S7603-S 组IRF提示版本不一样

2台 S7603-S 做IRF 版本一样怎么升级版本

[H3C]          dis version
H3C Comware Platform Software
Comware Software, Version 5.20, Release 6708P09
Copyright (c) 2004-2014 Hangzhou H3C Tech. Co., Ltd. All rights reserved.
H3C S7603-S uptime is 0 week, 0 day, 0 hour, 6 minutes

MPU(M) Chassis 2 Slot 0:
Uptime is 0 weeks,0 days,0 hours,6 minutes
H3C S7603-S MPU(M) with 1 BCM1122 Processor
BOARD TYPE:         LSQ1CGP24TSC
DRAM:               512M bytes
FLASH:              64M bytes
NVRAM:              512K bytes
PCB 1 Version:      VER.A
Bootrom Version:    500
CPLD 1 Version:     002
CPLD 2 Version:     002
Release Version:    H3C S7603-S-6708P09
Patch Version  :    None

LPU Chassis 2 Slot 1:
Uptime is 0 weeks,0 days,0 hours,1 minutes
H3C S7603-S LPU with 1 BCM1122 Processor
BOARD TYPE:         LSQ1GV24PSA
DRAM:               512M bytes
FLASH:              0M bytes
NVRAM:              0K bytes
PCB 1 Version:      VER.A
Bootware Version:   306
CPLD 1 Version:     001
Release Version:    H3C S7603-S-6708P09
Patch Version  :    None

LPU Chassis 2 Slot 2:
Uptime is 0 weeks,0 days,0 hours,4 minutes
H3C S7603-S LPU with 1 XLS408 Processor
BOARD TYPE:         LSQ1TGS8SC
DRAM:               1024M bytes
FLASH:              0M bytes
NVRAM:              0K bytes
PCB 1 Version:      VER.B
Bootware Version:   202
CPLD 1 Version:     001
Release Version:    H3C S7603-S-6708P09
Patch Version  :    None
[H3C]

[7603-hexin]dis version
H3C Comware Platform Software
Comware Software, Version 5.20, Release 6708P05
Copyright (c) 2004-2013 Hangzhou H3C Tech. Co., Ltd. All rights reserved.
H3C S7603-S uptime is 0 week, 0 day, 0 hour, 30 minutes

MPU(M) Chassis 1 Slot 0:
Uptime is 0 weeks,0 days,0 hours,30 minutes
H3C S7603-S MPU(M) with 1 BCM1122 Processor
BOARD TYPE:         LSQ1CGP24TSC
DRAM:               512M bytes
FLASH:              64M bytes
NVRAM:              512K bytes
PCB 1 Version:      VER.A
Bootrom Version:    500
CPLD 1 Version:     002
CPLD 2 Version:     002
Release Version:    H3C S7603-S-6708P05
Patch Version  :    None

LPU Chassis 1 Slot 1:
Uptime is 0 weeks,0 days,0 hours,24 minutes
H3C S7603-S LPU with 1 BCM1122 Processor
BOARD TYPE:         LSQ1GV24PSA
DRAM:               512M bytes
FLASH:              0M bytes
NVRAM:              0K bytes
PCB 1 Version:      VER.A
Bootware Version:   306
CPLD 1 Version:     001
Release Version:    H3C S7603-S-6708P05
Patch Version  :    None

LPU Chassis 1 Slot 2:
Uptime is 0 weeks,0 days,0 hours,28 minutes
H3C S7603-S LPU with 1 XLS408 Processor
BOARD TYPE:         LSQ1TGS8SC
DRAM:               1024M bytes
FLASH:              0M bytes
NVRAM:              0K bytes
PCB 1 Version:      VER.B
Bootware Version:   202
CPLD 1 Version:     001
Release Version:    H3C S7603-S-6708P05
Patch Version  :    None