Datatech Enterprises Apex 386/25 User Manual page 14

Chapter 6
Appendix . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1
Table 6-1: Jumper W1 and Switch SW1 Settings
Table 6-2: Jumper W2 . . . . . . . . . . . . . . . . . . . . . . . . .
Table 6-3: Jumper W3 . . . . . . . . . . . . . . . . . . . . . . . . .
Table 6-4: Jumper W4
Table 6-5: Jumpers W1 W3 Settings (PEI-306) . . . . . . . . . . . . 13
Table 6-6: DRAM Chip Speed
Table 6-7: Total System Memory Configurations - A . . . . . . . . . . 15
Table 6-8: Total System Memory Configurations-B . . . . . . . . . . . 16
Table 6-9: Channel 0-System Timer . . . . . . . . . . . . . . . . . 21
Table 6-10: Channel 1-Refresh Request Generator
Table 6-11: Channel 2-Tone Generation for the Speaker . . . . . . 21
Table 6-12: Interrupt Controllers . . . . . . . . . . . . . . . . . . . . 22
Table 6-13: DMA Channels . . . . . . . . . . . . . . . . . . . . . .
Table 6-14: Addresses for the Page Register
Table 6-15: Address Generation for DMA Channels 3 Through 0 . . . .25
Table 6-16: Address Generation for DMA Channels 7 Through 5 . . . . . . 2 5
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