PC-9821SMI

MII̊֘AƂāAڂ͂Ȃ̂̂ɂ͏ĂȂ킯łAׂƂ܂Ƃ߂ĕ
SMIĂԂ̂̓n[hEFAłBCPU߂ŌĂяoƂ͂ł܂B
PC-98ł͓d֘AIO F4AhF4Bh̑gݍ킹AAPM֘AIOA08h-A0AhŃvOIɌĂяoĂ悤łB
Sɋ@ˑłB

SMI畜Ârsm߂łBCPŰ@\łB
rsm߂286LOADALLɋ@\͂ƂĂ悭Ă܂B
̂LOADALLGƂ΃sƂ̂ƂȂĂ܂B

n[hEFASMI荞݂Ă΂(ႦΓd{^ɐGNMIȀIOGĔĂ̂Ǝv܂B)
Intel̃`bvZbg͐ݒꏊ(hostpci config space 72h)ɏ]SMIԒ
A0000hPCIRAMɐ؂ւACPUSMSAVEWX^ɕۊǂꂽʒu+8000h̏ꏊɃWv܂B
CPUZbgSMSAVEWX^̒g30000hȂ̂ŕK3000:8000ɃWv܂B
ITFł͂̈ʒuɂ₱̐ݒuSMSAVEWX^98000hɓւrsmĖ߂܂B
̌APCIA0000h(9800:8000h)ɎۂSMIzuāAA0000h͒ʏg̃ɖ߂Ă܂B
ƂITFōsĂ܂B

A0000h̃SMMƌĂ΂܂ʏOSN͌ɂꏊłB
𖳗ǂݏovOYt܂BIntelPCI@̓dǗ@\t@ł͈Ӗ̂钆gǂݏoƎv܂B
RCC@͔ΉARL@Cx13łC0000hSMMł̂ŖӖȃf[^ǂݏo܂B
readSMM.comsƃJgfBNgSMMSAVE.RAMƂt@C32kB܂B
ꂪNSMM̒głBۂ̂Ƃ돑ꏊɂ̂ŃnbLOłl͂肽łĂ܂܂B
{̈Ӗł̈ƂɎgƂłĂ܂܂̂ŒӂĂB

Cx13łA0000hł͂ȂC0000hSMIĂ܂BtvOł͋zo܂AKɉĂB̃vOA0000hŒłB
PCIRAMA[hŎg@͒ĂĂ܂ȀꏊgĂ܂Ɩ肪Ă܂܂B
ӂ܂傤Bz86UMBɂ̂ɂ͉̖Ȃ͂łBSMSAVEWX^B8000hłB

PCI`bvZbgȑO98m[gɂSMMJIOportʂŏĂ邱Ƃundoc98ɂ͏Ă܂B
茳@ׂ͂ăs|Ȃ̂ŊmFsłBD800hZOgɏoĂ̂ł?ƑzĂ܂B

J邱Ƃɂ͈ӖƎvĂĂ܂BƂɂ͎gȂłB
\[XR[h͉RA̔s
2025-12-2	zvO쐬 APMBIOS~IPLWare쐬
2025-12-3	 RCC`bvZbgɑΉA98NOTȄꍇundocɏĂ邱ƂǋL