I have a 3640 that while booting up gives the errors below at the console, Console Errors: _____________ C3600 processor with 65536 Kbytes of main memory Main memory is configured to 64 bit mode with parity disabled unknown flash deĆ¾ System Bootstrap, Version 11.1(7)AX [kuong (7)AX], EARLY DEPLOYMENT RELEASE SOFT WARE (fc2) Copyright (c) 1994-1996 by cisco Systems, Inc. C3600 processor with 65536 Kbytes of main memory Main memory is configured to 64 bit mode with parity disabled unknown flash device - mandev code = 0xffff cannot read flash info getdevnum warning: device "flash" has size of zero unknown flash device - mandev code = 0xffff 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:" an alternate boot helper program is not specified (monitor variable "BOOTLDR" is not set) and unable to determine first file in bootflash loadprog: error - on file open boot: cannot load "tftp:c3640-js-mz.122-15.T5.bin 40.40.40.2" System Bootstrap, Version 11.1(7)AX [kuong (7)AX], EARLY DEPLOYMENT RELEASE SOFT WARE (fc2) Copyright (c) 1994-1996 by cisco Systems, Inc. C3600 processor with 65536 Kbytes of main memory Main memory is configured to 64 bit mode with parity disabled I was adviced to upgrade bootrom, because the bootrom doesnt recognize the flash sticks, how do you guys check that this bootrom will work with this flash stick ? Regards