Hello.
When I do the test (test settings button), the test fails. Because of this when I keep the project files are not saved .cfg. This is what the test shows (I use GNS3 0.8.7 with Windows 7):
Thank you very much.

Cisco Router Simulation Platform (version 0.2.12-x86/Windows stable)
Copyright (c) 2005-2011 Christophe Fillot.
Build date: Mar 28 2014 12:41:27
Local UUID: 923d3978-747c-46fb-be72-7c9af7dc511b
Virtual RAM size set to 128 MB.
Idle PC set to 0x0.
IOS image file: D:\Alejandro\Universidad\Curso 2014-2015\Arquitectura Redes\AR-i
mages-cisco\C3660-I-Mz_20121-5_20T8.image
ILT: loaded table "mips64j" from cache.
ILT: loaded table "mips64e" from cache.
ILT: loaded table "ppc32j" from cache.
ILT: loaded table "ppc32e" from cache.
CPU0: carved JIT exec zone of 16 Mb into 512 pages of 32 Kb.
C3600 instance 'default' (id 0):
VM Status : 0
RAM size : 128 Mb
NVRAM size : 128 Kb
Chassis : 3640
IOS image : D:\Alejandro\Universidad\Curso 2014-2015\Arquitectura Redes\AR-im
ages-cisco\C3660-I-Mz_20121-5_20T8.image
cygwin warning:
MS-DOS style path detected: D:\Alejandro\Universidad\Curso 2014-2015\Arquitect
ura Redes\AR-images-cisco\C3660-I-Mz_20121-5_20T8.image
Preferred POSIX equivalent is: /cygdrive/d/Alejandro/Universidad/Curso 2014-20
15/Arquitectura Redes/AR-images-cisco/C3660-I-Mz_20121-5_20T8.image
CYGWIN environment variable option "nodosfilewarning" turns off this warning.
Consult the user's guide for more details about POSIX paths:
http://cygwin.com/cygwin-ug-net/using.h ... -pathnamesLoading ELF file 'D:\Alejandro\Universidad\Curso 2014-2015\Arquitectura Redes\AR
-images-cisco\C3660-I-Mz_20121-5_20T8.image'...
ELF entry point: 0x80008000
C3600 'default': starting simulation (CPU0 PC=0xffffffffbfc00000), JIT enabled.
ROMMON emulation microcode.
Launching IOS image at 0x80008000...
Invalid iomem value in ROM (5). Smart-init will
now run to compute a valid value
iomem percentage may need to be reset manually
Smart Init is enabled
smart init is sizing iomem
ID MEMORY_REQ TYPE
000000 UNKNOWN port adapter
0X0010A6F8 public buffer pools
0X00211000 public particle pools
TOTAL: 0X0031B6F8
If any of the above Memory Requirements are
"UNKNOWN", you may be using an unsupported
configuration or there is a software problem and
system operation may be compromised.
Rounded IOMEM up to: 4Mb.
Using 3 percent iomem. [4Mb/128Mb]
GT64120: Device ID error, got 0x4601
Error, bridge 1 not DEC21152, returned 0x0
Error, bridge 2 not DEC21152, returned 0x0
Error, bridge 3 not DEC21152, returned 0x0
Error, bridge 4 not DEC21152, returned 0x0
Error, bridge 5 not DEC21152, returned 0x0
Error, bridge 6 not DEC21152, returned 0x0
Wrong system software for this hardware
ROM: reload requested...
% No memory map for code execution at 0x0
% Unable to create instruction block for vaddr=0x0
insn_page_compile: unable to create JIT block.
VM 'default': unable to compile block for CPU0 PC=0x0
Shutdown in progress...
Shutdown completed.
C:\Users\ALEJAN~1\AppData\Local\Temp>