
EPC-2102 Single-Board Computer
8
Service Manual
Step 1: Check Jumper Settings
Overview
Before you install the EPC-2102 onto a passive backplane in a chassis, check the jumper
settings on the SBC (
).
Definition
A j
umper
is a small "bridge" that connects two pins on a jumper block. The position of a
jumper affects the device's operational parameters.
Jumper Blocks
The EPC-2102 contains:
•
Four two-pin jumper blocks (JP6, JP8, JP9, and JP10)
•
Five three-pin jumper blocks (JP2, JP3, JP4, JP5, and JP7)
Settings
Table 1. Jumper Block Settings
2-Pin Jumper Blocks
JP9
JP10
Host Bus Speed
None
1—2
66.6 MHz (default)
1—2
None
60.0 MHz
1—2
1—2
50.0 MHz
JP6
JP8
Bus/Core
Ratio
†
CPU Speed
None
None
2/3
100 MHz
None
1—2
1/2
133 MHz
1—2
1—2
2/5
166 MHz
1—2
None
1/3
200 MHz
None
None
2/7
233 MHz
The Bus Core Ratio is based on the Host Bus Speed at 66.6MHz.
3-Pin Jumper Blocks
JP2, JP3, JP5
Serial 2 Configuration
2—3
RS-232 (default)
1—2
RS-422
JP4
Watchdog Timer
2—3
Inactive (default)
1—2
Active
JP7
Next Step OS Configuration
2—3
Normal Operation (default)
1—2
Use this setting when running
Next Step OS and experiencing
problems with PS/2 mouse
StockCheck.com
Содержание EPC-2102 P5000HX2 Series
Страница 10: ...EPC 2102 Single Board Computer x Service Manual Notes S t o c k C h e c k c o m ...
Страница 14: ...EPC 2102 Single Board Computer 4 Service Manual Notes S t o c k C h e c k c o m ...
Страница 34: ...EPC 2102 Single Board Computer 24 Service Manual Notes S t o c k C h e c k c o m ...
Страница 44: ...EPC 2102 Single Board Computer 34 Service Manual Notes S t o c k C h e c k c o m ...