IBM DTCA-24090 Hard Drive Specifications - Page 114
Identify Device
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12.6 Identify Device (ECh) Command Block Output Registers Register 76543210 Data Feature Sector Count Sector Number Cylinder Low Cylinder High Device/Head 1 1D Command 11101100 Command Block Input Registers Register 76543210 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 76543210 BSY RDY DF DSC DRQ COR IDX ERR 0V0 0 V Figure 63. Identify Device Command (ECh) The Identify Device command requests the device to transfer configuration information to the host. The device will transfer a sector to the host containing the information in Figure 64 on page 107. 106 OEM Specifications of DTCA-2xxxx 2.5 inch H D D