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NAME
     adv — Advansys ISA/VL/PCI Narrow 8bit SCSI Host adapter driver


SYNOPSIS
     To compile this driver into the kernel, place the following lines in your kernel
     configuration file:

           device scbus
           device adv

           For one or more VL/ISA cards:
           device isa

           In /boot/device.hints:
           hint.adv.0.at="isa"

           For one or more PCI cards:
           device pci


DESCRIPTION
     This driver provides access to the narrow 8bit SCSI bus connected to the Advanced Systems
     Products, Inc.  ASC900, ASC1000, ASC1090, ASC1200, ASC3030, ASC3050, and ASC3150 host
     adapter chips.  The following tables list the AdvanSys products using these chips, their bus
     attachment type, maximum sync rate, and the maximum number of commands that can be handled
     by the adapter concurrently.

           Connectivity Products:

           Adapter      Bus      Floppy  MaxSync  Commands  Footnotes
           ABP510/5150  ISA      No      10MHz    240       1
           ABP5140      ISA PnP  No      10MHz    16        1, 3
           ABP5142      ISA PnP  Yes     10MHz    16        4
           ABP[3]902    PCI      No      10MHz    16
           ABP3905      PCI      No      10MHz    16
           ABP915       PCI      No      10MHz    16
           ABP920       PCI      No      10MHz    16
           ABP3922      PCI      No      10MHz    16
           ABP3925      PCI      No      10MHz    16
           ABP930       PCI      No      10MHz    16        5
           ABP930U      PCI      No      20MHz    16
           ABP930UA     PCI      No      20MHz    16
           ABP960       PCI      No      10MHz    16        2
           ABP960U      PCI      No      20MHz    16        2

           Footnotes:
           1.   This board has been shipped by HP with the 4020i CD-R drive.  The board has no
                BIOS so it cannot control a boot device, but it can control any secondary SCSI
                device.
           2.   This board has been sold by Iomega as a Jaz Jet PCI adapter.
           3.   This board has been sold by SIIG as the i540 SpeedMaster.
           4.   This board has been sold by SIIG as the i542 SpeedMaster.
           5.   This board has been sold by SIIG as the Fast SCSI Pro PCI.

           Single Channel Products:

           Adapter        Bus    Floppy    MaxSync    Commands
           ABP542         ISA    Yes       10MHz      240
           ABP842         VL     Yes       10MHz      240
           ABP940         PCI    No        10MHz      240
           ABP[3]940UA    PCI    No        20MHz      240
           ABP940U        PCI    No        20MHz      240
           ABP3960UA      PCI    No        20MHz      240
           ABP970         PCI    No        10MHz      240
           ABP970U        PCI    No        20MHz      240

           Multi Channel Products (Commands are per-channel):

           Adapter      Bus  Floppy  MaxSync  Commands  Channels
           ABP852       VL   Yes     10MHz    240       2
           ABP950       PCI  No      10MHz    240       2
           ABP980       PCI  No      10MHz    240       4
           ABP980U      PCI  No      20MHz    240       4
           ABP[3]980UA  PCI  No      20MHz    16        4

     For ISA or Vesa Local Bus adapters, one kernel hints entry is required for every card to be
     attached by the system.  Specific values for the port address, irq and drq may be specified.
     If unspecified, the driver will query the device for its current settings and use those.  If
     the port address is unspecified, the driver will search for it at one of the possible
     addresses.  Cards configured for ISA PNP addresses are found automatically.  The possible
     port addresses for these card are 0x110, 0x130, 0x150, 0x190, 0x210, 0x230, 0x250, and
     0x330.

     Per target configuration performed in the AdvanceWare menu, which is accessible at boot, is
     honored by this driver.  This includes synchronous/asynchronous transfers, maximum
     synchronous negotiation rate, disconnection, tagged queueing, and the host adapter's SCSI
     ID.  The global setting for the maximum number of tagged transactions allowed per target is
     not honored as the CAM SCSI system will automatically determine the maximum number of tags a
     device can receive as well as guarantee fair resource allocation among devices.


HARDWARE
     The adv driver supports the following SCSI controllers:

     •   AdvanSys ABP510/5150
     •   AdvanSys ABP5140
     •   AdvanSys ABP5142
     •   AdvanSys ABP902/3902
     •   AdvanSys ABP3905
     •   AdvanSys ABP915
     •   AdvanSys ABP920
     •   AdvanSys ABP3922
     •   AdvanSys ABP3925
     •   AdvanSys ABP930, ABP930U, ABP930UA
     •   AdvanSys ABP960, ABP960U
     •   AdvanSys ABP542
     •   AdvanSys ABP842
     •   AdvanSys ABP940
     •   AdvanSys ABP940UA/3940UA
     •   AdvanSys ABP940U
     •   AdvanSys ABP3960UA
     •   AdvanSys ABP970, ABP970U
     •   AdvanSys ABP852
     •   AdvanSys ABP950
     •   AdvanSys ABP980, ABP980U
     •   AdvanSys ABP980UA/3980UA


SEE ALSO
     adw(4), aha(4), ahc(4), cd(4), da(4), sa(4), scsi(4)


HISTORY
     The adv driver appeared in FreeBSD 3.0.


AUTHORS
     The adv driver was ported by Justin T. Gibbs from the Linux driver written by Bob Frey of
     Advanced System Products, Inc.  Many thanks to AdvanSys for providing the original driver
     under a suitable license for use in FreeBSD.