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Bitfields for OPTi 82C750 Vendetta (device 1) pin functionality 2

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Bit Description

15

pin AF18 functionality:
0 = IRQ15
1 = reserved

14 - 13

pin AE19 functionality:
00 - 01 = IRQ12
10 - 11 = reserved

12

pin AD20 functionality:
0 = IRQ10
1 = MIRQ10/12

11

pin AE21 functionality:
0 = IRQ6reserved
1 =

10

pin AD22 functionality:
0 = IRQ4
1 = MIRQ4/6

9 - 8

pin AD16 functionality:
00 = DREQ7
01 = EPMI3#
10 = reserved
11 = reserved

7 - 6

pin AD17 functionality
00 = DREQ3
01 = DREQ3/7
10 = DREQ7
11 = reserved

5 - 4

pin AD18 functionality
00 = DREQ1
01 = DREQ1/6
10 = DREQ6
11 = reserved

3 - 2

pin AE18 functionality
00 = DREQ0
01 = DREQ0/5
10 = DREQ5
11 = reserved

1 - 0

pin T23 functionality:
0x = PREQ1#
1x = reserved

See Also:

#00939