LBF problem with ati in server only 1 of 2 ati are working

[gsmbolivia]

hi dears maybe have idea why inb my litlle server just work 1 of 2 ati radeon 5970 i let text


C:\ighashgpu>ighashgpu -t:sha1 -salt:0035152304738xxxxx -h64B2CB3AD0BC429156E0
147010DFA817EA65283 -uh:00010203040506070809 -min:15 -max:15
************************************************** **************
*** MD4/MD5/SHA1 GPU Password Recovery v0.80.16.1 ***
*** For ATI RV 7X0 cards and nVidia 'CUDA' ones (G80+) ***
*** (c) 2009-2010 Ivan Golubev, Ivan Golubev's Lair ***
*** see "readme.htm" for more details ***
************************************************** **************
*** Any commercial use of this program is strictly forbidden ***
************************************************** **************

Found 2 CAL device(s)
Starting brute-force attack, Charset Len = 10, Min passlen = 15, Max passlen = 1
5
Charset (unicode -> 0) []
Charset in HEX: 00 01 02 03 04 05 06 07 08 09
Starting from []
Hash type: SHA1, Hash: d64b2cb3ad0bc429156e0147010dfa817ea65283
Salt: 00 35 15 23 04 73 87 53 00
Device #0: [RV870] 1000.00 Mhz 1600 SP
Device #1: [RV870] 1000.00 Mhz 1600 SP
Cannot initialize device 0 #1, error = 35
1 out of 2 device(s) failed to initialize.
Hardware monitoring disabled.
CURPWD: ??????????????? DONE: 00.00% ETA: 10d 2h CURSPD: 1143.7M


please any coment are welcome

best regards

GsmBolivia