. Remove the peripheral bezel assembly by pressing down on the top of the
bezel and pulling it straight out from the chassis.

3-2 Sun Ultra 80 SCSI Cable Installation Guide • March 2000
b. Using a No. 2 Phillips screwdriver, remove the four screws securing the
peripheral assembly to the chassis.
c. Partially remove the peripheral assembly from the chassis.
d. Disconnect the power and interface cables from all drives installed in the
peripheral assembly.
e. Remove the peripheral assembly from the chassis.
5. Place the peripheral assembly on an antistatic mat.
FIGURE 3-1 Removing and Replacing the Peripheral Assembly
Screw (4)
Peripheral assembly
Peripheral bezel assembly