IBM 3519 Hardware Maintenance Manual Supplement
S84H-7202-00
IBM PC Servers
PC Server Rack
Storage Enclosure - Type 3519
Hardware Maintenance
Manual Supplement
April 1997
Use this supplement with the
PC Servers Hardware
Maintenance Manual
We Want Your Comments!
(Please see page 37)
IBM
Note
Before using this information and the product it
supports, be sure to read the general information
under “Notices” on page 41.
First Edition (May 1997)
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ii PC Server HMM
About This Supplement
This supplement contains the following service information
for the PC Server Rack Storage Enclosure - Type 3519.
Diagnostic information
Parts Listing
This supplement should be used with the advanced
diagnostic tests and the information in the IBM PC Servers
Hardware Maintenance Manual Supplement (part number
70H0751, form number S30H-2501) to troubleshoot
problems effectively.
Important
This manual is intended for trained servicers who are
familiar with IBM PC Server products.
Before servicing an IBM product, be sure to review
“Safety Information” on page 30.
iii
Related Publications
The following publications are available for IBM products.
For more information, contact IBM or your IBM Authorized
Dealer.
For Information About See Publication
PS/2 Computers IBM Personal System/2
Hardware Maintenance
Manual (S52G-9971)
PS/ValuePoint Computers IBM PS/ValuePoint
Hardware Maintenance
Service and Reference
(S61G-1423)
Laptop, Notebook, and
Portable Computers
IBM Mobile Systems
Hardware Maintenance
Manual Volume 1
(S82G-1501)
ThinkPad computers IBM Mobile Systems
Hardware Maintenance
Manual Volume 2
(S82G-1502)
ThinkPad computers IBM Mobile Systems
Hardware Maintenance
Manual Volume 3
(S82G-1503)
Monitors (Displays) IBM Display Hardware
Maintenance Manual
(SA38-0053)
IBM Monitor Hardware
Maintenance Manual
(S71G-4197)
Disk Array technology
overview and using the IBM
RAID Configuration Program
Configuring Your Disk Array
booklet (S82G-1506)
Installation Planning for
Personal System/2
computers
Personal System/2
Installation Planning and
Beyond (S41G-2927)
iv PC Server HMM
Contents
About This Supplement .............. iii
Related Publications . . . . . . . . . . . . . . . iv
PC Server Rack Storage Enclosure - Type 3519 . 1
Features . . . . . . . . . . . . . . . . . . . . . 2
Diagnostics and Test Information ......... 3
Locations . . . . . . . . . . . . . . . . . . . . . 12
Symptom-to-FRU Index . . . . . . . . . . . . . . 24
Parts Listings (PC Server Rack Storage Enclosure -
Type 3519) . . . . . . . . . . . . . . . . . . . 25
Related Service Information ........... 29
Safety Information . . . . . . . . . . . . . . . . 30
Laser Compliance Statement ........... 35
Send Us Your Comments! ............. 37
Problem Determination Tips ............ 38
Phone Numbers, U.S. and Canada ......... 39
Notices . . . . . . . . . . . . . . . . . . . . . . 41
Trademarks . . . . . . . . . . . . . . . . . . . 41
Copyright IBM Corp. 1996, 1997 v
PC Server Rack Storage Enclosure Type 3519
Features . . . . . . . . . . . . . . . . . . . . . 2
Diagnostics and Test Information ......... 3
Power-on Self-Test . . . . . . . . . . . . . . 3
Power-on Sequence . . . . . . . . . . . . . . 4
Power Supply (FRU Number 60H8301) ..... 4
Power Supply Shutdowns .......... 5
SCSI IDs . . . . . . . . . . . . . . . . . . 6
SCSI Repeater Cards ............. 7
Connecting Two Servers and One Storage
Enclosure . . . . . . . . . . . . . . . . 8
Connecting One Server and Two Storage
Enclosures . . . . . . . . . . . . . . . . 9
SCSI Termination . . . . . . . . . . . . . . . 10
Specifications . . . . . . . . . . . . . . . . . 11
Locations . . . . . . . . . . . . . . . . . . . . . 12
Access Cover . . . . . . . . . . . . . . . . . 13
Cable Management Arm Bracket ........ 13
Chassis Draw Bracket ............. 13
Controls and Indicators ............. 14
Expansion Bays . . . . . . . . . . . . . . . . 15
Drive Bays 1 to 3 .............. 16
Hot-Swap Drives Bays 4 through 9 ..... 17
External Connectors . . . . . . . . . . . . . . 18
Front Door . . . . . . . . . . . . . . . . . . 18
Hot-Swap Drive Tray III ............ 19
Keylock Assembly Exploded View ....... 20
Rack Slides . . . . . . . . . . . . . . . . . . 20
SCSI Repeater Card .............. 21
Slide Management Bracket ........... 21
Voltage Setting . . . . . . . . . . . . . . . . 23
Symptom-to-FRU Index . . . . . . . . . . . . . . 24
Parts Listings (PC Server Rack Storage Enclosure -
Type 3519) . . . . . . . . . . . . . . . . . . . 25
System (Model R01) .............. 26
Power Cords . . . . . . . . . . . . . . . . . 27
Copyright IBM Corp. 1996, 1997 1
Features
The features in the storage enclosure vary according to the
model. The following is a summary of the features that are
available with the PC Server Rack Storage Enclosure Type 3519.
