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SubjectRe: Kernel 2.6.37 erroneously limiting to UDMA/33
On 01/06/2011 08:47 AM, Alan Cox wrote:
> On Wed, 05 Jan 2011 13:33:49 -0500
> Stephen Clark<sclark46@earthlink.net> wrote:
>
>
>> Hello,
>>
>> Why is the kernel limiting me to udma/33 when the device says it can do
>> ata2.01: CFA: TRANSCEND, 20070831, max UDMA/66
>>
>> There is no cable the compact flash is a socket on the motherboard!
>>
> The kernel follows the ATA detection rules. If you have an adapter wedged
> into the PATA socket one motherboard then it could well be either the
> adapter isn't UDMA/66 capable or is not properly supporting cable detect.
>
> You can force it with boot options.
>
> If the CF socket is directly wired to and part of the motherboard (ie
> it's part of the board configuration), then can you send me a dmidecode,
> lspci and lspci --vvxxx as we can patch up configurations that are fixed,
> but not user added adapters.
>
> Alan
>
>
The cf flash socket is soldered directly to the mother board.
I am attaching the dmidecode for the mother board.

Thanks,
Steve

--

"They that give up essential liberty to obtain temporary safety,
deserve neither liberty nor safety." (Ben Franklin)

"The course of history shows that as a government grows, liberty
decreases." (Thomas Jefferson)



# dmidecode 2.10
SMBIOS 2.3 present.
33 structures occupying 898 bytes.
Table at 0x000F0800.

Handle 0x0000, DMI type 0, 20 bytes
BIOS Information
Vendor: Phoenix Technologies, LTD
Version: 6.00 PG
Release Date: 05/27/2008
Address: 0xE0000
Runtime Size: 128 kB
ROM Size: 1024 kB
Characteristics:
ISA is supported
PCI is supported
PNP is supported
APM is supported
BIOS is upgradeable
BIOS shadowing is allowed
ESCD support is available
Boot from CD is supported
Selectable boot is supported
BIOS ROM is socketed
EDD is supported
5.25"/360 kB floppy services are supported (int 13h)
5.25"/1.2 MB floppy services are supported (int 13h)
3.5"/720 kB floppy services are supported (int 13h)
3.5"/2.88 MB floppy services are supported (int 13h)
Print screen service is supported (int 5h)
8042 keyboard services are supported (int 9h)
Serial services are supported (int 14h)
Printer services are supported (int 17h)
CGA/mono video services are supported (int 10h)
ACPI is supported
USB legacy is supported
AGP is supported
BIOS boot specification is supported

Handle 0x0001, DMI type 1, 25 bytes
System Information
Manufacturer:
Product Name:
Version:
Serial Number:
UUID: Not Present
Wake-up Type: Power Switch

Handle 0x0002, DMI type 2, 8 bytes
Base Board Information
Manufacturer:
Product Name: CN700-8251
Version:
Serial Number:

Handle 0x0003, DMI type 3, 17 bytes
Chassis Information
Manufacturer:
Type: Desktop
Lock: Not Present
Version:
Serial Number:
Asset Tag:
Boot-up State: Unknown
Power Supply State: Unknown
Thermal State: Unknown
Security Status: Unknown
OEM Information: 0x00000000

Handle 0x0004, DMI type 4, 35 bytes
Processor Information
Socket Designation: Socket 370
Type: Central Processor
Family: Other
Manufacturer: VIA
ID: D0 06 00 00 FF BB C9 A7
Version: VIA C7
Voltage: 0.9 V
External Clock: 100 MHz
Max Speed: 1000 MHz
Current Speed: 1000 MHz
Status: Populated, Enabled
Upgrade: ZIF Socket
L1 Cache Handle: 0x0008
L2 Cache Handle: 0x0009
L3 Cache Handle: Not Provided
Serial Number:
Asset Tag:
Part Number:

