Table of Contents
Advertisement
Jumpers for Cache and Main Memory Configuration
The tables on below indicate the jumper settings required for different
SRAM cache configurations.
The cache configurations are listed below:
64KB: 64KB cache (with eight 16Kbit X 4 cache SRAM chips and two
16Kbit X 4 tag SRAM chips)
256KB: 256KB cache (with eight 64Kbit X 4 cache SRAM chips and
two 64Kbit X 4 tag SRAM chips)
Refer to the figure on the next page for more information.
The following table lists the jumper settings required for each cache
memory configuration listed above.
Jumpers W9 & W10
Table 2- 11: Cache Memory Configuration
Table 2-12 shows the jumper and switch settings for different onboard
memory (DRAM) configurations. Jumpers W1-6, W7, W8 and switch
SW1 are located on the mainboard.
To select the proper jumper setting for the RAM size that you want,
refer to the figures on the following pages.
Two banks of main memory are on the PEM-3300 mainboard, BANK
0 and BANK 1. Each bank accommodates the 32-bit wide data bus.
BANK 0 must be installed first.
Cache Memory Configuration
64KB
256KB
Chapter 2: Setting Up Your System
31
Advertisement
Table of Contents
