82443GX Datasheet, PDF (54/128 Pages) Intel Corporation – Intel 440GX AGPset: 82443GX Host Bridge/Controller

Register Description
3.3.22
RPS—SDRAM Row Page Size Register (Device 0)
Address Offset:
Default Value:
Access:
Size:
74h–75h
0000h
Read/Write
16 bits
This register sets the row page size for SDRAM.
Bit
Description
Page Size (PS). Each pair of bits in this register indicate the page size used for one row of DRAM.
The encoding of the two bit fields.
Bits[1:0] Page Size
00
2 KB
01
4 KB
10
8 KB
11
Reserved
15:0 ^{RPS bits Corresponding DRB register}
1:0
3:2
5:4
7:6
9:8
11:10
13:12
15:14
DRB[0], row 0
DRB[1], row 1
DRB[2], row 2
DRB[3], row 3
DRB[4], row 4
DRB[5], row 5
DRB[6], row 6
DRB[7], row 7
3-30
82443GX Host Bridge Datasheet