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INSTALLATIONS
MB894 User’s Manual
15
IDE1, IDE2: Primary and Secondary IDE Connectors
Signal Name
Pin #
Pin #
Signal Name
Reset IDE
1
2
Ground
Host data 7
3
4
Host data 8
Host data 6
5
6
Host data 9
Host data 5
7
8
Host data 10
Host data 4
9
10
Host data 11
Host data 3
11
12
Host data 12
Host data 2
13
14
Host data 13
Host data 1
15
16
Host data 14
Host data 0
17
18
Host data 15
Ground
19
20
Protect pin
DRQ0
21
22
Ground
Host IOW
23
24
Ground
Host IOR
25
26
Ground
IOCHRDY
27
28
Host ALE
DACK0
29
30
Ground
IRQ14
31
32
No connect
Address 1
33
34
No connect
Address 0
35
36
Address 2
Chip select 0
37
38
Chip select 1
Activity
39
40
Ground
FDD1: Floppy Drive Connector
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
Summary of Contents for MB894
Page 1: ...MB894 Socket 479 Pentium M Intel 855GME Micro ATX Motherboard USER S MANUAL Version 1 0...
Page 4: ...iv MB894 User s Manual This page is intentionally left blank...
Page 8: ...INTRODUCTION 4 MB894 User s Manual Board Dimensions...
Page 23: ...INSTALLATIONS MB894 User s Manual 19...
Page 30: ...INSTALLATIONS 26 MB894 User s Manual call Write_Reg watchdog enabled...
Page 56: ...BIOS SETUP 52 MB894 User s Manual This page is intentionally left blank...