Expansion Bays
Nine:
– Six hot-swap
– Up to three slim-high or two half-high non-hot-swap
devices
Options Supported
Up to six slim-high or three half-high hot-swap hard disk drives
Tape autoloader
4/10 GB 3.5-inch DAT tape drive
CD-ROM drive
Security Features
Door lock
Fan failure detection
Integrated Functions
LED usability support
SCSI Repeater Card:
– One card standard
– Supports maximum of two
Power Supply
200-watt with manual voltage selection (100–240 Vac)
Built-in overload and surge protection
Hard Disk Drives
Supports up to six hot-swap and three non-hot-swap
2 PC Server HMM
Diagnostics and Test Information
Important
The service procedures are designed to help you
isolate problems. They are written with the
assumption that you have model-specific training on
all computers, or that you are familiar with the
computers, functions, terminology, and service-related
information provided in this supplement and the PC
Servers Hardware Maintenance Manual (part number
70H0751, form number S30H-2501-01).
The following is a list of problems and references for
diagnosing the PC Server Rack Storage Enclosure - Type
3519.
Problem Reference
Error Codes/Error Messages Refer to the
Symptom-to-FRU Index for
the server that the Storage
Enclosure you are servicing
is connected to.
Fan Light indications See “Controls and
Indicators” on page 14 and
“Symptom-to-FRU Index” on
page 24.
Hot Swap Tray LED
indications
See “Hot-Swap Drive Tray
III” on page 19.
Power Supply Voltages See “Power Supply (FRU
Number 60H8301)” on
page 4.
Setting SCSI IDs See “SCSI IDs” on page 6.
Terminating a SCSI chain See “SCSI Termination” on
page 10.
Power-on Self-Test
When you power-on the server, it performs a series of
tests to check the operation of the system, including the
drives and other components of the storage enclosure.
This series of tests is called the
power-on self-test
, or
POST
. If the tests indicate a problem, a message appears
on the server's information panel or display.
Rack Storage Enclosure - Type 3519 3
Power-on Sequence
Note
For normal operation, power on the server; then,
power on the expansion enclosure.
The expansion enclosure can be powered on without
connecting it to a server. However, the expansion
enclosure must be connected to a server before the drives
installed in the enclosure can be used.
Power Supply (FRU Number 60H8301)
Note
Verify that the voltage-select switch is set for the
correct voltage. If the voltage switch is set to the
wrong position, permanent damage might occur to the
rack when you power it on.
If the power-on indicator is not on, and the power-supply
fan is not running, check the power cord for proper
installation and continuity.
If the power cord is OK, either the power supply is
defective or a defective device is causing the power supply
to shut off. Check the power supply voltages.
The power supply is rated at 200 watts. Too many
devices (adapters or hard disk drives) can cause power
consumption to exceed 200 watts and cause the power
supply to shut down. See “Power Supply Shutdowns” on
page 5. Remove adapters or devices to determine if this
is the cause.
If the voltages are incorrect, replace the power supply.
DASD Connectors P1, P2, P3, P4, P5, P6, P7, P8
14
Aux SCSI Board Power Connectors P9, P10
41
−Lead
Pin
+Lead
Pin
V dc
Minimum
V dc
Maximum
2
3
1
4
+11.52V
+4.8V
+12.6V
+5.25V
−Lead
Pin
+Lead
Pin
V dc
Minimum
V dc
Maximum
2
3
1
4
+11.52V
+4.8V
+12.6V
+5.25V
4 PC Server HMM
Switch Board Connector P11
5
1
Power Supply Shutdowns:
If the power supply shuts down, or
appears
to fail at
power-on, you might have one of the following problems:
Too many devices are set to start instantly. See
“Setting the Motor-Start Jumper” on page 414 in the
PS/2 Hardware Maintenance Manual.
There are too many large-capacity devices installed
(such as hard disk drives). The nominal operating
current of the devices installed collectively exceeds
the available current of the power supply. See the
“Personal System/2 Installation Planning” guide (form
number S41G-2927) for more information.
Also ensure that the fans operate when the machine is
powered on.
Note
Verify that the voltage-select switch (if applicable) is
set for the correct voltage.
