IBM z13s - Pcie I;O Drawer and I;O Drawer Features; Z13 S (One CPC Drawer) I;O Drawer Configurations; Z13 S (Two CPC Drawers) I;O Drawer Configurations

38 IBM z13s Technical Guide
In Figure 2-2, the various I/O drawer configurations are displayed when one CPC drawer is
installed for both Model N10 and N20. The view is from the rear of the A frame.
򐂰 PCIe drawers are installed from the top down
򐂰 An I/O drawer (legacy) is only present during a MES carry forward and is always at the
bottom of the frame.
Figure 2-2 z13s (one CPC drawer) I/O drawer configurations
In Figure 2-3, the various I/O drawer configurations are displayed when two CPC drawers are
installed for the Model N20 only. The view is from the rear of the A frame.
򐂰 PCIe drawers are installed from the top down
򐂰 I/O drawer (legacy) is only present during a MES carry forward, and is always at the
bottom of the frame.
Figure 2-3 z13s (two CPC Drawers) I/O Drawer Configurations
2.1.2 PCIe I/O drawer and I/O drawer features
Each CPC drawer has PCIe Generation3 fanout slots and InfiniBand fanout slots to support
two types of I/O infrastructure for data transfer:
򐂰 PCIe I/O infrastructure with a bandwidth of 16 GBps
򐂰 InfiniBand I/O infrastructure with a bandwidth of 6 GBps
N10/N20(1)
BPA
CPC
1
6
13
21
25
29
31
39
41
42
N10/N20(1)
BPA
CPC
PCIe
I/O Drawer
1
6
13
21
25
29
31
39
41
42
N10/N20(1)
BPA
CPC
I/O Drawer
PCIe
I/O Drawer
1
6
13
21
25
29
31
39
41
42
N20(1)
BPA
CPC
PCIe
I/O Drawer
PCIe
I/O Drawer
1
6
13
21
25
29
31
39
41
42
N20(1)
BPA
CPC
PCIe
I/O Drawer
I/O Drawer
PCIe
I/O Drawer
1
6
13
21
25
29
31
39
41
42
N20(2) N20(2) N20(2)
BPA
CPC
PCIe
I/O Drawer
PCIe
I/O Drawer
CPC
1
6
13
21
25
29
31
39
41
42
BPA
CPC
PCIe
I/O Drawer
CPC
1
6
13
21
25
29
31
39
41
42
BPA
CPC
CPC
1
6
13
21
25
29
31
39
41
42
BPA
CPC
I/O Drawer
PCIe
I/O Drawer
CPC
1
6
13
21
25
29
31
39
41
42
N20(2)