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sys_attrs_ace(5)
NAME
  sys_attrs_ace - ace subsystem attributes

DESCRIPTION
  This reference page lists and describes attributes for the serial driver
  (ace) kernel subsystem, used only on the DEC 2000, AlphaServer, and
  AlphaStation family of processors. Refer to the sys_attrs(5) reference page
  for an introduction to the topic of kernel subsystem attributes.

  ace_cnt
      Number of communication ports configured for the system. The ace_cnt
      value is query only and cannot be changed directly by users.

      Default value: 0

      Minimum value: 0

      Maximum value: 8

  ace_debug
      A value that turns ace debugging mode on (1) or off (0).

      Default value: 0 (off)

      Do not modify the default value of this attribute unless instructed to
      do so by support personnel.

  ace_major
      The major number assigned to device special files /dev/tty0n (where n
      equals 0 to 8). The ace_major value is query only and cannot be changed
      directly by users.

      Default value: 35

      Minimum value: 0

      Maximum value: 512

  dcd_timer
      The number of seconds that Data Carrier Detect must be done before
      declaring that a disconnect has occurred. Valid values are 0, 1, and 2.

      Default value: 2 (seconds)

SEE ALSO
  sys_attrs(5)

Index for Section 5

Alphabetical listing for S

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