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IBM 86626RY Hardware Maintenance Manual - Page 223

SCSI IDs, identification ID so that the controller can identify

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Notes 1. Any information about SCSI drives also applies to other SCSI devices, such as tape drives. 2. If you plan to install both internal and external SCSI devices, you must follow the instructions in "External options" on page 188, in addition to these instructions. A 16-bit (wide) SCSI cable connects the hot-swap backplane to one channel of the integrated RAID SCSI controller on the system board. The other channel of the integrated RAID SCSI controller is connected to the SCSI connector on the back of the server. A 16-bit SCSI cable with connectors for optional devices in bays A and B is folded and restrained with a cable clamp to the bottom of the server between the open bays and the power supply area. This cable has a terminator on one end. If you want to install a device in bay A or B, you can either: Install an additional SCSI adapter Disconnect the cable from the RAID channel 1 connector on the system board (see "System board component locations" on page 279). (This cable goes to the external SCSI connector on the back of the server, so you will not be able to attach external SCSI devices using the external SCSI connector.) Use the 16-bit SCSI cable to connect the device in bay A or B to the RAID channel 1 connector on the system board. SCSI IDs: Each SCSI device that is connected to an individual channel of the RAID controller needs a unique identification (ID) so that the controller can identify the devices and ensure that different devices do not attempt to transfer data at the same time. (The two channels of the integrated RAID controller operate independently.) If you need to set IDs for SCSI devices, refer to the instructions that come with those devices. The server automatically sets SCSI IDs for hot-swap hard disk drives, according to the jumper settings on the SCSI backplanes. The server uses the hard disk drive SCSI IDs to send status information to the indicator lights above each hot-swap bay. The SCSI backplane in the server supports up to six hot-swap bays. Table 11 on page 216 shows the default SCSI IDs that the backplane assigns for hot-swap hard disk drives. Netfinity 5500 M20 - Type 8662 215

Section	Page
Contents	7
Netfinity 5500 M20 - Type 8662	9
General checkout	16
Diagnostic tools	19
Features	25
Configuring the server	27
Configuration overview	28
Configuration/Setup Utility program	29
System information:	31
System security:	33
Start options:	37
Advanced setup:	37
Plug and Play:	39
Error logs:	39
Save settings:	40
Configuring options	40
Configuring ISA and PCI adapters	41
Resolving configuration conflicts	41
Configuring the ethernet controller	43
Ethernet cable specifications	44
Ethernet connection problems	47
Failover for redundant Ethernet	48
Additional service information	52
Light path diagnostics	56
Netfinity Advanced System Management Processor	60
Software installation	68
Specifications	69
Using the ServeRAID Advanced Configuration Functions	71
ServeRAID system board controller	74
Understanding RAID technology	75
ServeRAID Configuration Program	78
ServeRAID Mini-Configuration Program	102
ServeRAID Administration and Monitoring Program	106
ServeRAID administration functions	111
ServeRAID monitoring functions	123
ServeRAID IPSSEND program (starting)	127
ServeRAID IPSMON program (starting)	136
ServeRAID device drivers and utility programs (installation)	138
ServeRAID programs for Windows NT and Windows 95	139
ServeRAID background-server components	139
Installing the ServeRAID WIN32-based program	141
Installing ServeRAID device drivers	142
Starting the ServeRAID background-server components	159
IPSSEND and IPSMON programs	162
Locations/Removals	168
Adapters	169
Battery replacement	181
Changing jumper positions	184
Completing the installation	186
Controls and indicators	189
CD-ROM drive	192
DASD backplane removal	194
Diagnostics panel LEDs	195
External options	196
Connecting external SCSI devices:	196
Input/output ports and connectors:	196
Front bezel removal	203
Hot-swap power supply installation	204
Hot-swap power supply removal	208
Hot-swap fan assembly replacement	210
Information LED panel	213
Information LED panel assembly removal	216
Input/output connectors and expansion slots	217
Interior LED and speaker assembly	220
Internal drives installation	221
Installing devices in the NetBAY3	233
Memory board component locations	238
Memory board jumpers	239
Memory board removal	240
Memory modules	242
Microprocessor installation	246
Preparing to install options	254
Power backplane removal	257
Power supplies	258
Power supply LEDs	259
Power supply filler panel	260
NetBAY3 bezel installation	261
Processor board component locations	262
Processor board jumpers	263
Processor board removal	265
Processor support tray removal	267
Processor support tray installation	269
Rack installation	270
SCSI backplane component locations	281
SCSI backplane option jumpers	282
Server cabling	283
Server door and trim bezels removal	284
Shuttle removal	285
Side cover(s) removal	286
System board component locations	287
System board jumpers	288
System board removal	290
Top cover removal	292
Symptom-to-FRU index	293
Beep symptoms	294
No beep symptoms	296
Information panel system error LED	298
Diagnostic error codes	301
Error symptoms	308
Power supply LED errors	309
POST error codes	312
SCSI error codes	319
ServeRAID controller error codes/messages	320
ServeRAID POST error codes	322
ServeRAID POST error procedures	322
ServeRAID Startup Messages	326
Undetermined problems	333
Parts listing (Type 8662)	335
System	337
Keyboards	343
Power cords	345
Related service information	347
Safety information	348
Problem determination tips	381
Notices	384

Match case Limit results 1 per page

Notes

Any information about SCSI drives also applies to

other SCSI devices, such as tape drives.

If you plan to install both internal and external

SCSI devices, you must follow the instructions in

“External options” on page

188, in addition to

these instructions.

A 16-bit (wide) SCSI cable connects the hot-swap

backplane to one channel of the integrated RAID SCSI

controller on the system board.

The other channel of the

integrated RAID SCSI controller is connected to the SCSI

connector on the back of the server.

A 16-bit SCSI cable with connectors for optional devices in

bays A and B is folded and restrained with a cable clamp

to the bottom of the server between the open bays and the

power supply area.

This cable has a terminator on one

end.

If you want to install a device in bay A or B, you can

either:

Install an additional SCSI adapter

Disconnect the cable from the RAID channel 1

connector on the system board (see “System board

component locations” on page

279).

(This cable

goes to the external SCSI connector on the back of

the server, so you will not be able to attach external

SCSI devices using the external SCSI connector.)

Use the 16-bit SCSI cable to connect the device in

bay A or B to the RAID channel 1 connector on the

system board.

SCSI IDs:

Each SCSI device that is connected to an

individual channel of the RAID controller needs a unique

identification (ID) so that the controller can identify the

devices and ensure that different devices do not attempt to

transfer data at the same time.

(The two channels of the

integrated RAID controller operate independently.)

If you

need to set IDs for SCSI devices, refer to the instructions

that come with those devices.

The server automatically sets SCSI IDs for hot-swap hard

disk drives, according to the jumper settings on the SCSI

backplanes.

The server uses the hard disk drive SCSI IDs

to send status information to the indicator lights above

each hot-swap bay.

The SCSI backplane in the server supports up to six

hot-swap bays.

Table

11 on page

216 shows the default

SCSI IDs that the backplane assigns for hot-swap hard

disk drives.

Netfinity 5500 M20 - Type 8662

215