640*400のディスプレイドライバさがしてた奴いるか？
やっとＦＤから探し出したぞ
この下をinfでwin9xに入れてな

***************************************************************
[Version]
Class=DISPLAY
signature="$CHICAGO$"
Provider=NEC ( & 7K1BNN )

[DestinationDirs]
DefaultDestDir  = 11; LDID_SYS

[Manufacturer]
"NEC"=NEC

[NEC]
"PC-9801 series 16 color Graphics (EGC)"=EGCN4, Display

[EGCN4]
CopyFiles=EGCN4.Copy
DelReg=Prev.DelReg
AddReg=EGCN4.AddReg
UpdateInis=Add_System.Ini
LogConfig=EGCN4.LogConfig

[EGCN4.Copy]
egcn4.drv,,,4
grab98.3gr

[Prev.DelReg]
HKR,,Ver
HKR,,DevLoader
HKR,DEFAULT
HKR,MODES
HKR,CURRENT

[EGCN4.AddReg]
HKR,,Ver,,3.1
HKR,,DevLoader,,*vdd
HKR,DEFAULT,Mode,,"4,640,400"
HKR,DEFAULT,drv,,egcn4.drv
HKR,DEFAULT,vdd,,*vdd
HKR,DEFAULT,grb,,grab98.3gr
HKR,DEFAULT,AccVal,,1
HKR,"MODES\4\640,400"

[Add_System.Ini]

system.ini, display, "WidthxHeight=*",
system.ini, display, "fontsize=*",

system.ini, atls.drv, "DesktopWidth=*",
system.ini, atls.drv, "DesktopHeight=*",
system.ini, atls.drv, "DisplayWidth=*",
system.ini, atls.drv, "DisplayHeight=*",
system.ini, atls.drv, "fontsize=*",

system.ini,Virtual-Screen, "RefreshRate=*",
system.ini,Virtual-Screen, "ColorDepth=*",
system.ini,Virtual-Screen, "Screen=*",
system.ini,Virtual-Screen, "Enable=*",
system.ini,Virtual-Screen, "Resource=*",

[EGCN4.LogConfig]
ConfigPriority=HARDWIRED
IOConfig=04A0-04A0
IOConfig=04A2-04A2
IOConfig=04A4-04A4
IOConfig=04A6-04A6
IOConfig=04A8-04A8
IOConfig=04AA-04AA
IOConfig=04AC-04AC
IOConfig=04AE-04AE
IOConfig=68-68
IOConfig=6A-6A
IOConfig=A4-A4
IOConfig=A6-A6
IOConfig=7C-7C
IOConfig=7E-7E
MemConfig=A8000-BFFFF
MemConfig=E0000-E7FFF

[Strings]
"PC-9801 series 16 color Graphics (EGC)"
ClassName="ﾃﾞｨｽﾌﾟﾚｲ ｱﾀﾞﾌﾟﾀ"
Display.SetupClassName="ﾃﾞｨｽﾌﾟﾚｲ"
***************************************************************