Hi, I have just purchased a Promise SATAII150TX4 to go with a 250GB seagate
drive, assuming that it would be supported, and discovered that it isn't. Is
anyone currently working on support for this card? Or is there a way I can
make it work?

The dmesg info:
Promise Technology product 0x3d18 (miscellaneous mass storage, revision
0x02) at pci0 dev 10 function 0 not configured

pcictl dump:
PCI configuration registers:
  Common header:
    0x00: 0x3d18105a 0x02300117 0x01800002 0x00004801

    Vendor Name: Promise Technology (0x105a)
    Device ID: 0x3d18
    Command register: 0x0117
      I/O space accesses: on
      Memory space accesses: on
      Bus mastering: on
      Special cycles: off
      MWI transactions: on
      Palette snooping: off
      Parity error checking: off
      Address/data stepping: off
      System error (SERR): on
      Fast back-to-back transactions: off
    Status register: 0x0230
      Capability List support: on
      66 MHz capable: on
      User Definable Features (UDF) support: off
      Fast back-to-back capable: off
      Data parity error detected: off
      DEVSEL timing: medium (0x1)
      Slave signaled Target Abort: off
      Master received Target Abort: off
      Master received Master Abort: off
      Asserted System Error (SERR): off
      Parity error detected: off
    Class Name: mass storage (0x01)
    Subclass Name: miscellaneous (0x80)
    Interface: 0x00
    Revision ID: 0x02
    BIST: 0x00
    Header Type: 0x00 (0x00)
    Latency Timer: 0x48
    Cache Line Size: 0x01

  Type 0 ("normal" device) header:
    0x10: 0x0000ec01 0x00000000 0x0000e001 0xfeb00000
    0x20: 0xfea00000 0x00000000 0x00000000 0x3d18105a
    0x30: 0xfe900000 0x00000060 0x00000000 0x12040105

    Base address register at 0x10
      type: i/o
      base: 0x0000ec00, not sized
    Base address register at 0x14
      not implemented(?)
    Base address register at 0x18
      type: i/o
      base: 0x0000e000, not sized
    Base address register at 0x1c
      type: 32-bit nonprefetchable memory
      base: 0xfeb00000, not sized
    Base address register at 0x20
      type: 32-bit nonprefetchable memory
      base: 0xfea00000, not sized
    Base address register at 0x24
      not implemented(?)
    Cardbus CIS Pointer: 0x00000000
    Subsystem vendor ID: 0x105a
    Subsystem ID: 0x3d18
    Expansion ROM Base Address: 0xfe900000
    Capability list pointer: 0x60
    Reserved @ 0x38: 0x00000000
    Maximum Latency: 0x12
    Minimum Grant: 0x04
    Interrupt pin: 0x01 (pin A)
    Interrupt line: 0x05

  Capability register at 0x60
    type: 0x01 (Power Management, rev. 1.0)

  Device-dependent header:
    0x40: 0x00050000 0x00000000 0x00000000 0x00000000
    0x50: 0x00000000 0x00000000 0x00000000 0x00000000
    0x60: 0x02220001 0x00000000 0x00000000 0x00000000
    0x70: 0x00000000 0x00000000 0x00000000 0x00000000
    0x80: 0x00000000 0x00000000 0x00000000 0x00000000
    0x90: 0x00000000 0x00000000 0x00000000 0x00000000
    0xa0: 0x00000000 0x00000000 0x00000000 0x00000000
    0xb0: 0x00000000 0x00000000 0x00000000 0x00000000
    0xc0: 0x00000000 0x00000000 0x00000000 0x00000000
    0xd0: 0x00000000 0x00000000 0x00000000 0x00000000
    0xe0: 0x00000000 0x00000000 0x00000000 0x00000000
    0xf0: 0x04000000 0x0003ffff 0x00000000 0x00000000