Quantum Q280

Ground
1
3
5
7
9
11
13
15
17
19
21
23
25
27
29
31
33
35
37
39
41
43
45
47
49
CENTER KEY SLOT
DDDDDDDDDDDDDDDCCCCCCCCCC
DOCOCDOCCCCCCDCCCCCCCCCCC
CONNECTOR PCB
POSITION #1 INDICATOR
Figure 2-5:
Jl Connector
Table
2-1: Jl
Pin Assignments
Signal
Name
2
-Data
Bit
0
(-DBO)
4 -Data Bit
1
(-DBl)
6
-Data
Bit 2
(-DB2)
8
-Data Bit
3
(-DB3)
10
-Data Bit
4
(-DB4)
12 -Data Bit 5
(-DB5)
14 -Data Bit 6
(-DB6)
16
-Data Bit
7
(-DB7)
18
-Data Bit
P
(-DBP)
20
Ground
22 Ground
24 Ground
Open
26
Terminator Power
(TERMPWR)
28
Ground
30
Ground
32
-ATN
34
Ground
36
-BSY
38
-ACK
40
-RST
42
-MSG
44
-SEL
46
-C/D
48
-REQ
50
-I/O
2-9