INSTALLATIONS
IDE1: Primary IDE Connector
IDE1
Signal Name | Pin # |
Reset IDE | 1 |
Host data 7 | 3 |
Host data 6 | 5 |
Host data 5 | 7 |
Host data 4 | 9 |
Host data 3 | 11 |
Host data 2 | 13 |
Host data 1 | 15 |
Host data 0 | 17 |
Ground | 19 |
DRQ0 | 21 |
Host IOW | 23 |
Host IOR | 25 |
IOCHRDY | 27 |
DACK0 | 29 |
IRQ14 | 31 |
Address 1 | 33 |
Address 0 | 35 |
Chip select 0 | 37 |
Activity | 39 |
Pin # Signal Name
2Ground
4Host data 8
6Host data 9
8Host data 10
10 Host data 11
12 Host data 12
14 Host data 13
16 Host data 14
18 Host data 15
20 Protect pin
22 | Ground |
24 | Ground |
26 | Ground |
28 | Host ALE |
30Ground
32No connect
34No connect
36Address 2
38Chip select 1
40Ground
FDC1: Floppy Drive Connector |
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| Signal Name | Pin # | Pin # | Signal Name |
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| Ground | 1 | 2 | RM/LC |
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| Ground | 3 | 4 | No connect |
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| Ground | 5 | 6 | No connect |
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| Ground | 7 | 8 | Index |
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| Ground | 9 | 10 | Motor enable 0 |
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| Ground | 11 | 12 | Drive select 1 |
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| Ground | 13 | 14 | Drive select 0 |
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| Ground | 15 | 16 | Motor enable 1 |
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| Ground | 17 | 18 | Direction |
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| Ground | 19 | 20 | Step |
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| Ground | 21 | 22 | Write data |
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| Ground | 23 | 24 | Write gate |
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| Ground | 25 | 26 | Track 00 |
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| Ground | 27 | 28 | Write protect |
FDD1 | |||||||
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| Ground | 29 | 30 | Read data |
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| Ground | 31 | 32 | Side 1 select |
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| Ground | 33 | 34 | Diskette change |
IB935 User’s Manual | 15 |
