IBM RS/6000 7025 manual Processor Bus

Ÿ The EF value identifies a connector.

ŸThe GH value identifies a port, address, device, or FRU.

Adapters and cards are identified with just AB-CD.

The possible values for AB are:

00

Processor

bus

01

ISA

bus

02

EISA

bus

03

MCA bus

04

PCI

bus

used in

the

case

where the

PCI

bus cannot

be identified

05

PCMCIA

buses

xy

For

PCI

adapters

where x

is

equal to

or

greater than 1. The x and

y are

characters

range

of

0-9, A-H,

J-N,

P-Z (O, I, and lower

case are

omitted) and are

equal

to the paren

bus's

ibm,

aix-loc

Open

Firmware

Property.

The possible values for CD depend on the adapter/card.

For pluggable		PCI	adapters/cards,		CD is the device's devfunc number (PCI device
number	times	8, plus		the function	number). The C and D are characters in the rang
of 0-9, and A-F (hex numbers). This					allows the location code to uniquely identify
multiple	adapters		on	individual PCI	cards.

For pluggable ISA adapters, CD is equal to the order the ISA cards defined/configured either by SMIT or the ISA Adapter Configuration Service Aid.

For integrated ISA adapters, CD					is equal to a unique		code identifying the ISA
adapter. In most cases this is					equal	to the adapter's physical location code.
where		a	physical	location code	is not	available, CD will be FF.
EF	is	the	connector	ID. It is	used to	identify the	adapter's connector that a
is	attached to.

GH is used to identify a port, device, or FRU. For example:

Ÿ For async devices GH defines the port on the fanout box. The values are 00 15.

Ÿ For a diskette drive H defines which diskette drive 1 or 2. G is always

Ÿ For all other devices GH is equal to 00.

For	integrated	adapter, EF-GH is the	same as the definition for a	pluggable ada
For	example, the location code for a		diskette drive is 01-D1-00-00. A	second
diskette drive		is 01-D1-00-01.

For SCSI the location code is defined as:

Chapter 6. Using the Online and Standalone Diagnostics6-21