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RIVA128ZX Datasheet(PDF) 84 Page - STMicroelectronics

Part # RIVA128ZX
Description  128-BIT 3D MULTIMEDIA ACCELERATOR
PDF  85 Pages
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Manufacturer  STMICROELECTRONICS [STMicroelectronics]
Direct Link  http://www.st.com
Logo STMICROELECTRONICS - STMicroelectronics

RIVA128ZX Datasheet(HTML) 84 Page - STMicroelectronics

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128-BIT 3D MULTIMEDIA ACCELERATOR
RIVA128ZX
84/85
Byte offsets 0x67 - 0x64
Power Management Control/Status Register (0x67 - 0x64)
Byte offset 0xFF - 0x50
0x67
0x66
0x65
0x64
31 30 29 28 27 26 25 24 23 22 21 20 19 18 17 16 15 14 13 12 11 10
98
76543
210
Bits
Function
RW I
31:2
Reserved
R- 0
1:0
POWER_STATE
indicates and controls the current power state of
RIVA128ZX. Two power states are supported D0 (full power) and D3hot (low
power).
0x0 = D0
0x3 = D3hot
The RIVA128ZX does not physically change its power consumption when
POWER_STATE is modified. The device can be transitioned from D3 to D0
either by writing to this register or by applying a hard reset to the PCIRST#
pin.
RW 0
31 30 29 28 27 26 25 24 23 22 21 20 19 18 17 16 15 14 13 12 11 10
98
76543
210
Reserved = 0x00000000



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