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Cisco UCS S3260 Storage Server Chassis Installation and Service Guide
Chapter 1 Overview
Replaceable Component Locations
Components Inside the System I/O Controller
This section shows the locations of the replaceable components that are inside the system I/O controller
(SIOC), which is accessible from the rear of the chassis.
• The Version 02 SIOC (UCSC-S3260-SIOC) uses an integrated Cisco UCS VIC 1300 Series chip
on-board, so there is no removable adapter card. The only replaceable component is an RTC battery.
• The Version 03 SIOC (UCS-S3260-PCISIOC) uses a removable PCIe-style adapter card
(half-height, half-length, Gen-3, x8 lane). It also supports up to two 2.5-inch NVMe SSDs and an
RTC battery.
Note The Version 03 SIOC is supported only with S3260 M5 server node. It is not supported with
earlier server nodes.
Figure 1-4 Replaceable Components Inside the Version 02 SIOC (UCSC-S3260-SIOC)
Figure 1-5 Replaceable Components Inside the Version 03 SIOC (UCS-S3260-PCISIOC)
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1 RTC battery CR1632
1 PCIe-style adapter card plugs into
horizontal socket
3 Up to two 2.5-inch NVMe SSDs plug into two horizontal
sockets (both SSDs are secured to a single drive sled).
2 RTC battery CR1632
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