PC-9821Socket7MIIڂB

ƌ悤ȃn_ĂgĂ₱łȂł
CPU̍ڂւ炢͂ɂł܂Bs̕ԈႦȂ悤ɑ}ēdONłB

Ou
ĕ\MIIłBCPU͈ʓIɂK6ɔׂĒᐫ\łACPU̓ւƂĂ͂ǂ炩Ƃƒቿił̔Ă܂B
PentiumProȍ~ł߂łȂCMOV߂g܂BAMDCPUłK6-3+łs\łB
ێ͂gPC/AT݊@Windows2003Quadrȏgݍ킹ŃtHD̓ĐxėV񂾂Ƃ܂B
https://www.youtube.com/watch?v=okUHCGkBw10&pp=ygUNc29ja2V0NyAxMDgwcA%3D%3D
LinuxK6ł\̂łWindowsp\tgɊւĂ(ɂ)ORpCłȂCMOVK{Ȃ̂łB

MII̓ddl
Socket7p d3.3V2.9ṼfA{e[WłB
PC-98łMMXPentiumSocket7͂̎dlƈv܂B
MMXSocket73.3VPłB󂷂̂鎄͑}܂BƑOSocket5̓s܂A܂肽ȂłB
socketVRMh@ł͂ƂVRMgΖłh邩܂B
ŃM[^Hg񂾂肵Ă\܂ÂƂɂĎɂ͒m܂B
l͎ȐӔCłĂB

łPC-98Ŏĝ?
ƂƂPC-9821V166D2Ă܂BMMXPentium166MHz̋@ł炠荷ւ܂B
dƃs|܂B(Xs[J[͂܂񂪂Ȃ΂Ɩ܂B)
MS-DOSNł܂BFreeBSD/pc98CPUԈႦ̂ŕʂɂ͋Nł܂B(茳̂͏CĂ܂JĂ܂B)
WindowsGUI܂NĂ܂B

ƂƂŐ̒weby[W₱⌟A20MASK肾AȂǂƏĂ肵܂B
ȂƂ͂܂BIOF2hIOF6h삵܂BveNg[hւ̍sAɖ͔܂B
veNg[hŎdFreeBSD蓮삵܂B

Ad{^ɂdfł܂Bqg͂łB
SMIƂdg݂삵Ȃ悤łBƂƂŃ\tgEFAIv낤AƂbłB

SMIɂ
ڂȂ̂Ō܂BIntel̃}jAڂłB
Ƃɂ荞݂OSɂʒmɊSɃn[hEFAŏ悤Ƃdg݂łB
d܂Ŏg邱Ƃz肵čꂽ悤i386SL瑶݂炵łB
A0000h̃gĎgIBAƂƂĂfobO(nbLO)ɂꏊŎd₪܂B
ITFŉxĂяo܂B˔jłȂ`BIOSł͒PɍڂւĂOSN܂łǂ蒅܂B(V166D2͂܂ܑvȂ)


MIISMIɂ
datasheetɂSMILɂ邽߂̃WX^̂łMĂǂƓ삳邱Ƃł܂łB
̂ŎSMIĂяoBIOSɃpb`ĂČĂтɂȂ悤ɂ܂B
Windows98SeGUINł܂B


ƂƂŋ@ˑłBėp̎dg݂ƂĂ̌J͂ł܂B
Jɂ͈ӖƎv̂ł͌J܂B
pb`ΏۂAX=9A00Int1FłB
V166D2̏ꍇF680:00E8EBh FEh̖[vEBh 02hƔ邱ƂMIIڂĂAPMBIOŠĂяo[v҂ɋAĂ܂B
邽߂ɂIntelPCIzXgubW59h50h30hɕύXĂۂBIOSɃpb`āAx30h50hɖ߂ƂKvłB
Wildcat@łl͂ȂƂ܂悤ȂƂKv܂B
MIIڂAX=9A00Int1FĂԂSMIăfobOł܂BMIIڂԂInt1Fg[XƗǂȏꏊƎv܂B

?
MIIłCMOV߂g܂Bł̂PentiumProȍ~̃\[XJvOG[Ȃœ삳܂B
Socket8,Slot1@pƂăRpCĂ܂Ăet[\tgAp\tgł\܂B
ꂾłBł10NOł̒͂łƂ܂炸Pentium4ȍ~SSE2K{ƂĂ܂A݂͂͂64bitCPUgƂʂɂȂĂ܂B
Ȗ̋ɂ݂łB(X86-SLZɂȂƂ͏Ɋł܂B)


