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# ALPHA MICROSYSTEMS
AM-338, AM-339 RJE BOARD SET
Processor Z-80
Processor Speed 4MHz
Chip Set Unidentified
Video Chip Set None
Maximum Onboard None
Memory
Maximum Video None
Memory
Cache None
BIOS Unidentified
Dimensions Unidentified
I/O Options Debug/trace port, synchronous communication
port
NPU Options None
IMG IMG 1
+------------------------------------------------------------+
| CONNECTIONS |
|------------------------------------------------------------|
| Purpose | Location | Purpose | Location |
|-----------------------+----------+--------------+----------|
| Debug/trace port | CN1 | AM-338 board | J1 |
| | | connector | |
|-----------------------+----------+--------------+----------|
| Synchronous | CN2 | | |
| communication port | | | |
+------------------------------------------------------------+
+------------------------------------------------------------+
| DTE/DCE CONFIGURATION |
|------------------------------------------------------------|
| Setting | W1 |
|-----------------+------------------------------------------|
| DTE | 1 & 2, 5 & 6, 9 & 10 13 & 14, 18 & 19, |
| | 21 & 22, 23 & 24, 25 & 26 |
|-----------------+------------------------------------------|
| DCE | 3 & 4, 7 & 8, 11 & 12, 15 & 16, 19 & 20, |
| | 21 & 22, 23 & 24, 25 & 26 |
|-----------------+------------------------------------------|
| DCE (test mode) | 3 & 4, 7 & 8, 11 & 12, 15 & 16, 19 & 20, |
| | 21 & 22, 23 & 25, 27 & 28 |
|------------------------------------------------------------|
| Note: Pins designated should be in the closed position. |
+------------------------------------------------------------+
IMG IMG 2
+------------------------------------------------------------+
| CONNECTIONS |
|------------------------------------------------------------|
| Purpose | Location |
|-------------------------------+----------------------------|
| AM-339 board connector | J1 |
+------------------------------------------------------------+
+------------------------------------------------------------+
| USER CONFIGURABLE SETTINGS |
|------------------------------------------------------------|
| Function | Label | Position |
|---------------------------------------+-------+------------|
| » | Factory configured - do not alter | W1 | Pins 5 & 6 |
| | | | closed |
|---+-----------------------------------+-------+------------|
| » | Factory configured - do not alter | W2 | Closed |
+------------------------------------------------------------+
+------------------------------------------------------------+
| MISCELLANEOUS TECHNICAL NOTE |
|------------------------------------------------------------|
| These boards provide a bisync interface for the Alpha |
| Micro AM-1600 (Desktop and Deskside) allowing an interface |
| between IBM mainframes when used with AlphaRJE software. |
+------------------------------------------------------------+