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1720 flash boot ?

Hi Friends,

I am having 1720 router but it does not boot without flash does flash card neccessary for 1720 router to boot?

This message keeps on coming ....

System Bootstrap, Version 12.0(1)XA1, RELEASE SOFTWARE (fc1)

Copyright (c) 1998 by cisco Systems, Inc.

TAC:Home:SW:IOS:Specials for info

unknown flash device - mandev code = 0xffff

cannot read flash info

C1700 platform with 16384 Kbytes of main memory

bus error while trying to access flash - addr = 0x60000000

cannot read flash info

getdevnum warning: device "flash" has size of zero

bus error while trying to access flash - addr = 0x60000000

cannot read flash info

getdevnum warning: device "flash" has size of zero

open: read error...requested 0x4 bytes, got 0x0

trouble reading device magic number

boot: cannot open "flash:"

boot: cannot determine first file name on device "flash:"

ý

System Bootstrap, Version 12.0(1)XA1, RELEASE SOFTWARE (fc1)

Copyright (c) 1998 by cisco Systems, Inc.

TAC:Home:SW:IOS:Specials for info

unknown flash device - mandev code = 0xffff

cannot read flash info

C1700 platform with 16384 Kbytes of main memory

bus error while trying to access flash - addr = 0x60000000

cannot read flash info

getdevnum warning: device "flash" has size of zero

bus error while trying to access flash - addr = 0x60000000

cannot read flash info

getdevnum warning: device "flash" has size of zero

open: read error...requested 0x4 bytes, got 0x0

trouble reading device magic number

boot: cannot open "flash:"

boot: cannot determine first file name on device "flash:"

ý

System Bootstrap, Version 12.0(1)XA1, RELEASE SOFTWARE (fc1)

Copyright (c) 1998 by cisco Systems, Inc.

TAC:Home:SW:IOS:Specials for info

unknown flash device - mandev code = 0xffff

cannot read flash info

C1700 platform with 16384 Kbytes of main memory

bus error while trying to access flash - addr = 0x60000000

cannot read flash info

getdevnum warning: device "flash" has size of zero

bus error while trying to access flash - addr = 0x60000000

cannot read flash info

getdevnum warning: device "flash" has size of zero

open: read error...requested 0x4 bytes, got 0x0

trouble reading device magic number

boot: cannot open "flash:"

boot: cannot determine first file name on device "flash:"

ý

System Bootstrap, Version 12.0(1)XA1, RELEASE SOFTWARE (fc1)

Copyright (c) 1998 by cisco Systems, Inc.

TAC:Home:SW:IOS:Specials for info

unknown flash device - mandev code = 0xffff

cannot read flash info

C1700 platform with 16384 Kbytes of main memory

bus error while trying to access flash - addr = 0x60000000

cannot read flash info

getdevnum warning: device "flash" has size of zero

bus error while trying to access flash - addr = 0x60000000

cannot read flash info

getdevnum warning: device "flash" has size of zero

open: read error...requested 0x4 bytes, got 0x0

trouble reading device magic number

boot: cannot open "flash:"

boot: cannot determine first file name on device "flash:"

ý

System Bootstrap, Version 12.0(1)XA1, RELEASE SOFTWARE (fc1)

Copyright (c) 1998 by cisco Systems, Inc.

TAC:Home:SW:IOS:Specials for info

unknown flash device - mandev code = 0xffff

cannot read flash info

C1700 platform with 16384 Kbytes of main memory

bus error while trying to access flash - addr = 0x60000000

cannot read flash info

getdevnum warning: device "flash" has size of zero

bus error while trying to access flash - addr = 0x60000000

cannot read flash info

getdevnum warning: device "flash" has size of zero

open: read error...requested 0x4 bytes, got 0x0

trouble reading device magic number

boot: cannot open "flash:"

boot: cannot determine first file name on device "flash:"

ý

System Bootstrap, Version 12.0(1)XA1, RELEASE SOFTWARE (fc1)

Copyright (c) 1998 by cisco Systems, Inc.

TAC:Home:SW:IOS:Specials for info

unknown flash device - mandev code = 0xffff

cannot read flash info

C1700 platform with 16384 Kbytes of main memory

bus error while trying to access flash - addr = 0x60000000

cannot read flash info

getdevnum warning: device "flash" has size of zero

bus error while trying to access flash - addr = 0x60000000

cannot read flash info

getdevnum warning: device "flash" has size of zero

open: read error...requested 0x4 bytes, got 0x0

trouble reading device magic number

boot: cannot open "flash:"

boot: cannot determine first file name on device "flash:"

ý

System Bootstrap, Version 12.0(1)XA1, RELEASE SOFTWARE (fc1)

Copyright (c) 1998 by cisco Systems, Inc.

