Intel 815 Manuel D’Utilisation
Intel® 815 Chipset: Graphics Controller PRM, Rev 1.0
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15.4.1.4.
OBUF_0V—Overlay Buffer 0 V Pointer Register
Memory Address Offset:
0Ch (R/W)
On-chip Reg. Mem Addr Offset:
3010Ch (RO; debug path)
Default Value:
00h
Access:
see address offset above
Size:
32 bits
31
26 25
0
Reserved
Overlay Buffer 0 V Pointer
Bit Description
31:26
Reserved.
25:0
Overlay Buffer 0 V Pointer. This register is used for YUV Planar Modes only. It points to the start of
the V addresses in the interleaved UV formats (byte address).
the V addresses in the interleaved UV formats (byte address).
15.4.1.5.
OBUF_1U—Overlay Buffer 1 U Pointer Register
Memory Address Offset:
10h (R/W)
On-chip Reg. Mem Addr Offset:
30110h (RO; debug path)
Default Value:
00h
Access:
see address offset above
Size:
32 bits
31
26 25
0
Reserved
Overlay Buffer 1 U Pointer
Bit Descriptiont
31:26
Reserved.
25:0
Overlay Buffer 1 U Pointer. This register is used for YUV Planar Modes only. It points to the start of
the U addresses in the interleaved UV formats (byte address).
the U addresses in the interleaved UV formats (byte address).