For reference, here's the contents of the 490's video card's registers:

# pcictl /dev/pci7 list
007:00:0: NVIDIA product 0x014d (VGA display, revision 0xa2)
# pcictl /dev/pci7 dump -d 0
PCI configuration registers:
   Common header:
     0x00: 0x014d10de 0x00100003 0x030000a2 0x00000010

     Vendor Name: NVIDIA (0x10de)
     Device ID: 0x014d
     Command register: 0x0003
       I/O space accesses: on
       Memory space accesses: on
       Bus mastering: off
       Special cycles: off
       MWI transactions: off
       Palette snooping: off
       Parity error checking: off
       Address/data stepping: off
       System error (SERR): off
       Fast back-to-back transactions: off
       Interrupt disable: off
     Status register: 0x0010
       Capability List support: on
       66 MHz capable: off
       User Definable Features (UDF) support: off
       Fast back-to-back capable: off
       Data parity error detected: off
       DEVSEL timing: fast (0x0)
       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: display (0x03)
     Subclass Name: VGA (0x00)
     Interface: 0x00
     Revision ID: 0xa2
     BIST: 0x00
     Header Type: 0x00 (0x00)
     Latency Timer: 0x00
     Cache Line Size: 0x10

   Type 0 ("normal" device) header:
     0x10: 0xf4000000 0xd800000c 0x00000000 0xfb000004
     0x20: 0x00000000 0x00000000 0x00000000 0x034910de
     0x30: 0xfce00000 0x00000060 0x00000000 0x0000010b

     Base address register at 0x10
       type: 32-bit nonprefetchable memory
       base: 0xf4000000, not sized
     Base address register at 0x14
       type: 64-bit prefetchable memory
       base: 0x00000000d8000000, not sized
     Base address register at 0x1c
       type: 64-bit nonprefetchable memory
       base: 0x00000000fb000000, not sized
     Base address register at 0x24
       not implemented(?)
     Cardbus CIS Pointer: 0x00000000
     Subsystem vendor ID: 0x10de
     Subsystem ID: 0x0349
     Expansion ROM Base Address: 0xfce00000
     Capability list pointer: 0x60
     Reserved @ 0x38: 0x00000000
     Maximum Latency: 0x00
     Minimum Grant: 0x00
     Interrupt pin: 0x01 (pin A)
     Interrupt line: 0x0b

   Capability register at 0x60
     type: 0x01 (Power Management, rev. 1.0)
   Capability register at 0x68
     type: 0x05 (MSI)
   Capability register at 0x78
     type: 0x10 (PCI Express)

   Device-dependent header:
     0x40: 0x034910de 0x00000000 0x00000000 0x00000000
     0x50: 0x00000001 0x00000001 0x0023d6ce 0x00000000
     0x60: 0x00026801 0x00000000 0x00807805 0x00000000
     0x70: 0x00000000 0x00000000 0x00010010 0x025804c0
     0x80: 0x00002816 0x04012d01 0x11010040 0x00000000
     0x90: 0x00000000 0x00000000 0xc140080c 0xc1400401
     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: 0x00000000 0x00000000 0x00000000 0x00000000

#

Would using a different video card be likely to help?


Ray