hex encoded salt SHA1 Hash with Intel GPU on W7

[SG]

I have several pretty simple 20 byte lenght hex SHA1 hashes to brute force:
-the salt needs to be 0000000000000000
-the pwd lenght is exactly 8 chars, can contain only numerical digits
-EXAMPLE: EF63BF26E2382917D96850CCF9632458EE6E6C77:0000000000000000. The result should be: 50681318

Is it possible to brute force on a WINDOWS 7 laptop with a weak built in Intel GPU (Mobile Intel® 945GM Express Chipset Family)? Please let me know exactly how it can be done.

-ighashgpu.exe /h:EF63BF26E2382917D96850CCF9632458EE6E6C77 /tha1 /c:d /max:8 /min:8 /salt:0000000000000000 would be a solution for sure, but NOT running on Intel 945GM GPU
-hashcat-cli32.exe --attack-mode=3 --hash-mode=101 --salt-file=salt.txt --output-file=result.txt --threads=2 --bf-pw-min=8 --bf-pw-max=8 --bf-cs-buf=1234567890 hash.txt finishes the process, but does NOT provide result. It may be due to the hex based input.
-Hashcat-lite with --hex-salt option may be a solution, but requires again a more advanced GPU

Please advice.

Thank you in advance.