INSTALLATIONS
14
MB870 User’s Manual
FDD1: Floppy Drive Connector
FDD1is a slim 26-pin connector and will support up to 2.88MB FDD.
Signal Name
Pin # Pin #
Signal Name
VCC 1
2 INDEX
VCC 3
4 DRV_SEL
VCC 5
6 DSK_CH
NC 7
8 NC
NC 9
10
MOTOR
DINST 11
12
DIR
NC 13
14 STEP
GND 15
16 WDATA
GND 17
18 WGATE
GND 19
20 TRACK
NC 21
22 WPROT
GND 23
24 RDATA
GND 25
26 SIDE
IDE1, IDE2: EIDE Connectors
IDE1: Primary IDE Connector
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
Содержание MB870
Страница 1: ...MB870 Socket 478 Pentium 4 ATI RS300M Mini ITX USER S MANUAL Version 1 0...
Страница 4: ...iv MB870 User s Manual This page is intentionally left blank...
Страница 8: ...INTRODUCTION 4 MB870 User s Manual Board Dimensions...
Страница 34: ...INSTALLATIONS 30 MB870 User s Manual This page is intentionally left blank...
Страница 60: ...APPENDIX 56 MB870 User s Manual 3 Click Finish to restart the computer and for changes to take effect...
Страница 62: ...APPENDIX 58 MB870 User s Manual 3 Click Finish to complete the setup and for changes to take effect...