H3C S5560S-52P-SI 软件版本升级不成功

我有1台H3C 5560S-52P-SI,信息如下

Slot 1: Uptime is 0 weeks,0 days,0 hours,44 minutes 

S5560S-52P-SI with 1 Processor BOARD TYPE: S5560S-52P-SI 

DRAM: 512M bytes FLASH: 256M bytes

 PCB 1 Version: VER.A 

Bootrom Version: 134

 CPLD 1 Version: 001 

Release Version: H3C S5560S-52P-SI-6312P03

 Patch Version : None 

Reboot Cause : UserReboot [SubSlot 0] 48GE+4SFP 

<H3C>

我想升级软件版本,但是发现会出错

我直接升到R6335会报错,

错误如下 :

The device type is incorrect! Now rebooting ...

但是下载IPE文件和做交换机启动引导文件的时候,正常解压没有报错

<S5560S-52P-SI>boot-loader file flash:/S5560S_SI-CMW710-R6335.ipe slot 1 main

 Verifying the file flash:/S5560S_SI-CMW710-R6335.ipe on slot 1.....Done. 

H3C S5560S-52P-SI images in IPE: s5560s_si-cmw710-boot-r6335.bin s5560s_si-cmw710-system-r6335.bin This command will set the main startup software images. Continue? [Y/N]:y

 Add images to slot 1. Decompressing file s5560s_si-cmw710-system-r6335.bin to flash:/s5560s_si-cmw710-system-r6335.bin..................................

..........Done. 

Decompressing file s5560s_si-cmw710-boot-r6335.bin to flash:/s5560s_si-cmw710-boot-r6335.bin.......Done. 

Verifying the file flash:/s5560s_si-cmw710-boot-r6335.bin on slot 1...Done. 

Verifying the file flash:/s5560s_si-cmw710-system-r6335.bin on slot 1.....Done.

 The images that have passed all examinations will be used as the main startup software images at the next reboot on slot 1.

 <S5560S-52P-SI>%Jan 1 02:53:00:062 2013 S5560S-52P-SI PKG/5/PKG_BOOTLOADER_FILE_SUCCESS: -IPAddr=**-User=**: Executed the boot-loader file command successfully

后来我用R6318P01也是一样会报同样的错误.

我看了一下软件升级说明书,书上说要求bootrom version必须143及以上,请问这怎么升级bootrom版本,我在官网下的ZIP文件里面只有2个bin文件和1个ipe文件.