以下の環境で黒塗り現象が発生しなくなりました。
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System Infomation
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OS : Windows XP Professional Service Pack 1 [5.1 Build 2600]
Display Mode : 1600 x 1200 16bit 75Hz
Memory : 1536 MB
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CPU
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CPU Name : Intel Pentium III (Coppermine)
Vendor String : GenuineIntel
Platform : Socket 370
CPU Type : Original OEM processor
Number(Logical) : 2
Family : 6
Model : 8
Stepping : 6
BrandID : 02
Feature : MMX SSE
Current Original
Clock1 : 1000.07 MHz 1000.00 MHz
Clock2 : 1000.07 MHz 1000.00 MHz
System Bus : 133.34 MHz 133.33 MHz
System Clock : 133.34 MHz 133.33 MHz
Multiplier : 7.50
Data Rate : SDR
Over Clock : 0.01 %
L1 I-Cache : 16 KB
L1 D-Cache : 16 KB
L2 Cache : 256 KB [Full:1000.07 MHz]
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Graphics
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Video : NVIDIA GeForce2 Ultra (NV16)
Video Product : Canopus SPECTRA 8800
Video Vendor : Canopus
Video Chip : GeForce2 Ultra
Video RAM : 64
Driver Version : 6.13.10.3082
Driver Date : 2002/09/10
