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Bitfields for OPTi 82C750 Vendetta (device 1) USB interrupt control register

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Bit Description

7

reserved

6 - 5

buffered DMA control
00 = original DMA with old protocol
01 = reserved
10 = original DMA with PCI master capability
11 = buffered DMA enable

4

reserved

3 - 0

IRQ generation when USBIRQ triggered
0000 = disabled
0001 = reserved
0010 = reserved
0011 = IRQ3
0100 = IRQ4
0101 = IRQ5
0110 = IRQ6
0111 = IRQ7
1000 = reserved
1001 = IRQ9
1010 = IRQ10
1011 = IRQ11
1100 = IRQ12
1101 = reserved
1110 = IRQ14
1111 = IRQ15

See Also:

#00939