INSTALLATIONS
VTC820 User’s Manual
17
FDD1: Floppy Drive Connector
FDD1 is a 34-pin header and will support up to 2.88MB floppy drives.
Signal Name
Pin #
Pin #
Signal Name
Ground
1
2
RM/LC
Ground
3
4
No connect
Ground
5
6
No connect
Ground
7
8
Index
Ground
9
10
Motor enable 0
Ground
11
12
Drive select 1
Ground
13
14
Drive select 0
Ground
15
16
Motor enable 1
Ground
17
18
Direction
Ground
19
20
Step
Ground
21
22
Write data
Ground
23
24
Write gate
Ground
25
26
Track 00
Ground
27
28
Write protect
Ground
29
30
Read data
Ground
31
32
Side 1 select
FDD1
Ground
33
34
Diskette change
J1: ATX 12V/+12V Power Connector
Pin #
Signal Name
1
Ground
2
Ground
3
+12V
4
+12V
FAN1: CPU Fan Power Connector
FAN1 is a 3-pin header for the CPU fan. The fan must be a 12V fan.
Pin #
Signal Name
1
Ground
2
+12V
3
Rotation detection
Summary of Contents for VTC820
Page 1: ...VTC820 Full Size Socket 478 Pentium 4 Intel 845G CPU Card U S E R S M A N U A L Version 1 0 ...
Page 4: ...iv VTC820 User s Manual This page is intentionally left blank ...
Page 8: ...INTRODUCTION 4 VTC820 User s Manual Board Dimensions ...
Page 14: ...INSTALLATIONS 10 VTC820 User s Manual Jumper Locations on VTC820 ...
Page 34: ...INSTALLATIONS 30 VTC820 User s Manual This page was intentionally left blank ...
