Hi:
Thank you for your reply. I have found a solution, modify the following parameters, and then it's normal:
Original parameters in rcw:
SYS_PLL_RAT=4
MEM_PLL_RAT=16
CGA_PLL1_RAT=15
CGA_PLL2_RAT=12
HWA_CGA_M1_CLK_SEL=7
HWA_CGA_M2_CLK_SEL=1
HWA_CGA_M3_CLK_SEL=6
HWA_CGA_M4_CLK_SEL=3
Modified parameters in rcw:
SYS_PLL_RAT=4
MEM_PLL_RAT=16
CGA_PLL1_RAT=13
CGA_PLL2_RAT=12
HWA_CGA_M1_CLK_SEL=7
HWA_CGA_M2_CLK_SEL=7
HWA_CGA_M3_CLK_SEL=2
HWA_CGA_M4_CLK_SEL=3