3(boot)#sh ver
ー略ー
ROM: System Bootstrap, Version 5.2(8a), RELEASE SOFTWARE

3 uptime is 3 minutes
System restarted by power-on
Running default software

cisco 2500 (68030) processor (revision N) with 2044K/2048K bytes of memory.
Processor board serial number 05700731 with hardware revision 00000000
X.25 software, Version 2.0, NET2, BFE and GOSIP compliant.
1 Ethernet/IEEE 802.3 interface.
2 Serial network interfaces.
32K bytes of non-volatile configuration memory.
4096K bytes of processor board System flash partition 1 (Read/Write)
4096K bytes of processor board System flash partition 2 (Read/Write)

Configuration register is 0x2102


ヤフオクで2503を購入したらbootモードで立ち上がってしまいます。
FLASHが2つに分かれてしまっているのですがこれが原因かも

どうしたらよいのでしょう？？？