Handle 0x0005, DMI type 5, 20 bytes
Memory Controller Information
Error Detecting Method: None
Error Correcting Capabilities:
None
Supported Interleave: One-way Interleave
Current Interleave: Four-way Interleave
Maximum Memory Module Size: 32 MB
Maximum Total Memory Size: 64 MB
Supported Speeds:
70 ns
60 ns
Supported Memory Types:
Standard
EDO
Memory Module Voltage: 5.0 V
Associated Memory Slots: 2
0x0006
0x0007
Enabled Error Correcting Capabilities: None

Handle 0x0006, DMI type 6, 12 bytes
Memory Module Information
Socket Designation: A0
Bank Connections: 0
Current Speed: 37 ns
Type: Other
Installed Size: 512 MB (Single-bank Connection)
Enabled Size: 512 MB (Single-bank Connection)
Error Status: OK

Handle 0x0007, DMI type 6, 12 bytes
Memory Module Information
Socket Designation: A1
Bank Connections: None
Current Speed: 37 ns
Type: Other
Installed Size: Not Installed
Enabled Size: Not Installed
Error Status: OK

Handle 0x0008, DMI type 7, 19 bytes
Cache Information
Socket Designation: Internal Cache
Configuration: Enabled, Not Socketed, Level 1
Operational Mode: Write Back
Location: Internal
Installed Size: 128 kB
Maximum Size: 128 kB
Supported SRAM Types:
Synchronous
Installed SRAM Type: Synchronous
Speed: Unknown
Error Correction Type: Unknown
System Type: Unknown
Associativity: Unknown

Handle 0x0009, DMI type 7, 19 bytes
Cache Information
Socket Designation: External Cache
Configuration: Enabled, Not Socketed, Level 2
Operational Mode: Write Back
Location: External
Installed Size: 128 kB
Maximum Size: 128 kB
Supported SRAM Types:
Synchronous
Installed SRAM Type: Synchronous
Speed: Unknown
Error Correction Type: Unknown
System Type: Unknown
Associativity: Unknown

Handle 0x000A, DMI type 8, 9 bytes
Port Connector Information
Internal Reference Designator: PRIMARY IDE
Internal Connector Type: On Board IDE
External Reference Designator: Not Specified
External Connector Type: None
Port Type: Other

Handle 0x000B, DMI type 8, 9 bytes
Port Connector Information
Internal Reference Designator: SECONDARY IDE
Internal Connector Type: On Board IDE
External Reference Designator: Not Specified
External Connector Type: None
Port Type: Other

Handle 0x000C, DMI type 8, 9 bytes
Port Connector Information
Internal Reference Designator: FDD
Internal Connector Type: On Board Floppy
External Reference Designator: Not Specified
External Connector Type: None
Port Type: 8251 FIFO Compatible

Handle 0x000D, DMI type 8, 9 bytes
Port Connector Information
Internal Reference Designator: COM1
Internal Connector Type: 9 Pin Dual Inline (pin 10 cut)
External Reference Designator:
External Connector Type: DB-9 male
Port Type: Serial Port 16450 Compatible

Handle 0x000E, DMI type 8, 9 bytes
Port Connector Information
Internal Reference Designator: COM2
Internal Connector Type: 9 Pin Dual Inline (pin 10 cut)
External Reference Designator:
External Connector Type: DB-9 male
Port Type: Serial Port 16450 Compatible

Handle 0x000F, DMI type 8, 9 bytes
Port Connector Information
Internal Reference Designator: LPT1
Internal Connector Type: DB-25 female
External Reference Designator:
External Connector Type: DB-25 female
Port Type: Parallel Port ECP/EPP

Handle 0x0010, DMI type 8, 9 bytes
Port Connector Information
Internal Reference Designator: Keyboard
Internal Connector Type: PS/2
External Reference Designator:
External Connector Type: PS/2
Port Type: Keyboard Port

Handle 0x0011, DMI type 8, 9 bytes
Port Connector Information
Internal Reference Designator: PS/2 Mouse
Internal Connector Type: PS/2
External Reference Designator:
External Connector Type: PS/2
Port Type: Mouse Port

