| ata.4 (6a068746777241722b2b32c5d0bc443a2a64d80b) | ata.4 (7e3de069eff9352649f7f464c71560b1bd84a8fc) |
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| 1.\" Copyright (c) 2011 Alexander Motin <mav@FreeBSD.org> 2.\" All rights reserved. 3.\" 4.\" Redistribution and use in source and binary forms, with or without 5.\" modification, are permitted provided that the following conditions 6.\" are met: 7.\" 1. Redistributions of source code must retain the above copyright 8.\" notice, this list of conditions and the following disclaimer. --- 88 unchanged lines hidden (view full) --- 97.It Va hint.ata.X.devX.mode 98limits the initial ATA mode for the specified device on specified the channel. 99.It Va hint.ata.X.mode 100limits the initial ATA mode for every device on the specified channel. 101.It Va hint.ata.X.pm_level 102controls SATA interface Power Management for the specified channel, 103allowing some power savings at the cost of additional command latency. 104Possible values: | 1.\" Copyright (c) 2011 Alexander Motin <mav@FreeBSD.org> 2.\" All rights reserved. 3.\" 4.\" Redistribution and use in source and binary forms, with or without 5.\" modification, are permitted provided that the following conditions 6.\" are met: 7.\" 1. Redistributions of source code must retain the above copyright 8.\" notice, this list of conditions and the following disclaimer. --- 88 unchanged lines hidden (view full) --- 97.It Va hint.ata.X.devX.mode 98limits the initial ATA mode for the specified device on specified the channel. 99.It Va hint.ata.X.mode 100limits the initial ATA mode for every device on the specified channel. 101.It Va hint.ata.X.pm_level 102controls SATA interface Power Management for the specified channel, 103allowing some power savings at the cost of additional command latency. 104Possible values: |
| 105.Bl -tag -compact | 105.Pp 106.Bl -tag -width 4n -offset indent -compact |
| 106.It 0 107Interface Power Management is disabled. 108This is the default value. 109.It 1 110The device is allowed to initiate a PM state change; the host is passive. 111.It 2 112The host initiates a PARTIAL PM state transition every time a port becomes idle. 113.It 3 114host initiates SLUMBER PM state transition every time port becomes idle. 115.El | 107.It 0 108Interface Power Management is disabled. 109This is the default value. 110.It 1 111The device is allowed to initiate a PM state change; the host is passive. 112.It 2 113The host initiates a PARTIAL PM state transition every time a port becomes idle. 114.It 3 115host initiates SLUMBER PM state transition every time port becomes idle. 116.El |
| 117.Pp |
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| 116Modes 2 and 3 are only supported for AHCI. 117.El 118.Sh DESCRIPTION 119The 120.Nm 121driver gives the 122.Xr CAM 4 123subsystem access to the ATA (IDE) and SATA ports --- 145 unchanged lines hidden --- | 118Modes 2 and 3 are only supported for AHCI. 119.El 120.Sh DESCRIPTION 121The 122.Nm 123driver gives the 124.Xr CAM 4 125subsystem access to the ATA (IDE) and SATA ports --- 145 unchanged lines hidden --- |