Symptom
A C8300 will display the incorrect amount of physical memory installed while running ROMMON version 17.6(6.1r):
Router#sh ver
Cisco IOS XE Software, Version 17.09.04a
Cisco IOS Software [Cupertino], c8000be Software (X86_64_LINUX_IOSD-UNIVERSALK9-M), Version X.X.X, RELEASE SOFTWARE (fc3)
Technical Support: http://www.cisco.com/techsupport
Copyright (c) 1986-2023 by Cisco Systems, Inc.
Compiled Fri 20-Oct-23 10:53 by mcpre
ROM: 17.6(6.1r) <<<< OCCURS ON ROMMON VERSION 17.6(6.1r)
cisco C8300-2N2S-4T2X (2RU) processor with 3701723K/6147K bytes of memory.
Processor board ID FLM2728132T
Router operating mode: Autonomous
4 Gigabit Ethernet interfaces
2 Ten Gigabit Ethernet interfaces
32768K bytes of non-volatile configuration memory.
7340032K bytes of physical memory. <<<< SHOULD BE 8388608K bytes of physical memory.
7573503K bytes of flash memory at bootflash:.
15253504K bytes of M.2 USB at harddisk:.
Conditions
C8300 2RU platform running Rommon 17.6(6.1r)
Note: This does not affect C8300 1RU platforms.
Workaround
This issue is purely cosmetic, and there is no workaround required.