IBM DTNA-22160 - Travelstar 2.1 GB Hard Drive, Specifications

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Note 1.
When Feature register is 03h ( = S e t Transfer mode), the Sector Count Register specifies the transfer mech-
anism. The upper 5 bits define the type of transfer and the low order 3 bits encode the mode value.
PIO Default Transfer Mode 00000 000
PIO Default Transfer Mode,Disable IORDY 00000 001
PIO Flow Control Transfer Mode x 00001 nnn (nnn=000,001,010,011,100)
Single word DMA mode x 00010 nnn (nnn=000,001,010)
Multiword DMA mode x 00100 nnn (nnn=000,001,010)
Note 2.
If the number of auto reassigned sector reaches the device's reassignment capacity, the write cache function
will be automatically disabled.
Although the device still accepts the Set Features command with Feature
register = 02h without error, but the write cache function will remains disabled. For current write cache
function status, please refer to Identify Device Information(129word) by Identify Device command.
Note 3.
After power on reset or hard reset, the device is set to the following features as default.
Write cache : Enable
ECC bytes : 4 bytes
Read look-ahead : Enable
Reverting to power on defaults : Disable
Command Descriptions
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