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| 1.8” Portable Solid State Drive | ||||||
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| F |
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| 51 | 0000h |
| Reserved |
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| 52 | 0000h | X | Obsolete |
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| F | Reserved |
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| F | 2 | 1 = the fields reported in word 88 are valid |
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| 0 = the fields reported in word 88 are not valid |
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| 53 | 0007h | F | 1 | 1 = the fields reported in words 70:64 are valid |
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| 0 = the fields reported in words 70:64 are not valid |
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| X | 0 | 1 = the fields reported in words 58:54 are valid |
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| 0 = the fields reported in words 58:54 are not valid |
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| 54 | XXXXh | X | Number of current cylinders |
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| 55 | 00XXh | X | Number of current heads |
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| 56 | XXXXh | X | Number of current sector per track |
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| XXXXh | X | Current capacity in sectors |
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| Reserved |
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| V | 8 | 1 = Multiple sector setting is valid |
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| 59 | 0101h | V | xxh = Setting for number of sectors that shall be transferred per interrupt on R/W Multiple |
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| XXXXh | F | Total number of user addressable sectors |
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| 62 | 0000h | X | Obsolete |
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| F | Reserved |
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| V | 10 1 = Multiword DMA mode 2 is selected |
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| 0 = Multiword DMA mode 2 is not selected |
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| V | 9 | 1 = Multiword DMA mode 1 is selected |
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| 0 = Multiword DMA mode 1 is not selected |
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| 63 | 0007h | V | 8 | 1 = Multiword DMA mode 0 is selected |
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| 0 = Multiword DMA mode 0 is not selected |
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| Reserved |
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| F | 2 | 1 = Multiword DMA mode 2 and below are supported |
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| F | 1 | 1 = Multiword DMA mode 1 and below are supported |
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| F | 0 | 1 = Multiword DMA mode 0 is supported |
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| Reserved |
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| 64 | 0003h | F |
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| 65 | 0078h | F | Minimum Multiword DMA transfer cycle time per word |
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| 66 | 0078h | F | Manufacturer’s recommended Multiword DMA transfer cycle time |
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| 67 | 0078h | F | Minimum PIO transfer cycle time without flow control |
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| 68 | 0078h | F | Minimum PIO transfer cycle time with IORDY flow control |
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| 0000h |
| Reserved |
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| 0000h |
| Reserved for the IDENTIFY PACKET DEVICE command |
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| Queue depth |
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| 75 | 0000h |
| Reserved |
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| F |
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Transcend Information Inc.
17 | V1.2 |