Device Port Connectors And Pin Assignments; Floppy Disk Drive & Secondary Hard Disk Drive Interface - Intel 3100C Service Manual

Device port connectors and Pin assignments

Floppy Disk Drive & Secondary Hard Disk Drive Interface
Uses one 60 pin B/B connector with the following configuration:
PIN
1
3
5
7
9
11
13
15
17
19
21
23
25
27
29
31
33
35
37
39
41
43
45
47
49
51
53
55
57
59
Description
FDDVCCS
MTR0#
3MODE#
TRK0#
HDSEL#
RDATA#
WP_FD#
WGATE#
CDRST#
DDS7
DDS6
DDS5
DDS4
DDS3
DDS2
DDS1
DDS0
GND
SDREQ
SDIOW#
SDIOR#
SIORDY
SDACK#
CDIRQ
SDA1
SDA0
CS1S#
GND
IRTX2
IRRX2
Pin
2
4
6
8
10
12
14
16
18
20
22
24
26
28
30
32
34
36
38
40
42
44
46
48
50
52
54
56
58
60
13
Description
VCCS
DRV0#
INDEX#
DSKCHG#
DIR#
STEP#
WDAT#
NC
GND
DDS8
DDS9
DDS10
DDS11
DDS12
DDS13
DDS14
DDS15
GND
CSEL
GND
SHD LED
PDIAG
SDA2
SCS3S#
GND
CD VCC
CD_VCC
IRR3
VCC3S
VCC3S