SNAP-LCM4 User’s Guide
11
11
Chapter 3
3: Jumpers and Communication
SETTING JUMPERS
The following table summarizes faceplate jumper settings. Shaded entries show default settings.
Jumper(s)
Description
Position
Setting
E/R
EEPROM/RAM
In
Run from RAM
Out
Run from
EEPROM
Auto
Autoboot
In
Autoboot enabled
Out
Autoboot dis-
abled
X0
Communication
In
Binary
Out
ASCII
X1
Boot Loader
In
Boot to kernel
Out
Boot to loader
H0, H1
Host Port
H0
H1
—
In
In
COM0
Out
In
COM1
In
Out
ARCNET
Out
Out
Ethernet
Baud 0–3
Baud Rate
B0
B1
B2
B3
—
Out
In
In
In
115.2 KBd
In
Out
In
In
76.8 KBd
Out Out
In
In
57.6 KBd
In
In
Out
In
38.4 KBd
Out
In
Out
In
19.2 KBd
In
Out Out
In
9600 Bd
Out Out Out
In
4800 Bd
In
In
In
Out
2400 Bd
Out
In
In
Out
1200 Bd
In
Out
In
Out
600 Bd
Out Out
In
Out
300 Bd
Address 0–
7
Address Bits
Bit 0 In
1
Bit 1 In
2
Bit 2 In
4
Bit 3 In
8
Bit 4 In
16
Bit 5 In
32
Bit 6 In
64
Bit 7 In
128
Pin 1
Pin 1
Pin 1
Pin 1