CPUɂ
CPUID߂󂯕t܂ecx0NAɕςȕԎԂĂ܂悤ŁAĂȂ@\ĂAƕ񍐂Ă܂܂B
https://ja.wikipedia.org/wiki/CPUID#cite_note-3
Windows2000炢܂łȂ֌WȂƎv܂Cl̓\tgCPUIDɔȂȂ悤ɂł܂B
͂ĂWindows98Se𗧂グ܂̂GUIWindowsCPUCx486SLCƌ딻肵Ă܂B

Cyrix^WX^ɂ
IO22hIO23hł̐ݒłBPC-98ł̓J_LSIIOĂ܂""삷PC-98łRg[ł悤łB
Cyrix5x86pARA5x86ƂvOLł傤?
datasheetBSD̃\[Xɂ₱͍ڂĂ̂Őݒ莩̂͊ȒPɂł܂B


APMBIOS~߂悤B
ITFŎ~܂Ă܂OSN܂łǂ蒅Ȃꍇ͖łAV166D2͂ȂƂ܂ł͂ǂ蒅܂B
ł̂łƓ^CvȂΏłAƎv܂̂ŔėpAPMBIOS~߂IPLWare܂B
łMII̊֘AWX^MĂ܂B܂łłB
Windows2000Nł܂B
ӓ_
Windows98Sȅꍇconfig.sysHIMEM.SYSo^Ă(ʏ킻Ȃ܂B)
IO.SYSI?o^̂̏2dœo^Ă܂oO?̂悤ȋ܂B
Int1F90hȊOׂĂȂ܂B͂̃tbN̂͂łconfig.sysHIMEM.SYSĂB
ĂIO.SYSIɌĂяoĂ͂ł̂XMS͎g܂B
BIOSpb`^Ɩ肪N܂̂
Int1F̃tbNꏊ(0000:0410h)ɑ肪܂B
STOPAPM.s̃\[Xǂ߂΂킩悤ɏĂ܂AMII(Cyrix6x86MX)łȂƔfꍇ͉܂B
SMI֘AWX^͘MĂ܂AMĂSMI荞݂ƂĂȂƂʂ܂B(ԈႦĂ邾?)
LbVWBɂIOwait0ɂĂ邾łBwriteallocate͂Ă܂BKvΓKxɉĂB

12-3ǉ
STOP_APM.COM̕F000:30A0hgƂłB͋󂢂ĂƎv܂cOȂ炷ׂĂ̋@ĂȂߕsłB
܂UMBF3w肵Ă͂܂BEMM386HIGHSCANgĂ̓_łB
STOPAPM.COM̕0000:0410hgłBK󂢂Ă܂IPLWareŎgHIMEMoO܂B
Wildcat430FXȍ~@płB430NX,430LX@(EPSON@)AmȂPCI`bvZbg@ŎgƂ͑z肵Ă܂B
̏ꍇ0000:0410hIɎgɔт܂B
Windows2000͂̏ꏊgĂĂvłB
t[`[g
HIMEM̃oOCɂȂ or F000:30A0h󂢂Ă邩s WindowsNTn͎gȂ->STOPAPM.COMautoexec.batɓo^
Ⴄ}l[Wg or F000:30A0h͋󂢂ĂAF3UMBɂȂ OS͂ꂱg->STOP_APM.COMIPLWareo^
łBsȂăAZuĂB

IPLWareo^ɉz86ŎsMIȈݒ΂܂B̂EMM386gOɎs悢ł
܂͉^pł܂ĂB{STOP_APMIPLwareiKœo^łB


PCIoXPCI-ẽJ[h}ϊA_v^𕡐Ă܂܂B
ꉞ܂茳Geforce8500GTPCIł܂BꂪƓDXVAœĐł͂łĂ܂B
Oɂsocket7PC-98ł̃tHDĐ̐Ȅ̍͂Ȃ̂̂łB
̂悤Ȕ\webŌ܂B
https://www5b.biglobe.ne.jp/~pika2/8500gtpci.html

 E
2025-12-1 ŁA܂ɂ̂ŏBPC-98ƉʂȂMIIWindowsGUIʂ̂͐EŎƎvł͂ႢłB
2025-12-2 뎚CA֌WvOt Windows2000̃CXg[mFł̂ŌJ
2025-12-3 STOP_APM.COMSTOPAPM.COMɕ
