Quick Reference Of Jumper Settings For Pem-3301 Mainboard - DTK Apex 386/33 User Manual

Quick Reference of Jumper Settings for PEM-3301 Mainboard

J1 — Keyboard Lock-/Power LED
J2 — Turbo LED
J3 — Reset connector
J4 — Speaker Connector
J5 — Power Supply Connector
J7 — Keyboard Connector
W1 — Coprocessor installation
W2 — Bank 0 DRAM Type Selection
W3 — Bank 1 DRAM Type Selection
W4- W5 — Cache Size Selection
W6 — Turbo Connector
W7 — EPROM Type Selection
W8 — DMA Clock Speed Selection
10 Chapter 2: Setting Up Your System
short — not installed
open — installed
1-2 short — (1Mbit x 9 SIMM DRAM)
2-3 short — (256Kbit x 9 SIMM DRAM)
1-2 short — (1Mbit x 9 SIMM DRAM)
2-3 short — (256Kbit x 9 SIMM DRAM)
short — 64KB cache memory
1-2
short — 256KB cache memory
2-3
1-2 short — normal (hardware)
open — Turbo (hardware)
2-3 short — speed toggled (software)
short — 27256
1-2
short — 27512
2-3
short — 8MHz DMA
open — 6MHz DMA