ATA characteristics:
ATA device
Model: Maxtor 90645D3
Firmware revision: GAS54112
Supported ATA versions: ATA-1 ATA-2 ATA-3 ATA/ATAPI-4
Maximum ATA revision supported: ATA/ATAPI-4 T13 1153D revision 17
Parallel ATA device:
PIO timing mode: 2
DMA timing mode: 2
Advanced PIO: PIO0 PIO1
Multi-word DMA: MDMA0 MDMA1 MDMA2
Ultra DMA: UDMA0 UDMA1 UDMA2 (active)
Logical sector size: 512 bytes
READ LONG sector size: 541 bytes
Cylinders: 12495 max., 12495 current
Heads: 16 max., 16 current
Sectors per track: 63 max., 63 current
Sectors addressable in CHS mode: 12594960 max., 12594960 current
Device size in CHS mode: 6448619520 bytes, 6448 Mb, 6149.88 MiB
Sectors addressable in sectors in 28-bit LBA mode: 12594960
Device size in 28-bit LBA mode: 6448619520 bytes, 6 Gb, 6.01 GiB

Device is fixed
0 KiB of dual ported multi sector buffer with read caching
Device capabilities:
Standby time values are standard
IORDY is supported and can be disabled
DMA is supported
A maximum of 8 sectors can be transferred per interrupt on READ/WRITE MULTIPLE
Device supports setting a maximum of 16 sectors
At minimum 120 ns. transfer cycle time per word in MDMA, 120 ns. recommended
At minimum 120 ns. transfer cycle time per word in PIO, without flow control
At minimum 120 ns. transfer cycle time per word in PIO, with IORDY flow control
Command set and features:
NOP is supported and enabled
READ BUFFER is supported and enabled
WRITE BUFFER is supported and enabled
Host Protected Area is supported and enabled
Look-ahead read is supported and enabled
Write cache is supported and enabled
Power management is supported and enabled
28-bit LBA is supported
DOWNLOAD MICROCODE is supported and enabled
S.M.A.R.T. is supported and enabled

Device supports READ SECTOR(S) command in CHS mode
Device supports READ SECTOR(S) RETRY command in CHS mode
Device supports READ DMA command in CHS mode
Device supports READ DMA RETRY command in CHS mode
Device supports READ SECTOR(S) command in 28-bit LBA mode
Device supports READ SECTOR(S) RETRY command in 28-bit LBA mode
Device supports READ DMA command in 28-bit LBA mode
Device supports READ DMA RETRY command in 28-bit LBA mode
Device supports SEEK command in CHS mode
Device supports SEEK command in 28-bit LBA mode