He aha ka Polokalamu Paʻa Papu?

ʻO ka papa kuhi o ka papahana he mahele o ka waihona waihona / kāʻili waiwai e loaʻa ana ka ho'ākāka o nā māhele i ka puʻupuʻu diskini , e like me ko lākouʻano a me nā nui. ʻO ka papaʻaina haku e hui pū ana me ka pūlima a me ka helu kāleka hōʻano e hoʻokumu i ka waihona kākāka.

Ma muli o ka nui (64 bytes) o ka papaʻaina haku, hiki ke hoʻohālikelikeʻia he 4 hapa nui (16 mau'aeta i kēlā me kēia) ma kahi'ōpala paʻakikī.

Eia nō naʻe, e hiki ke hoʻonohonohoʻia nā paukū'ē aʻe ma ka weheweheʻana i kahi o nā māhele o ke kino e like me ka lālā lōʻihi a ho'ākāka i nā haʻalēlā pono i loko o kēlā pālāleo lōʻihi.

Hoʻomaopopo: He mea maʻalahi nā mea hana palewaena māhele no ka manipona i nā māhelehele, e kaha i nā māhele me "Active," aʻoi aʻe.

Nā inoa'ē aʻe no ka Papa Hana Pale

ʻO ka papaʻaina haku i kekahi manawa i kapaʻia he papa pale wale nō a iʻole ka māhele papahele, a iʻole i ho'ēmiʻia e like me ka MPT.

Ka Papa Hana Papahana Hoʻohālike a me kahi

Aia i loko o ka waihona loiloi he 446 bytes o ke code, a ma hope o ka papaʻaina me 64 bytes, aʻo nā tole e koe i koe ua mālamaʻia no ka hōʻailonaʻili.

Eia nāʻokoʻa kūikawā o kēlā me kēia 16 mau poʻi o ka papaʻaina haku.

Nui (Bytes) Hōʻike
1 Aia i loko o kēia ka lepili kālepa
1 Ke poʻo hoʻomaka
1 Hoʻomaka i ka lālā (ʻeono mau bits mua) a me ka hoʻomakaʻana o ka cylinder
1 ʻO kēia byte e paʻa ana i nāʻelimaʻewalu o ka cylinder e hoʻomaka ana
1 Loaʻa kēia i kaʻano pale
1 Hoʻopau i ke poʻo
1 Ke hoʻopauʻana i nā lālā (ʻeono mau bitsʻeono) a me ka hoʻopauʻana i ka cylinder (ʻoi aʻeʻelua mau piko)
1 ʻO kēia byte e paʻa ana i nāʻelimaʻewalu lalo o ka cylinder hope
4 Nā papa alakaʻi o ka pāhele
4 Ka helu o nā mahele i ka māhele

He maikaʻi loa ka inoa o ka pepa kālepa i ka manawa i hoʻonohonohoʻia ai kaʻoihanaʻoihana iʻoi aku ma mua o hoʻokahi papa hana. No ka mea aia iʻoi aku ma mua o hoʻokahi pāʻani papahele,ʻo ka palapala kālepa e hiki iāʻoe ke koho i kahi o ka OS e kiʻi i.

Eia nō naʻe, ke mālama mau nei ka papaʻaina i kekahi papa i hanaʻia e like me ka "Active" kekahi e piʻiʻia ināʻaʻole kohoʻia nā koho'ē aʻe.

ʻO ka māhele o ka pakuhi o ka papaʻaina e pili ana i ka pūnaewele pūnaewele ma kēlā pāhele, kahi o ka heluʻokoʻa 06 a 0E pahaʻo FAT , 0B, a 0C pahaʻo FAT32, aʻo 07 ka mea NTFS a OS / 2 HPFS.

Me kahi pākaʻina e 512 bytes no kēlā me kēia mehana, ponoʻoe e hoʻonui i ka helu helu o 5 5ʻaoʻao no ka loaʻaʻana o ka helu o nā bytes o ka paukū. E puunaueʻia kēlā helu i 1,024 no ka loaʻaʻana o ka helu i kilobytes, a laila no nā megabytes, a no nā gigabytes, inā pono.

Ma hope o ka papaʻaina mua,ʻo ka hewa o 1BE o ka MBR,ʻo nā papa'ē aʻe no nā kaʻinaʻelua,ʻekolu, a me ka hapahā, aia ma 1CE, 1DE, a me 1EE:

Ka hewa Length (Bytes) Hōʻike
Hex ʻO Decimal
1BE - 1CD 446-461 16 Māhele Pale 1
1CE-1DD 462-477 16 Māhele Pale 2
1DE-1ED 478-493 16 Māhele Pale 3
1EE-1FD 494-509 16 Māhele Pale 4

Hiki iāʻoe ke heluhelu i ka hua'ōlelo hex o ka papaʻaina haku me nā mea hana e like me wxHexEditor a me Active Editor.