75交换机，业务办卡没有打补丁正常么

dis version 看到个别业务槽板卡跟主引擎补丁版本不一致。该情况正常么。

不是应该，业务板卡版本跟随引擎版本走么。 

如下 5 6 7插卡一致，有的有补丁，有的没补丁。 能单独打补丁么

Comware Software, Version 5.20, Release 6616P01 
Copyright (c) 2004-2010 Hangzhou H3C Tech. Co., Ltd. All rights reserved. 
H3C S7506E uptime is 153 weeks, 0 day, 5 hours, 55 minutes 
 
MPU(M) 0: 
Uptime is 153 weeks,0 days,5 hours,55 minutes 
H3C S7506E MPU(M) with 1 BCM1125H Processor 
BOARD TYPE:         LSQ1SRPB 
DRAM:               512M bytes 
FLASH:              64M bytes 
NVRAM:              512K bytes 
PCB 1 Version:      VER.B 
PCB 2 Version:      VER.B 
Bootrom Version:    500 
CPLD 1 Version:     006 
CPLD 2 Version:     006 
Release Version:    H3C S7506E-6616P01 
Patch Version  :    P002 
 
MPU(M) 1: 
Uptime is 153 weeks,0 days,5 hours,48 minutes 
H3C S7506E MPU(S) with 1 BCM1125H Processor 
  ---- More ---- 
                 
BOARD TYPE:         LSQ1SRPB 
DRAM:               512M bytes 
FLASH:              64M bytes 
NVRAM:              512K bytes 
PCB 1 Version:      VER.B 
PCB 2 Version:      VER.B 
Bootrom Version:    500 
CPLD 1 Version:     006 
CPLD 2 Version:     006 
Release Version:    H3C S7506E-6616P01 
Patch Version  :    P002 
 
LPU 2: 
Uptime is 153 weeks,0 days,5 hours,53 minutes 
H3C S7506E LPU with 1 BCM1122 Processor 
BOARD TYPE:         LSQ1GP48SC 
DRAM:               512M bytes 
FLASH:              0M bytes 
NVRAM:              0K bytes 
PCB 1 Version:      VER.C 
Bootware Version:   306 
CPLD 1 Version:     004 
CPLD 2 Version:     004 
  ---- More ---- 
                 
Release Version:    H3C S7506E-6616P01 
Patch Version  :    P002 
 
Slot 3 Without Board 
 
Slot 4 Without Board 
 
LPU 5: 
Uptime is 153 weeks,0 days,6 hours,4 minutes 
H3C S7506E LPU with 1 BCM1122 Processor 
BOARD TYPE:         LSQ1GV48SC 
DRAM:               512M bytes 
FLASH:              0M bytes 
NVRAM:              0K bytes 
PCB 1 Version:      VER.D 
Bootware Version:   306 
CPLD 1 Version:     004 
Release Version:    H3C S7506E-6616P01 
Patch Version  :    P002 
 
LPU 6: 
Uptime is 153 weeks,0 days,5 hours,57 minutes 
H3C S7506E LPU with 1 BCM1122 Processor 
BOARD TYPE:         LSQ1GV48SC 
DRAM:               512M bytes 
FLASH:              0M bytes 
NVRAM:              0K bytes 
  ---- More ---- 
                 
PCB 1 Version:      VER.D 
Bootware Version:   306 
CPLD 1 Version:     004 
Release Version:    H3C S7506E-6616P01 
Patch Version  :    None 
 
LPU 7: 
Uptime is 153 weeks,0 days,5 hours,58 minutes 
H3C S7506E LPU with 1 BCM1122 Processor 
BOARD TYPE:         LSQ1GV48SC 
DRAM:               512M bytes 
FLASH:              0M bytes 
NVRAM:              0K bytes 
PCB 1 Version:      VER.D 
Bootware Version:   306 
CPLD 1 Version:     004 
Release Version:    H3C S7506E-6616P01 
Patch Version  :    None