PCITHRU Feature Card
7017 6300–005
5–15
PCITHRU Feature Card
The PCITHRU card (style PCI3-FTH) permits expanded use of a server connected CSBus
by allowing the server to be connected to a channel rack slot (internal or external), thus
enabling connection of additional channels to the same CSBus. See Figure 5–8 for a
representative example. Note the PCITHRU card in the internal CS-4/R3 slot used is to
connect Server A to Domain 0. Slot three is depicted since the default jumper position on
the PCI Bridge Boards shipped from the factory is jumper position 4 which corresponds to
a relative channel slot position of three. Slots 1 and 2 can be used, but require a change to
the jumper position on the PCI Bridge card , see Figure 5–9. Also note in Figure 5–8 that
Server B and Server D are connected to CS-3 in Domain 1 via PCITHRU cards installed in
slots A1 and A2 of the Remote Channel Rack.
0714B
B0
P1
P2
P3
M
A
I
N
T
L
A
N
Domain 1
CS-5
R1
CMF0
CS-5
R2
CS-5
R3
CS-5
R4
B1
B2
B3
B4
B5
CMF1
CMF2
CMF3
CS-5
R7
CS-5
R8
CA322-
S
C
I
CA322-
S
C
I
A5
P1
P2
P3
M
A
I
N
T
L
A
N
Domain 0
CS-5
R1
CMF0
CS-5
R2
CS-5
R4
CS-5
R3
CMF1
CMF2
CMF3
CS-5
R8
CS-5
R7
CA322-
S
C
I
CA322-
S
C
I
CA626-
B
A
S
A4
A3
A2
A1
A0
B8
BT
B7
B6
B5
B0
AT
A4
A3
A2
A1
A0
D8
DT
D7
D6
D5
D0
CT
C4
C3
C2
C1
C0
Remote Channel Rack
CS-0
CS-0
To Server D's
PCI Bridge card
(Via CSB3-15C cable)
CS-3
CS-3
Terminator
*
*
*
Jumper
CSB3-20C Cable Assembly
Feedthru
*
*
CS-4
R1
CS-4
R2
CS-4
R3
CS-4
R4
CS-4
R1
CS-4
R2
CS-4
R3
CS-4
R4
CMF0
CMF1
CMF2
CMF3
B6
A8
B7
B8
A7
A6
CMF0
CMF1
CMF2
CMF3
CA626-
B
A
S
B9
A9
To Server B's
PCI Bridge card
(Via CSB3-15C cable)
To Server C's
PCI Bridge card
(Via CSB3-15C cable)
PCI3-FTH
To Server A's
PCI Bridge card
(Via CSB3-15C cable)
P
C
I3
-FTH
PCI3-FTH
For NX5820, IOU functionality only.
For NX5820 K, Multi-IOU functionality
only in Domain 0 or TCU functionality
only in Domain 1.
Figure 5–8. Dual Domain Typical PCITHRU Card Location in the Internal and External Channel
Racks
Содержание NX5820 K
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