TAC:Home:SW:IOS:Specials for info

unknown flash device - mandev code = 0xffff

cannot read flash info

C1700 platform with 16384 Kbytes of main memory

bus error while trying to access flash - addr = 0x60000000

cannot read flash info

getdevnum warning: device "flash" has size of zero

bus error while trying to access flash - addr = 0x60000000

cannot read flash info

getdevnum warning: device "flash" has size of zero

open: read error...requested 0x4 bytes, got 0x0

trouble reading device magic number

boot: cannot open "flash:"

boot: cannot determine first file name on device "flash:"

ý

System Bootstrap, Version 12.0(1)XA1, RELEASE SOFTWARE (fc1)

Copyright (c) 1998 by cisco Systems, Inc.

TAC:Home:SW:IOS:Specials for info

unknown flash device - mandev code = 0xffff

cannot read flash info

C1700 platform with 16384 Kbytes of main memory

bus error while trying to access flash - addr = 0x60000000

cannot read flash info

getdevnum warning: device "flash" has size of zero

bus error while trying to access flash - addr = 0x60000000

cannot read flash info

getdevnum warning: device "flash" has size of zero

open: read error...requested 0x4 bytes, got 0x0

trouble reading device magic number

boot: cannot open "flash:"

boot: cannot determine first file name on device "flash:"

ý

System Bootstrap, Version 12.0(1)XA1, RELEASE SOFTWARE (fc1)

Copyright (c) 1998 by cisco Systems, Inc.

TAC:Home:SW:IOS:Specials for info

System Bootstrap, Version 12.0(1)XA1, RELEASE SOFTWARE (fc1)

Copyright (c) 1998 by cisco Systems, Inc.

TAC:Home:SW:IOS:Specials for info

PC = 0xfff0be54, Vector = 0x500, SP = 0xff0027c8

PC = 0xfff0be54, Vector = 0x500, SP = 0xff0027b0

unknown flash device - mandev code = 0xffff

cannot read flash info

C1700 platform with 16384 Kbytes of main memory

bus error while trying to access flash - addr = 0x60000000

cannot read flash info

getdevnum warning: device "flash" has size of zero

bus error while trying to access flash - addr = 0x60000000

can

*** Reserved LVL 7 Interrupt ***

PC = 0xfff0b9a4, Vector = 0x500, SP = 0x8000458c

not read flash info

getdevnum warning: device "flash" has size of zero

open: read error...requested 0x4 bytes, got 0x0

trouble reading device magic number

boot: cannot open "flash:"

boot: cannot determine first file name on device "flash:"

ý

System Bootstrap, Version 12.0(1)XA1, RELEASE SOFTWARE (fc1)

Copyright (c) 1998 by cisco Systems, Inc.

TAC:Home:SW:IOS:Specials for info

PC = 0xfff0be54, Vector = 0x500, SP = 0xff0027c8

PC = 0xfff0be54, Vector = 0x500, SP = 0xff0027b0

unknown flash device - mandev code = 0xffff

cannot read flash info

C1700 platform with 16384 Kbytes of main memory

bus error while trying to access flash - addr = 0x60000000

cannot read flash info

getdevnum warning: device "flash" has size of zero

bus error while trying to access flash - addr = 0x60000000

cannot read flash info

getdevnum warning: device "flash" has size of zero

open: read error...requested 0x4 bytes, got 0x0

trouble reading device magic number

boot: cannot open "flash:"

boot: cannot determine first file name on device "flash:"

ý

System Bootstrap, Version 12.0(1)XA1, RELEASE SOFTWARE (fc1)

Copyright (c) 1998 by cisco Systems, Inc.

TAC:Home:SW:IOS:Specials for info

unknown flash device - mandev code = 0xffff

cannot read flash info

C1700 platform with 16384 Kbytes of main memory

bus error while trying to access flash - addr = 0x60000000

cannot read flash info

getdevnum warning: device "flash" has size of zero

bus error while trying to access flash - addr = 0x60000000

cannot read flash info

getdevnum warning: device "flash" has size of zero

open: read error...requested 0x4 bytes, got 0x0

trouble reading device magic number

boot: cannot open "flash:"

boot: cannot determine first file name on device "flash:"

ý

System Bootstrap, Version 12.0(1)XA1, RELEASE SOFTWARE (fc1)

Copyright (c) 1998 by cisco Systems, Inc.

TAC:Home:SW:IOS:Specials for info

unknown flash device - mandev code = 0xffff

cannot read flash info

C1700 platform with 16384 Kbytes of main memory

bus error while trying to access flash - addr = 0x60000000

cannot read flash info

getdevnum warning: device "flash" has

4 REPLIES
Cisco Employee

Re: 1720 flash boot ?

YES..you do need flash with the image on it.

New Member

Re: 1720 flash boot ?

can i skip to look flash while boot using any keyboard key combination

Cisco Employee

Re: 1720 flash boot ?

You can boot it from boot flash using boot image which will give

you only few commands..but you need to have it boot from flash ios

image to get full features..So in otherwords you need a flash with ios image in it.

New Member

Re: 1720 flash boot ?

message is continiously coming so how to interupt?

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