Problem in H-JTAG(sbc2410)

vino
Hi,
   i want to formatting the NAND flash in SBC2410...how can i do tht..
i connected my jtag and i installed vivi after that the DNW shows like
this..keep on saying booting linux...i cant enter into supervivi mode...
1.Can u say how can i format NAND completely and how to install the BIOS in
it via H-JTAG?
2.my friends says i need two files to do tht(.his and .hif). if its
necessary then  where can i Download those files for SBC2410?
---------------------------------------------------------------------------
VIVI version 0.1.4 (root@localhost.localdomain) (gcc version 2.95.3
20010315 (release)) #0.1.4 Sun Jul 2 14:14:48 EDT 2006
MMU table base address = 0x31FBC000
Succeed memory mapping.
+---------------------------------------------+
| S3C2410X USB Downloader ver R1.11 SEP/03/02 |
+---------------------------------------------+
FCLK=200MHz,DMA mode
USB: IN_ENDPOINT:1 OUT_ENDPOINT:3
FORMAT: <ADDR(DATA):4>+<SIZE(n+10):4>+<DATA:n>+<CS:2>
NAND device: Manufacture ID: 0xec, Chip ID: 0x76 (Samsung K9D1208V0M)
Could not found stored vivi parameters. Use default vivi parameters.
Press Return to start the LINUX/Wince now, any other key for vivi
Copy linux kernel from 0x00050000 to 0x30008000, size = 0x00100000 ... done
Warning: this binary is not compressed linux kernel image
zImage magic = 0xffffffff
Setup linux parameters at 0x30000100
linux command line is: "noinitrd root=/dev/mtdblock/0 init=/linuxrc
console=ttyS0"
MACH_TYPE = 193
NOW, Booting Linux......