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Chapter 5 ATAPI Interface
Page 64 Seagate Travan 40 Product Manual
Page Code 2A Capabilities and Mechanical Status Page
Data Bits
Byte 7 6 5 4 3 2 1 0 Hex
0 0 0 Page Code (2A) 2A
1 Page Length (12h) 12
2 Reserved XX
3 Reserved XX
4
Rsvd Rsvd Rsvd SPREV Rsvd Rsvd Rsvd RO
1
20 or 21
5
Rsvd Rsvd QFA Rsvd EFMT Rsvd Rsvd Rsvd
28
6
CMPRS ECC Rsvd DIS-
CONNECT
EJECT
1
PREVENT
LOCKED
1
LOCK
XX
7
Rsvd Rsvd Rsvd Rsvd Rsvd BLK1024
BLK512 Rsvd
06
8
9
MSB
Maximum Speed Supported (in KBps)
LSB
07
D0
0A
0B
MSB
Reserved
LSB
XX
XX
0C
0D
MSB
Continuous Transfer Limit (in blocks)
LSB
00
00
0E
0F
MSB
Current Speed Selected (in KBps)
LSB
07
D0
10
11
MSB
Buffer Size (in 512 byte units)
LSB
10
00
12
13
MSB
Reserved
LSB
XX
XX
NOTE: 1) These values may change depending on cartridge type and drive status.
SPREV: If the SPREV bit is set, the device supports SPACE in the reverse direction.
RO: If the RO bit is set, the device is operating in read-only mode. This bit does not
reflect the state of the write protect flag on the cartridge which is indicated by the WP
bit in the Mode Page Header.
QFA: If the QFA bit is set, the device supports a two-partition format, which may be
used for quick file access.
EFMT: If the EFMT bit is set, the device supports ERASE command initiated
formatting.
CMPRS: If the CMPRS bit is set, the device supports data compression.
ECC: If the ECC bit is set, the device performs error correction.
DISCONNECT: If the DISCONNECT bit is set, the device can break up data
transfers without the need to restrict transfer lengths to the Continuous Transfer
Limit.
EJECT: If the Eject bit is set, the device can mechanically unload the cartridge with
the LOAD / UNLOAD command.