IBM 4765 product support
This page provides product support information for customers of IBM’s 4765 hardware security module (HSM).
Note: IBM no longer markets the 4765. Support has ended on IBM Z and x86. See Hardware Withdrawal: IBM Cryptographic Coprocessor. For additional information, please contact Crypto.
The IBM 4765 was available on these platforms:
- IBM Z® mainframes as crypto feature Crypto Express4S (CEX4S), feature code (FC) 0865, and as Crypto Express 3C (CEX3C), FC 0864,
- IBM-approved x86 servers as an IBM Z machine type-model 4765-001 (4765), and
- IBM Power Systems™ (System p or System i®) POWER6® and POWER7® servers.
See IBM 4765 Overview for a list of supported operating systems.
The following lists topics related to the IBM 4765 and a link for each topic to a page or downloadable PDF that provides information on that topic. The topics are grouped by hardware, software, and information of a general nature.

Hardware
Use this list of hardware topics to find out how to:
- Learn about the HSM and its specifications
- Obtain performance measurements
- Determine which x86 servers are supported
- IBM 4765 Hardware Withdrawal: IBM Cryptographic Coprocessor
- Order a 4765 battery replacement kit, which is required to safely replace the on-board batteries (note that this is the same kit as for a 4767)
- Order optional smart card readers (PDF, 2.3 MB) so that you can manage CCA DES and PKA master keys on supported smart cards, and log on to CCA using smart card CCA profiles
- Maintain the on-board batteries of the 4765 (PDF, 725 KB), which are a critical component
- Safely remove and replace the on-board batteries of a 4765, and properly recycle or dispose of the old batteries (PDF, 725 KB)
- Install a 4765 in your x86 server (PDF, 725 KB), after installing the host software first
- Transport or ship a 4765 (PDF, 725 KB)
- Load and unload 4765 firmware (PDF, 1.4 MB)
- Set up the cryptographic node (PDF, 1.4 MB)
- Report a problem
Software
Use this list of software topics to find out how to:
General
Use this list of general topics to find out how to:
- Keep abreast of the latest news about Cryptocards
- Find education on a variety of HSM and CCA related subjects
- Ask the Crypto team a question, or make a comment