Cache Memory Configuration - DTK PAM-0057I User Manual

Double means Double side SIMM Module or Double side DIMM Module. The size of Double
side SIMM can be 8MB, 32MB and the size of Double side DIMM can be 16MB, 64MB.
**Note: based on above chart, the different types of SIMM can be in different
bank, but within same bank, the two SIMM modules must be of same
type and size. Moreover, it is not recommended to installed the 5V
SIMM and 3.3V DIMM at the same time.
2.9

CACHE MEMORY CONFIGURATION

The mainboard has a built-in cache controller. It requires external SRAM as tag and
data memory.
Cache Tag RAM Location: U9
Synchronous Pipeline Burst SRAM Location: U5, U6
Cache
Size
256K
512K
*Note: Tag RAM are all 5V device, Pipeline Burst data RAM are 3.3V device e.g. Winbond
W259022AF.
Tag RAM (U9)
8Kx8/16Kx8
16Kx8
Table 3: Secondary Cache Configuration
Jumper Settings
Data RAM
(U5, U6)
32Kx32
64Kx32
17