IBM IC35L040AVVN07-0 - 40GB IDE Deskstar 120GXP 7200RPM UATA-100 07N9682 Specifications page 120

L LBA mode. Indicates the addressing mode. Zero specifies CHS mode and one specifies
LBA addressing mode.
R Retry. Original meaning is obsoleted, there is no difference between 0 and 1. (Use of 0 is
recommended for future compatibility.).
B Option Bit. Indicates that the Option Bit of the Sector Count Register should be specified.
(This bit is used by Set Max Address command)
V Valid. Indicates that the bit is part of an output parameter and should be specified.
x Indicates that the hex character is not used.
- Indicates that the bit is not used.
Input Registers
0 Indicates that the bit is always set to zero.
1 Indicates that the bit is always set to one.
H Head number. Indicates that the head number part of the Device/Head Register is an
input parameter and will be set by the device.
V Valid. Indicates that the bit is part of an input parameter and will be set to zero or one by
the device.
- Indicates that the bit is not part of an input parameter.
The command descriptions show the contents of the Status and Error Registers after the device has com-
pleted processing the command and has interrupted the host.
Deskstar 120GXP hard disk drive specifications
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