IBM IC25N020ATDA04 Hard Drive Specifications - Page 148
Identify Device DMA EEh, ECh via the DMA channel.
View all IBM IC25N020ATDA04 manuals
Add to My Manuals
Save this manual to your list of manuals |
Page 148 highlights
13.9 Identify Device DMA (EEh) Command Block Output Registers Register 7 6 5 4 3 2 1 0 Data Feature Sector Count Sector Number Cylinder Low Cylinder High Device/Head 1 - 1 D - - - - Command 1 1 1 0 1 1 1 0 Command Block Input Registers Register 7 6 5 4 3 2 1 0 Data Error see below Sector Count Sector Number Cylinder Low Cylinder High Device/Head Status see below Error Register 76543210 CRC UNC 0 IDN 0 ABT T0N AMN 00000V00 Status Register 7 6 5 4 3 2 10 BSY RDY DF DSC DRQ COR IDX ERR 0 V 0 - - 0 -V Figure 88. Identify Device DMA command (EEh) The Identify Device DMA command requests the device to transfer configuration information to the host. The device will transfer the same 256 words of device identification data by the Identify Device command (ECh) via the DMA channel. Travelstar 48GH, 30GN & 15GN hard disk drive specifications 134