−Lead
Pin
+Lead
Pin
V dc
Minimum
V dc
Maximum
5
5
4
3
+11.52V
+4.8V
+12.6V
+5.25V
Rack Storage Enclosure - Type 3519 5
SCSI IDs: Each SCSI device installed in the storage
enclosure must have a unique SCSI identifier (ID). This
unique ID enables the SCSI controller to recognize the
device. This SCSI ID also prevents two devices from
attempting to send or receive data on the SCSI bus at the
same time. IBM PC Server SCSI controllers use ID 7.
Therefore, you must not assign ID 7 to any device that you
install in the storage enclosure. SCSI devices support the
following IDs:
Narrow devices support SCSI IDs 0 to 6.
Wide devices support 0 to 6 or 8 to 15.
When you install a hot-swap drive, the backplane behind
bays 4 through 9 automatically assigns the drive its SCSI
ID. However, when you install a drive in bays 1 through 3,
you must set a unique SCSI ID for the drive that does not
conflict with any of the IDs that the backplane assigns to
drives in bays 4 through 9.
Depending on the setting of the SCSI ID address jumper
(J12) on the rear of the backplane, the backplane sets the
SCSI IDs for bays 4 through 9. SCSI IDs 8 to 13 are the
default IDs for the hot-swap drives. SCSI IDs 0 to 5 are
also available for the hot-swap drives.
The SCSI ID address jumper, a pin block with four pairs of
pins (J12), is located on the rear of the backplane. The
default, cover installed on the HI ID N pins, sets the
addresses to HI.
J12
The backplane sets the SCSI IDs for bays 4 through 9 as
follows:
LO Settings HI Settings (default)
Bay SCSI ID
4 0
5 1
6 2
7 3
8 4
9 5
Bay SCSI ID
4 8
5 9
6 10
7 11
8 12
9 13
6 PC Server HMM
The following table summarizes the jumper settings for the
SCSI ID address jumper (J12).
Refer to the documentation that came with the drive for
information about setting its SCSI ID.
If the storage enclosure is attached to a RAID adapter,
refer to the information that came with the adapter for
SCSI ID requirements.
Jumper Position Description
LO
J12
SYS RST
ID REV
HI ID N
HP PULSE N
No cover installed on the HI
ID N pins, sets SCSI IDs to
LO.
HI
J12
SYS RST
ID REV
HI ID N
HP PULSE N
Sets SCSI IDs to HI. Use
this setting, cover installed
on the HI ID N pins, when
you install narrow
non-hot-swap devices and
the configuration requires
you to define some
non-hot-swap devices with
high IDs. This is the default
setting.
SCSI Repeater Cards
Note
If you connect the storage enclosure to a
non-disk-array server, the SCSI bus must be
dedicated to the storage enclosure. That is, you
cannot connect other devices to the SCSI bus.
The storage enclosure comes equipped to connect to one
server. To connect:
Two servers and one storage enclosure, see
“Connecting Two Servers and One Storage
Enclosure” on page 8.
One server and two storage enclosures, see
“Connecting One Server and Two Storage
Enclosures” on page 9.
Rack Storage Enclosure - Type 3519
7
Connecting Two Servers and One Storage
Enclosure: To install a second SCSI Repeater Card
to connect two servers and the storage enclosure, do the
following.
1. Set the SCSI ID address jumper on the backplane of
the storage enclosure to HI. See “SCSI IDs” on
page 6 for information on the SCSI ID address
jumper.
2. Assign a unique SCSI ID to the SCSI controller of
each server. For example, if the SCSI controller in
both servers is set to 7, set the SCSI ID of one SCSI
controller to 6.
3. Install the SCSI Repeater Card in the expansion
enclosure.
4. Connect the power cable to the SCSI Repeater Card.
5. Connect one end of the SCSI option cable to the
internal SCSI connector on the SCSI Repeater Card;
then, connect the other end of the cable to the
backplane on the storage enclosure.
External SCSI
Connector
Power Connector
Internal SCSI
Connector
SCSI Knockout
Panel
8 PC Server HMM
Connecting One Server and Two Storage
Enclosures
Note
You must have a Y-cable available for connecting the
server and storage enclosures. The Y-cable can be
ordered from an IBM marketing representative or an
IBM reseller.
To connect the storage enclosure to one server and
another storage enclosure, do the following.
1. Set jumpers (J3 and J6) on the SCSI Repeater Card.
J3
J6
The default settings for both jumpers is ON (covers
on each jumper). The following table summarizes the
jumper settings for the SCSI Repeater Card jumpers.
Jumper Description
J3 Leave the jumper in the ON
position.
J6 Use the OFF position (cover
removed) to connect the
storage enclosure to the
double connector of a
Y-cable.
Use the ON position (cover in
place) in all other cases.
Rack Storage Enclosure - Type 3519 9
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