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Installation
2.12 JBAT1: CMOS Setup
Pin
Voltage
1-2
Keep CMOS (Default)
2-3
Clear CMOS
2.13 FDD1: FDD Connector
FDD1 is a 26-pin connector.
Pin
Description
1
GND
3
GND
5
GND
7
#Write data
9
#Write gate
11
#Track 0
13
#Write protect 14
15
#Read data
17
#Head select
19
#Disk change 20
2.14 IR1: Infrared Connector
Onboard 2.54mm 5-pin header
Pin
Voltage
1
+5v
2
N/C
3
IRRX
4
GND
5
IRTX
20
Pin
Description
2
Drive density select 0
4
N/C (Key)
6
Drive density select 1
8
#Index
10
#Motor enable A
12
#Driver select B
#Driver select A
16
#Motor enable B
18
#Direction
#Step
1
1
19
1
3
2
20
5
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