Fujitsu MCM3130AP Computer Drive User Manual


 
Host Interface
4-26 C156-E227-01EN
Table 4.19 Device parameter information (2/5)
Word Value Bits Description
50 0000h Reserved
51 0200h 15-8 PIO data transfer cycle timing mode
7-0 Reserved
52 0000h 15-0 Reserved
53 0007h 15-3
2
1
0
Reserved
Information in word 88 is valid. (1b)
Information in words 64 to 70 is valid. (1b)
Information in words 54 to 58 is valid. (1b)
54-62 0000h Reserved
63 0407h
15-11
Multiword DMA transfer mode Active mode
Reserved (0b)
(Default value) 10 Indicates 1 if mode 2 is selected.
9 Indicates 1 if mode 1 is selected.
8 Indicates 1 if mode 0 is selected.
Supported.Multiword DMA transfer mode
7-3 Reserved (0b)
2 Mode 2 (1b)
1 Mode 1 (1b)
0 Mode 0 (1b)
64 0003h
15-8
Flow control PIO transfer mode
Reserved
7-2
Supported PIO transfer mode
Reserved (0b)
1 Mode 4 (1b)
0 Mode 3 (1b)
65 0078h (120) Minimum multiword DMA transfer time per word (ns)
66 0078h (120) Recommended multiword DMA transfer time (ns)
67 0078h (120) Minimum PIO transfer cycle time when flow control is
disabled (ns)
68 0078h (120) Minimum PIO transfer cycle time when flow control using
IORDY is enabled (ns)
69-70 0000h Reserved
71 07D0h (2000) Required time after the PACKET command is received until
the bus is released (µs) (Typical)