EPOX EP-6VBA Manual de usuario descargar pdf (Pagina 50)

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A-2

[2B0-2DF] GRAPHICS adapter controller.

[2F8-2FF] SERIAL port 2.

[360-36F] NETWORK ports.

[378-37F] PARALLEL port 1.

[3B0-3BF] MONOCHROME & PARALLEL port adapter.

[3C0-3CF] EGA adapter.

[3D0-3DF] CGA adapter.

[3F0-3F7] FLOPPY DISK controller.

[3F8-3FF] SERIAL port 1.

A-3 TIMER & DMA CHANNELS

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TIMER MAP:

TIMER Channel 0 System timer interrupt.

TIMER Channel 1 DRAM REFRESH request.

TIMER Channel 2 SPEAKER tone generator.

DMA CHANNELS:

DMA Channel 0 Available.

DMA Channel 1 Onboard ECP (Option)C

DMA Channel 2 FLOPPY DISK (SMC CHIP)C

DMA Channel 3 Onboard ECP (default)C

DMA Channel 4 Cascade for DMA controller 1.

DMA Channel 5 Available.

DMA Channel 6 Available.

DMA Channel 7 Available

A-4

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NMI :

Parity check error.

IRQ (H/W):

0 System TIMER interrupt from TIMER 0.

1 KEYBOARD output buffer full.

2 Cascade for IRQ 8-15.

3 SERIAL port 2.

4 SERIAL port 1.

1 2 ... 45 46 47 48 49 50 51 52 53 54 55 ... 66 67

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EPOX EP-6VBA Manual de usuario Pagina 50