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RIVA128ZX Datasheet(PDF) 33 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) 33 Page - STMicroelectronics

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128-BIT 3D MULTIMEDIA ACCELERATOR
RIVA128ZX
33/85
Figure 30.
4 MByte SGRAM configurations using 16Mbit devices
NOTE
1
The 64-bit bus data paths populated by RIVA128ZX are determined by the BIOS during its boot memory detection se-
quence.
FBD[127:0]
FBDQM[0]#
FBDQM[1]#
FBD[31:0]
FBD[95:64]
FBDQM[2]#
FBDQM[3]#
FBDQM[8]#
FBDQM[9]#
FBDQM[10]#
FBDQM[11]#
FBCS[0]#
FBCLK0
FBCS[1]#
FBCLK0
b. Compatible with RIVA128ZX layout
implementing SO-DIMM upgrade to 8Mbytes
FBD[127:0]
FBDQM[0]#
FBDQM[1]#
Bank 0
512K
×32
SGRAM
FBD[31:0]
FBD[63:32]
FBDQM[2]#
FBDQM[3]#
FBDQM[4]#
FBDQM[5]#
FBDQM[6]#
FBDQM[7]#
FBCS[0]#
FBCLK0
FBCS[0]#
FBCLK1
a. RIVA 128 layout compatible
Bank 1
512K
×32
SGRAM
Bank 0
512K
×32
SGRAM
Bank 2
512K
×32
SGRAM



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