localhost ~ # echo ">=x11-drivers/nvidia-drivers-1.0.9700" >> /etc/portage/package.mask
localhost ~ # eselect opengl set nvidia
Switching to nvidia OpenGL interface... done
localhost ~ # accel-manager
XGL is not running
DRI not ok
XGL is not running
OpenGL acceleration is NOT available.
something set currentStatus to  0
DRI not ok
XGL is not running
AIGLX is NOT available here
DRI not ok
XGL is not running
DRI not ok
XGL is not running
localhost ~ # lspci
00:00.0 Host bridge: VIA Technologies, Inc. VT8366/A/7 [Apollo KT266/A/333]
00:01.0 PCI bridge: VIA Technologies, Inc. VT8366/A/7 [Apollo KT266/A/333 AGP]
00:06.0 Modem: PCTel Inc HSP MicroModem 56 (rev 02)
00:07.0 Ethernet controller: Realtek Semiconductor Co., Ltd. RTL-8029(AS)
00:08.0 Multimedia audio controller: Ensoniq 5880 AudioPCI (rev 04)
00:11.0 ISA bridge: VIA Technologies, Inc. VT8233 PCI to ISA Bridge
00:11.1 IDE interface: VIA Technologies, Inc. VT82C586A/B/VT82C686/A/B/VT823x/A/C PIPC Bus Master IDE (rev 06)
00:11.2 USB Controller: VIA Technologies, Inc. VT82xxxxx UHCI USB 1.1 Controller (rev 1b)
00:11.3 USB Controller: VIA Technologies, Inc. VT82xxxxx UHCI USB 1.1 Controller (rev 1b)
00:11.4 USB Controller: VIA Technologies, Inc. VT82xxxxx UHCI USB 1.1 Controller (rev 1b)
01:00.0 VGA compatible controller: nVidia Corporation NV11 [GeForce2 MX/MX 400] (rev b2)
localhost ~ # cat /var/log/Xorg.*.log | grep "(EE)"
        (WW) warning, (EE) error, (NI) not implemented, (??) unknown.
(EE) Failed to initialize GLX extension (NVIDIA X driver not found)
localhost ~ # eselect opengl show
nvidia
localhost ~ #