All numbers for Table 1a/b/c are for internal DRAM/Flash only. For Flash Cards/Disks, see Table 4.
Column "E?" is a field that indicates if the unit supports external flash memory (See Table 4). Memory given as 'standard' (Std) will always be sold as an optimal configuration - for example, the 3660 comes with 32Mb DRAM default, and this is given as a single 32Mb module, instead of 2 x 16Mb. This is always the case unless there is a severe memory component shortage.
806's and 826's used to come with less DRAM (16Mb) standard. Routers shipped after April 2002 come with 32Mb as default (and maximum).
Newer 8xx's come with internal flash where 2Mb is devoted to the web installer. This is unusable for system images, and is not counted in the table for that very reason.
2500's used to ship with 2Mb DRAM fixed to the motherboard, so some older models may report 2Mb more than normal. AS2500's also ship with either 4 or 8Mb DRAM standard, depending on IOS ordered.
Memory Tables - Table 2 - Midrange/Access Routers
Notes - Midrange/Access Routers
2610-21's were first shipped with 16Mb DRAM, then 24Mb, and now are standardized on 32Mb.
262x's assembled prior to March, 2001 used a bootROM incompatible with the 32Mb Flash module from the 265x series and must be upgraded to the new bootrom to be able to use this module.
36xx routers shipped prior to mid-May of 2002 shipped with 8Mb default flash memory.
On any 4x00M, all 2-slot memory locations must have either a single chip installed or have equal-size chips installed.
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