You may want to check and make sure the second head isn't accidentally turned on. OpenGL works for my G400 MAX, but only if the second adaptor is turned off. Otherwise, I have the same problems you're having.
.sig to be updated with new config shortly.
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Primary System: PIII-540 (450@4.5x120), Soyo 6BA+ III, 256MB PC100 ECC SDRAM, Millennium G200 AGP, Millennium II, Voodoo2 SLI, Two Mitsubishi Diamond Pro 900u monitors, 3Com 3C905, SoundBlaster 32, Altec Lansing AC5 spkrs, 2nd Parallel Port, WD AC41800 18GB HD, WD AC310100 10GB HD, Toshiba XM-6102b CD-ROM, HP 8100i CD-RW, Epson Stylus Pro, Sharp JX-9400 LJ-II compatible, OptiUPS PowerES 650, MS SideWinder Precision Pro USB joystick, Logitech 3-button mouse, Mitsumi keyboard, Win98 SE, Belkin OmniCube 4-port KVM
Secondary System: PII-266, Asus P2B BIOS 1008, 128MB PC100 ECC SDRAM, Millennium II, 3Com 3C590, ADSL Modem 640kbit down/90kbit up, 3Com 3C509, Mylex BT-930 SCSI card, Seagate 2GB Hawk, NEC 6x CD-ROM, Linux distro S.u.S.E. 6.1 (IP Masquerade works!)
Tertiary System: DFI G568IPC Intel 430HX chipset, P200MMX, 96MB of non-parity RAM, Millennium II, 3Com 3C900, SoundBlaster 16 MCD, Fujitsu 3.5GB HD, WD 1.2GB HD, OS of the week
All specs subject to change.
.sig to be updated with new config shortly.
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Primary System: PIII-540 (450@4.5x120), Soyo 6BA+ III, 256MB PC100 ECC SDRAM, Millennium G200 AGP, Millennium II, Voodoo2 SLI, Two Mitsubishi Diamond Pro 900u monitors, 3Com 3C905, SoundBlaster 32, Altec Lansing AC5 spkrs, 2nd Parallel Port, WD AC41800 18GB HD, WD AC310100 10GB HD, Toshiba XM-6102b CD-ROM, HP 8100i CD-RW, Epson Stylus Pro, Sharp JX-9400 LJ-II compatible, OptiUPS PowerES 650, MS SideWinder Precision Pro USB joystick, Logitech 3-button mouse, Mitsumi keyboard, Win98 SE, Belkin OmniCube 4-port KVM
Secondary System: PII-266, Asus P2B BIOS 1008, 128MB PC100 ECC SDRAM, Millennium II, 3Com 3C590, ADSL Modem 640kbit down/90kbit up, 3Com 3C509, Mylex BT-930 SCSI card, Seagate 2GB Hawk, NEC 6x CD-ROM, Linux distro S.u.S.E. 6.1 (IP Masquerade works!)
Tertiary System: DFI G568IPC Intel 430HX chipset, P200MMX, 96MB of non-parity RAM, Millennium II, 3Com 3C900, SoundBlaster 16 MCD, Fujitsu 3.5GB HD, WD 1.2GB HD, OS of the week
All specs subject to change.
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