BTX halted with MegaRaid SCSI 320-2 on 6.2R help

[wsk at gddsn.org.cn]

6.2R cd boot failed with follow error,and the MegaRAID fw version is FW_1L33
thanks with any info
BTX loader 1.00 BTX version 1.01
Console: internal video/keyboard
BIOS CD is cd0
BIOS drive A: is disk0
BIOS drive C: is disk1

BIOS 639kB/3668928kB available memory

FreeBSD/i386 bootstrap loader, Revision 1.1
(root at root at dessler.cse.buffalo.edu, Fri Jan 12 06:40:38 UTC 2007)

int=0000000d err=00000000 efl=00030086 eip=0000c3d4
eax=00008058 ebx=00002000 ecx=00000007 edx=0000fffa
esi=0000f69b edi=00040170 epb=000003d8 esp=00000358
cs=f000 ds=0040 es=5d18    fs=9fc0 gs=f000 ss=9e17
cs:eip=ec 50 e4 61 58 50 e4 61-58 ee 5a c3 01 00 e4 c3
       12 00 00 41 d0 0c 02 08-80 00 03 00 79 00 79 00 00
ss:esp=77 01 03 2c a1 00 08 2c-fa 02 00 e0 00 00 c0 9f
       00 00 4e 80 f3 ee 00 f0-03 24 00 e0 06 02 00 80
BTX halted


----------------------------------------------------------------
This message was sent using IMP, the Internet Messaging Program.