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Category: Hardware

  • Linux 下安装识别 Marvell 88SE91xx 硬盘

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    Edwin
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    88SE91xx 可以使用 AHCI 驱动，但是默认 Linux 无法识别 88SE91xx 需要手动添加到 AHCI 列表中。方法如下。 首先获得到 88SE91xx 的 Vendor ID 和 Device ID $ lspci -nnk | grep Marvell 04:00.0 RAID bus controller [0104]: Marvell Technology Group Ltd. 88SE9172 SATA III 6Gb/s RAID Controller [1b4b:9192] (rev 11) 使 AHCI 识别 $ /bin/echo 1b4b 9192 > /sys/bus/pci/drivers/ahci/new_id   这样就能识别到在 88SE91xx 上的硬盘了。

  • bit, nybble, byte, WORD, DWORD, QWORD

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    Edwin
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    It depends on the computer architecture. For 32bit, bit = …1 bit… nybble = 4 bits = 1/2 byte byte = 8 bits = 2 nybbles WORD = 2 bytes = 4 nybbles = 16 bits DWORD = 2 WORDs = 4 bytes = 8 nybbles = 32 bits QWORD = 2 DWORDs = 4…