Utility 2 Interface; Floppy Drive Interface; Ide Interface; Utility 2 Pin Signals - ADLINK Technology CoreModule 740 Reference Manual

Chapter 3

Utility 2 Interface

This section describes the Utility 2, J4 interface, which supports the features in the following bullets.
Table 3-5 provides a complete list of the Utility 2 connector pin signals.
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Floppy Drive Interface

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IDE Interface

Floppy Drive Interface
The Super I/O chip (SCH3112I-NU) provides the floppy controller and supports one floppy drive.
IDE Interface
The ICH8-M I/O Hub (82801HBM) provides the IDE controller and supports two IDE drives.

Utility 2 Pin Signals

Table 3-5 lists the signals and their descriptions for the Utility 2 interface which provides a right-angle,
80-pin connector with 0.025" (0.635mm) pin pitch.

Table 3-5. Utility 2 Interface Pin Signals (J4)

Pin # Signal
1 GND8
2 HD_RST*
3 FDD_DEN
4 GND3
5 GND9
6 IDE_PDD7
7 NC
8 IDE_PDD8
9 GND10
10 IDE_PDD6
11 FPY_KEY
12 IDE_PDD9
13 GND11
14 IDE_PDD5
15 FDD_INDX*
16 IDE_PDD10
17 GND12
18 IDE_PDD4
19 FDD_MTR0
20 IDE_PDD11
21 GND13
22 IDE_PDD3
23 NC
24 IDE_PDD12
25 GND14
CoreModule 740
Description
Floppy Ground
Reset – Low active hardware reset
Floppy Density Select
IDE Ground
Floppy Ground
Primary Disk Data 7
Not Connected
Primary Disk Data 8
Floppy Ground
Primary Disk Data 6
Not Connected
Primary Disk Data 9
Floppy Ground
Primary Disk Data 5
Floppy Index – Detects the drive head is positioned over the track 0
Primary Disk Data 10
Floppy Ground
Primary Disk Data 4
Floppy Motor Control 0 – Selects drive motor 0
Primary Disk Data 11
Floppy Ground
Primary Disk Data 3
Not Connected
Primary Disk Data 12
Floppy Ground
Reference Manual
Hardware
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