
Calling
for
service
.
.
.
.
.
.
.
.
.
.
.
.
.
.
.
.
.
.
.
.
.
.
.
. 23
Chapter
2.
Removal
and
replacement
procedures
.
.
.
.
.
.
.
.
.
.
. 25
Before
you
begin
.
.
.
.
.
.
.
.
.
.
.
.
.
.
.
.
.
.
.
.
.
.
.
. 26
Cables,
connectors,
and
headphones
.
.
.
.
.
.
.
.
.
.
.
.
.
.
.
. 26
Connecting
your
cash
drawer
to
SurePOS
Models
721,
741,
and
781
.
.
.
.
. 27
Removing
the
slanted
I/O
trays
.
.
.
.
.
.
.
.
.
.
.
.
.
.
.
.
.
.
. 28
Removing
the
covers
.
.
.
.
.
.
.
.
.
.
.
.
.
.
.
.
.
.
.
.
.
. 29
Removing
the
top
plate
.
.
.
.
.
.
.
.
.
.
.
.
.
.
.
.
.
.
.
.
.
. 32
Removing
the
CD-ROM
.
.
.
.
.
.
.
.
.
.
.
.
.
.
.
.
.
.
.
.
. 33
Removing
the
hard
disk
drive
.
.
.
.
.
.
.
.
.
.
.
.
.
.
.
.
.
.
. 36
Removing
the
exhaust
fan
(Models
742
and
782
only)
.
.
.
.
.
.
.
.
.
. 38
Replacing
the
insulating
rubber
seal
(Models
722,
742,
and
782
only)
.
.
.
.
. 39
Removing
the
spline
.
.
.
.
.
.
.
.
.
.
.
.
.
.
.
.
.
.
.
.
.
.
. 41
Removing
the
I/O
modules
.
.
.
.
.
.
.
.
.
.
.
.
.
.
.
.
.
.
.
. 42
Removing
the
I/O
module
holders
.
.
.
.
.
.
.
.
.
.
.
.
.
.
.
.
.
. 43
Removing
the
air
duct
(Models
722,
74x,
78x,
and
C4x)
.
.
.
.
.
.
.
.
.
. 44
Removing
the
processor
fan
(Models
742,
782
only)
.
.
.
.
.
.
.
.
.
.
. 45
Removing
the
heat
sink
and
processor
.
.
.
.
.
.
.
.
.
.
.
.
.
.
.
. 45
Removing
the
control
switch
card
.
.
.
.
.
.
.
.
.
.
.
.
.
.
.
.
.
. 47
Removing
the
power
supply
.
.
.
.
.
.
.
.
.
.
.
.
.
.
.
.
.
.
.
. 48
Removing
the
riser
card
.
.
.
.
.
.
.
.
.
.
.
.
.
.
.
.
.
.
.
.
. 49
Removing
the
planar
.
.
.
.
.
.
.
.
.
.
.
.
.
.
.
.
.
.
.
.
.
.
. 54
Removing
the
UPS
.
.
.
.
.
.
.
.
.
.
.
.
.
.
.
.
.
.
.
.
.
.
. 56
Removing
the
expansion
housing
.
.
.
.
.
.
.
.
.
.
.
.
.
.
.
.
.
. 58
Removing
the
UPS
battery
.
.
.
.
.
.
.
.
.
.
.
.
.
.
.
.
.
.
.
. 60
Removing
the
front
USB
card
.
.
.
.
.
.
.
.
.
.
.
.
.
.
.
.
.
.
. 61
Removing
the
memory
modules
.
.
.
.
.
.
.
.
.
.
.
.
.
.
.
.
.
. 62
Removing
the
front
service
housing
components
(wide
models
only)
.
.
.
.
. 64
Removing
the
system
and
bezel
latches
.
.
.
.
.
.
.
.
.
.
.
.
.
. 64
Removing
the
pull-out
handle
.
.
.
.
.
.
.
.
.
.
.
.
.
.
.
.
.
. 66
Removing
the
cable
guide
.
.
.
.
.
.
.
.
.
.
.
.
.
.
.
.
.
.
.
. 66
Removing
the
cable
guide
arm
assembly
.
.
.
.
.
.
.
.
.
.
.
.
.
. 67
Chapter
3.
Problem
determination
.
.
.
.
.
.
.
.
.
.
.
.
.
.
.
.
. 73
Preliminary
checklist
.
.
.
.
.
.
.
.
.
.
.
.
.
.
.
.
.
.
.
.
.
.
. 73
Problem
isolation
.
.
.
.
.
.
.
.
.
.
.
.
.
.
.
.
.
.
.
.
.
.
.
. 74
Special
tools
requirements
.
.
.
.
.
.
.
.
.
.
.
.
.
.
.
.
.
.
.
. 75
Using
the
RAID
application
.
.
.
.
.
.
.
.
.
.
.
.
.
.
.
.
.
.
.
. 75
Determining
a
hard
drive
failure
.
.
.
.
.
.
.
.
.
.
.
.
.
.
.
.
.
. 75
Replacing
and
rebuilding
a
hard
drive
.
.
.
.
.
.
.
.
.
.
.
.
.
.
. 77
Accessing
the
RAID
setup
menu
.
.
.
.
.
.
.
.
.
.
.
.
.
.
.
.
. 77
Chapter
4.
Diagnostics
and
configuration
settings
.
.
.
.
.
.
.
.
.
. 79
Service
and
diagnostics
.
.
.
.
.
.
.
.
.
.
.
.
.
.
.
.
.
.
.
.
. 79
Using
the
BIOS
setup
program
.
.
.
.
.
.
.
.
.
.
.
.
.
.
.
.
.
.
. 79
Navigation
and
menus
.
.
.
.
.
.
.
.
.
.
.
.
.
.
.
.
.
.
.
.
. 79
Saving
settings
.
.
.
.
.
.
.
.
.
.
.
.
.
.
.
.
.
.
.
.
.
.
.
. 80
Boot
device
order
.
.
.
.
.
.
.
.
.
.
.
.
.
.
.
.
.
.
.
.
.
.
. 80
Restoring
CMOS
default
settings
.
.
.
.
.
.
.
.
.
.
.
.
.
.
.
.
.
. 80
Appendix
A.
Parts
catalog
.
.
.
.
.
.
.
.
.
.
.
.
.
.
.
.
.
.
.
. 83
Assembly
1:
Models
721,
741
and
781
.
.
.
.
.
.
.
.
.
.
.
.
.
.
.
. 84
Assembly
2:
Models
722,
742,
and
782
.
.
.
.
.
.
.
.
.
.
.
.
.
.
.
. 88
Assembly
3:
Slanted
I/O
tray
.
.
.
.
.
.
.
.
.
.
.
.
.
.
.
.
.
.
.
. 92
Assembly
4:
Front
service
assembly
.
.
.
.
.
.
.
.
.
.
.
.
.
.
.
.
. 94
Updated
July
14,
2008
iv
SurePOS
700
Series:
SurePOS
700-721/741/781,
722/742/782
Hardware
Service
Guide
Summary of Contents for 4800-741
Page 2: ......
Page 105: ...Updated July 14 2008 Appendix A Parts catalog 87...
Page 119: ...IBM IBM GA27 4004 GA27 4004 Updated July 14 2008 Appendix B Safety information 101...
Page 135: ...USB DASD optional 16 USB support 16 V video function 15 Updated July 14 2008 Index 117...
Page 143: ......
Page 144: ...Updated July 14 2008 SA27 4329 04...