Add something like this to your CONFIG.SYS:

[MENU]
menuitem=NOCD, standard windoze
menuitem=CD, with CDROM DOS-driver
menuitem=USB, USB (usbaspi4.sys)
menudefault=NOCD,2

[NOCD]
dos=high,umb
device=C:\windows\himem.sys /testmem:off

[CD]
dos=high,umb
device=C:\windows\himem.sys /testmem:off
device=c:\windows\command\oakcdrom.SYS /D:mscd001

[USB]
dos=high,umb
device=C:\windows\himem.sys /testmem:off
DEVICE=c:\windows\command\usbaspi4.sys /v
DEVICE=c:\windows\command\di1000dd.sys

[COMMON]
shell=C:\COMMAND.COM C:\ /p /e:2048 /msg
;...