ATAPI characteristics:
ATAPI device
Model: GCD-R520B
Firmware revision: 1.1
Supported ATA versions: ATA-1 ATA/ATAPI-4
Maximum ATA revision supported: Minor ATA version not specified
Parallel ATA device:
PIO timing mode: 2
DMA timing mode: 2
Advanced PIO: PIO0
Multi-word DMA: MDMA0 MDMA1

ATAPI CD-ROM/DVD/etc device
Device shall assert INTRQ when DRQ is set to one
ATAPI device uses 12 byte command packet
Device capabilities:
IORDY is supported
At minimum 150 ns. transfer cycle time per word in MDMA, 150 ns. recommended
At minimum 180 ns. transfer cycle time per word in PIO, without flow control
At minimum 180 ns. transfer cycle time per word in PIO, with IORDY flow control
Command set and features:
28-bit LBA is supported

SCSI characteristics:
Vendor: GoldStar (LG Electronics Inc.)
Product: CD-ROM GCD-R520B
Revision: 1.1
Device is connected and supported.
CD-ROM/DVD/etc device
Device claims to comply with ANSI X3.408:2005 (SPC-3)
Device does not claim to comply with any SCSI ECMA standard
Device does not claim to comply with any SCSI ISO/IEC standard
Device is removable
Device supports setting Normal ACA
Device supports LUN hierarchical addressing
Device does not support assymetrical access
Device supports only ST clocking
Device supports MODE SENSE (10)
Device supports MODE SENSE subpages