Hitachi DK23BA-20 Owners Manual - Page 39
Minimum PIO Transfer Cycle Time without Flow Controlns - 75
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Word Table 6.5 Identify Device Information (Continued) Description 50 Capabilities Bit 15 0 (fixed) Bit 14 1 (fixed) Bit 13 - 1 0 = Reserved Bit 0 1 = Standby timer value is equal to or greater than 5 minutes. Reserved. 51 Bit 15 - 8 PIO data transfer cycle timing mode Bit 7 - 0 Vendor Specific 52 Obsolete 53 Field validity Bit 15 - 3 0 = Reserved Bit 2 1 = The field reported in word 88 is valid Bit 1 1 = The fields reported words 64-70 are valid Bit 0 1 = The fields reported words 54-58 are valid 54 Number of current cylinders 55 Number of current heads 56 Number of current sectors per track 57-58 Current capacity in sectors 59 Multiple sector setting Bit 15-90 = Reserved Bit 8 1 = Multiple sector setting is valid Bit 7 - 0Current setting for number of sectors that can be transferred per interrupt on R/W MULTIPLE command 60-61 Total addressable LBA 62 Obsolete 63 Multi-word DMA transfer Bit 15 - 8 Multi-word DMA transfer mode active Bit 7 - 0Multi-word DMA transfer mode supported 64 Flow control PIO transfer Modes supported Bit 15 - 2 0 = Reserved Bit 1 1 = PIO Mode 4 supported Bit 0 1 = PIO Mode 3 supported 65 Minimum Multi-word DMA Transfer Cycle Time Per Word(ns) 66 Manufacturer's Recommended Multi-word DMA Cycle Time(ns) 67 Minimum PIO Transfer Cycle Time without Flow Control(ns) 68 Minimum PIO Transfer Cycle Time with IORDY(ns) 69-74 Reserved 75 Queue Depth Bit 15 - 5 0 = Reserved Bit 4 - 0 Maximum queue depth 76-79 Reserved Value (HEX.) 4000h 0200h 0000h 0007h See table 6.6 0000h 0003h 0078h 0078h 00F0h 0078h 0000h 0000h 0000h K6610007 Rev.5 02.14.'03 - 39 -