Handle 0x0012, DMI type 8, 9 bytes
Port Connector Information
Internal Reference Designator: Not Specified
Internal Connector Type: None
External Reference Designator: USB0
External Connector Type: Other
Port Type: USB

Handle 0x0013, DMI type 9, 13 bytes
System Slot Information
Designation: PCI0
Type: 32-bit PCI
Current Usage: Available
Length: Long
ID: 1
Characteristics:
5.0 V is provided
PME signal is supported

Handle 0x0014, DMI type 9, 13 bytes
System Slot Information
Designation: PCI1
Type: 32-bit PCI
Current Usage: Available
Length: Long
ID: 2
Characteristics:
5.0 V is provided
PME signal is supported

Handle 0x0015, DMI type 9, 13 bytes
System Slot Information
Designation: PCI2
Type: 32-bit PCI
Current Usage: Available
Length: Long
ID: 3
Characteristics:
5.0 V is provided
PME signal is supported

Handle 0x0016, DMI type 9, 13 bytes
System Slot Information
Designation: PCI3
Type: 32-bit PCI
Current Usage: Available
Length: Long
ID: 4
Characteristics:
5.0 V is provided
PME signal is supported

Handle 0x0017, DMI type 9, 13 bytes
System Slot Information
Designation: AGP
Type: 32-bit AGP
Current Usage: Available
Length: Long
ID: 8
Characteristics:
5.0 V is provided

Handle 0x0018, DMI type 13, 22 bytes
BIOS Language Information
Installable Languages: 3
n|US|iso8859-1
n|US|iso8859-1
r|CA|iso8859-1
Currently Installed Language: n|US|iso8859-1

Handle 0x0019, DMI type 16, 15 bytes
Physical Memory Array
Location: System Board Or Motherboard
Use: System Memory
Error Correction Type: None
Maximum Capacity: 1 GB
Error Information Handle: Not Provided
Number Of Devices: 2

Handle 0x001A, DMI type 17, 27 bytes
Memory Device
Array Handle: 0x0019
Error Information Handle: Not Provided
Total Width: Unknown
Data Width: Unknown
Size: 512 MB
Form Factor: DIMM
Set: None
Locator: A0
Bank Locator: Bank0/1
Type: Unknown
Type Detail: None
Speed: Unknown
Manufacturer: None
Serial Number: None
Asset Tag: None
Part Number: None

Handle 0x001B, DMI type 17, 27 bytes
Memory Device
Array Handle: 0x0019
Error Information Handle: Not Provided
Total Width: Unknown
Data Width: Unknown
Size: No Module Installed
Form Factor: DIMM
Set: None
Locator: A1
Bank Locator: Bank2/3
Type: Unknown
Type Detail: None
Speed: Unknown
Manufacturer: None
Serial Number: None
Asset Tag: None
Part Number: None

Handle 0x001C, DMI type 19, 15 bytes
Memory Array Mapped Address
Starting Address: 0x00000000000
Ending Address: 0x0001FFFFFFF
Range Size: 512 MB
Physical Array Handle: 0x0019
Partition Width: 0

Handle 0x001D, DMI type 20, 19 bytes
Memory Device Mapped Address
Starting Address: 0x00000000000
Ending Address: 0x0001FFFFFFF
Range Size: 512 MB
Physical Device Handle: 0x001A
Memory Array Mapped Address Handle: 0x001C
Partition Row Position: 1

Handle 0x001E, DMI type 20, 19 bytes
Memory Device Mapped Address
Starting Address: 0x00000000000
Ending Address: 0x000000003FF
Range Size: 1 kB
Physical Device Handle: 0x001B
Memory Array Mapped Address Handle: 0x001C
Partition Row Position: 1

Handle 0x001F, DMI type 32, 11 bytes
System Boot Information
Status: No errors detected

Handle 0x0020, DMI type 127, 4 bytes
End Of Table

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