IBM IC35L040AVVN07-0 Hard Drive Specifications - Page 153
Read Verify Sectors 40h/41h
UPC - 683728124212
View all IBM IC35L040AVVN07-0 manuals
Add to My Manuals
Save this manual to your list of manuals |
Page 153 highlights
11.19 Read Verify Sectors (40h/41h) Command Block Output Registers Register 76543210 Data -------- Feature -------- Sector Count V V V V V V V V Sector Number V V V V V V V V Cylinder Low V V V V V V V V Cylinder High V V V V V V V V Device/Head 1 L 1 D H H H H Command 0010000R Command Block Input Registers Register 76543210 Data -------- Error see below Sector Count V V V V V V V V Sector Number V V V V V V V V Cylinder Low V V V V V V V V Cylinder High V V V V V V V V Device/Head - - - - H H H H Status see below Error Register 76543210 CRC UNC 0 IDN 0 ABT T0N AMN 0V0V0V0V Status Register 7 6 5 4 3 2 10 BSY RDY DF DSC DRQ COR IDX ERR 0 V 0 V - 0 -V Figure 117. Read Verify Sectors Command (40h/41h) The Read Verify Sectors verifies one or more sectors on the device. No data is transferred to the host. The difference of Read Sectors command and Read Verify Sectors command is whether the data is transferred to the host or not. If an uncorrectable error occurs, the read verify will be terminated at the failing sector. Output parameters to the device Sector Count The number of continuous sectors to be verified. If zero is specified, 256 sectors will be verified. Sector Number The sector number of the first sector to be transferred. (L=0) In LBA mode this register contains LBA bits 0 - 7. (L=1) Cylinder High/Low The cylinder number of the first sector to be transferred. (L=0) In LBA mode this register contains LBA bits 8 - 15 (Low), 16 - 23 (High). (L=1) H The head number of the first sector to be transferred. (L=0) In LBA mode this register contains LBA bits 24 - 27. (L=1) R The retry bit. This bit is ignored.. Deskstar 120GXP hard disk drive specifications 139