求助:启动光盘????

        我用启动光盘（包括diskman工具）启动，显示himem 错误，无扩展的内存，建议移走一些驱动（建议更改 config.sys 文件（此文件是启动光盘还是机子的？）），是何原因？
        就是不能加载himem, 但用虚拟PC和cd-rom可以启动,另我的笔记本为256M内存足够大. 我的机子无软区,是否启动盘是模仿软区启动,bois不支持, 请帮助分析一下?  我做的win98启动盘可以启动
先谢了,

再次麻烦各位:
我把config.sys 贴上,请高手帮看看?
[menu]
menuitem=bestcd, Entirety mode(load all the programs)with CD-ROM.
menuitem=best, Entirety mode(load all the programs).
menuitem=CD, Start computer with CD-ROM support.
menuitem=NOCD, Start computer without CD-ROM support.
menuitem=HELP, Readme Please!                  ------chendong.
menuitem=simple, Simple mode!!!
menudefault=CD,30
menucolor=2,0
[bestCD]
device=himem.sys /testmem:off
DEVICE=EMM386.EXE NOEMS X=D100
devicehigh=ptsatapi.sys /D:mscd001
[best]
device=himem.sys /testmem:off
DEVICE=EMM386.EXE NOEMS X=D100
[CD]
device=himem.sys /testmem:off
DEVICE=EMM386.EXE NOEMS X=D100
devicehigh=ptsatapi.sys /D:mscd001
[NOCD]
device=himem.sys /testmem:off
DEVICE=EMM386.EXE NOEMS X=D100
[HELP]
device=himem.sys /testmem:off
DEVICE=EMM386.EXE NOEMS X=D100
[simple]
device=himem.sys /testmem:off
DEVICE=EMM386.EXE NOEMS X=D100
[COMMON]
SHELL=A:\COMMAND.COM /P /E:640
SET TMP=C:\
SET TEMP=C:\
DOS=HIGH,UMB,AUTO
FCBSHIGH=4,0
FILESHIGH=30
BUFFERSHIGH=30,0
LASTDRIVEHIGH=32
STACKSHIGH=9,256
devicehigh=ramdrive.sys /E 4096 512 168
lastdrive=q
另光盘大小为2.44M.

看看

说说 我也学学

你将emm386.exe后面的两个参数去掉试试

看看学学