IBM IC35L020 Hard Drive Specifications - Page 127
Minimum Multiword DMA Transfer Cycle Time Per Word
View all IBM IC35L020 manuals
Add to My Manuals
Save this manual to your list of manuals |
Page 127 highlights
Word 50 51 52 53 54 55 56 57-58 59 60-61 62 63 64 65 66 67 68 69-74 Content Description 400xH Capabilities, bit assignments: 15-14(=01) Word 50 is valid 13- 1(=0) Reserved 0 Minimum value of Standby timer (=0) less than 5 minutes (=1) equal to or greater than 5 minutes 0200H PIO data transfer cycle timing mode 0200H O DMA data transfer cycle timing mode Refer Word 62 and 63 0007H Validity flag of the word 15-3(=0) Reserved 2(=1) 1=Word 88 are Valid 1(=1) 1=Word 64-70 are Valid 0(=1) 1=Word 54=58 are Valid xxxxH Number of current cylinders xxxxH Number of current heads xxxxH Number of current sectors per track xxxxH Current capacity in sectors Word 57 specifies the low word of the capacity 0xxxH Current Multiple setting. Bit assignments: 15-9 (=0) Reserved 8 1= Multiple Sector Setting is Valid 7-0 xxh = Current setting for number of sectors xxxxH Total Number of User Addressable Sectors Word 60 specifies the low word of the number 0000H xx07H Multiword DMA Transfer Capability 15-8 Multiword DMA transfer mode active 7-0 (=7) Multiword DMA transfer modes supported (support mode 0, 1, and 2) 0003H Flow Control PIO Transfer Modes Supported 15-8 (=0) Reserved 7-0 (=3) Advanced PIO Transfer Modes Supported '11' = PIO Mode 3 and 4 Supported 0078H Minimum Multiword DMA Transfer Cycle Time Per Word 15-0 (=78)Cycle time in nanoseconds (120 ns, 16.6MB/s) 0078H Manufacturer's Recommended Multiword DMA Transfer Cycle Time 15-0(=78)Cycle time in nanoseconds (120 ns, 16.6 MB/s) 00F0H Minimum PIO Transfer Cycle Time Without Flow Control 15-0(=F0)Cycle time in nanoseconds (240 ns,8.3 MB/s) 0078H Minimum PIO Transfer Cycle Time Without Flow Control 15-0(=78)Cycle time in nanoseconds (120 ns, 16.6 MB/s) 0000H Reserved Figure 84. Identify Device Information (2 of 6) Deskstar 60 GXP Hard disk drive specification 113