Robert
Short Answer.
You should use the 1394 OHCI Compliant Host Controller (Legacy) driver
unless you know for certain
that another driver gives you better performance.
To find out which Driver you are actually using you have to look at
Device Manager.
You should find a Device type in the list called "IEEE 1394 Bus host
controllers" that has a + to the left of it.
Click on the +.
What I see at this point is a single device listing of "1394 OHCI
Compliant Host Controller(Legacy)"
The Legacy at the end means I'm using the Legacy driver from Microsoft.
What does yours say?
If its different I can explain how solve that, or there is an article
about how to do this in Flexradio's Knowledge Center in the Support menu
on their website, titled "How to Revert the Win7 1394ohci.sys to the
Legacy Driver ".
If it matches your good to go and can stop worrying about firewire drivers.
I also have the TSB43AB23 firewire chipset.
I run the Legacy driver and I don't have firewire problems.
I still wonder why your having to reboot to get your radio "seen".
Please also tell us which version of PowerSDR you are using.
Did it ever work correctly in the past?
On 6/27/2013 8:09 PM, Robert Steele wrote:
Question is about the proper Win7 firewire driver. I have a new to me Flex
3000 and the symptom I wish to correct is the following.
Firewire does not see the flex 3000 if it is powered down and the computer
left on when radio is repowered up. What I mean is if the radio flex 3000
the PowerSDR is shut down, the power switch is turned off on the Flex 3000
hardware. I then power up the Flex 3000 hardware, then restart the
PowerSDR, the radio is not see by the computer. Only way I can get
PowerSDR to see the Flex 3000 again is by doing a restart of the computer.
Win7 64 bit high end custom build, with a PCI TI chipset for the firewire.
Using the latest release 2.6.4. Once it is running no issues.
Background, I was using the on-board VIA chipset with the legacy driver
recommended, and it had the same symptoms. I purchased the TI Flex
controller card, installed it and it worked for several weeks without issue.
I.E. did not have any restart issues as described above. Windows has been
updated via the usual nags about security and other items, but did not
recall seeing a firewire driver update.
I checked the revision driver info for the Ti chipset with the utility
provide by Flex, Here is the text printout.
OS: Microsoft Windows 7 64-bit Service Pack 1 [6.1.7601]
CPU(s):
Processor: AMD Phenom(tm) II X4 965 Processor
Physical: 1
Cores: 4
Logical: 4
L1 Cache: 64 KB (8)
L2 Cache: 512 KB (4)
L3 Cache: 6144 KB (1)
Installed RAM: 8189 MB
Microsoft 1394ohci.sys [6.1.7601.17514]
Microsoft ohci1394.sys [6.1.7600.16385] 氨��⥹
Microsoft 1394bus.sys [6.1.7600.16385] 氨��⥹
Looking for OHCI 1394 Host Controllers...
1:
Vendor : (104C) Texas Instruments
Chipset: (8024) TSB43AB23
Revision: 00
Status : Active
Details:
Subsysten VendorId: 14db
Subsystem DeviceId: 0000
Max # isoch Rx contexts: 4
Max # isoch Tx contexts: 8
Max 1394 Speed Capability: S400
Support: Compatible, no known issues.
Done.
What is the correct 1394ohci.sys version that is compatible with win7 64
bit/Flex 3000, are the above correct or has microsoft somewhere along the
line
made changes during updates to the previous drivers which may have been
installed, I made an error by not recording the driver info when the Ti PCI
card was first installed. My feeling is that somehow they have been
changed. I also noted that the VIA 6308 on board chipset has the same
driver release numbers, but appended with the legacy driver which was
suggested. (note I have disabled the Via6308 driver) Do I have the wrong
driver here? If so where do I find the correct driver for the TI chipset?
Is it somewhere in the PowerSDR software folder? What is the number of a
good driver release?
I did find info on buggy microsoft win 7 release of the 1394 but not what
the proper fix should be. Other than the legacy release from vista, but no
links to the driver to be used.
Thanks in advance Bob WB3DEH
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