Manuals

I/O: Dell Dimension P75t, P90t, P100t, P133t Midsize

Connectors | Speaker | I/O Map

Connectors

Keyboard Connector
Parallel Port Connector
Mouse Connector

Speaker

The speaker is a piezo-electric speaker mounted on the system board.

I/O Map

Address          Device

0000 - 000F      DMA controller #1
0020 - 0023      Interrupt controller #1
0024             SHASTA data register
0025 - 0027      Interrupt controller #1
0028             SHASTA index register
0029 - 003F      Interrupt controller #1
0040 - 0043      System timers
0044 - 005F      Reserved
0060 - 006F      Keyboard controller
0070 - 0071      Real-time clock and NMI enable
0080 - 008F      DMA page registers
00A0 - 00BF      Interrupt controller #2
00C0 - 00DF      DMA controller #2
00F0             Coprocessor busy clear
00F1             Coprocessor busy reset
00F2 - 00FF      Available
278 - 27F        LPT2
2E8 - 2EF        COM4
2F8 - 2FF        COM2
378 - 37F        LPT1
3E8 - 3EF        COM3
3F8 - 3FF        COM1