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# REPLY CORPORATION
POWERBOARD 50/50Z
Processor 80486SX2/80486DX2/80486DX4
Processor 25/33/50(internal)/66(internal)/100(internal)MHz
Speed
Chip Set C & T
Max. Onboard 64MB
DRAM
Cache None
BIOS Reply
Dimensions 254mm x 220mm
I/O Options Floppy drive interface, IDE interfaces (2),
parallel port, PS/2 mouse port, serial port, VGA
port
NPU Options None
(IMG) IMG 1
+------------------------------------------------------------+
| CONNECTIONS |
|------------------------------------------------------------|
| Purpose | Location | Purpose | Location |
|-------------------+----------+------------------+----------|
| IDE interface | CN1 | Power supply | CN8 |
| | | connector | |
|-------------------+----------+------------------+----------|
| Floppy drive | CN2 | Speaker | J3 |
| interface | | | |
|-------------------+----------+------------------+----------|
| Hard drive power | CN3 | VGA port | J4 |
|-------------------+----------+------------------+----------|
| Hard drive power | CN4 | Serial port | J6 |
|-------------------+----------+------------------+----------|
| IDE interface | CN5 | Parallel port | J8 |
|-------------------+----------+------------------+----------|
| Chassis fan power | CN7 | PS/2 mouse port | J15 |
+------------------------------------------------------------+
+------------------------------------------------------------+
| USER CONFIGURABLE SETTINGS |
|------------------------------------------------------------|
| Function | Jumper | Position |
|------------------------------------+----------+------------|
| ยป | CMOS memory normal operation | J1 | N/A |
|----+-------------------------------+----------+------------|
| | CMOS memory clear | J1 | N/A |
|------------------------------------------------------------|
| Note: The CMOS configuration is cleared by switching |
| the jumper from one position to the other. If jumper |
| is on pins 2 & 3, to clear CMOS, switch to pins 1 & 2 |
| closed. If jumper is on pins 1 & 2, to clear CMOS, |
| switch to pins 2 & 3 closed. |
+------------------------------------------------------------+
+------------------------------------------------------------+
| DRAM CONFIGURATION |
|------------------------------------------------------------|
| Size | Bank 0 | Bank 1 |
|------------------+--------------------+--------------------|
| 8MB | (2) 1M x 36 | NONE |
|------------------+--------------------+--------------------|
| 16MB | (2) 1M x 36 | (2) 1M x 36 |
|------------------+--------------------+--------------------|
| 16MB | (2) 2M x 36 | NONE |
|------------------+--------------------+--------------------|
| 24MB | (2) 1M x 36 | (2) 2M x 36 |
|------------------+--------------------+--------------------|
| 24MB | (2) 2M x 36 | (2) 1M x 36 |
|------------------+--------------------+--------------------|
| 32MB | (2) 2M x 36 | (2) 2M x 36 |
|------------------+--------------------+--------------------|
| 32MB | (2) 4M x 36 | NONE |
|------------------+--------------------+--------------------|
| 40MB | (2) 1M x 36 | (2) 4M x 36 |
|------------------+--------------------+--------------------|
| 40MB | (2) 4M x 36 | (2) 1M x 36 |
|------------------+--------------------+--------------------|
| 48MB | (2) 2M x 36 | (2) 4M x 36 |
|------------------+--------------------+--------------------|
| 48MB | (2) 4M x 36 | (2) 2M x 36 |
|------------------+--------------------+--------------------|
| 64MB | (2) 4M x 36 | (2) 4M x 36 |
|------------------+--------------------+--------------------|
| 64MB | (2) 8M x 36 | NONE |
+------------------------------------------------------------+
+------------------------------------------------------------+
| CPU SPEED CONFIGURATION |
|------------------------------------------------------------|
| Speed | JP1 |
|-------------------------------+----------------------------|
| 25MHz | Closed |
|-------------------------------+----------------------------|
| 33MHz | Open |
|-------------------------------+----------------------------|
| 50iMHz | Closed |
|-------------------------------+----------------------------|
| 66iMHz | Open |
|-------------------------------+----------------------------|
| 100iMHz | Open |
+------------------------------------------------------------+
+------------------------------------------------------------+
| VIDEO MEMORY CONFIGURATION |
|------------------------------------------------------------|
| Size | Bank 0 | Bank 1 |
|------------------+--------------------+--------------------|
| 1MB | (2) 411000 | NONE |
|------------------+--------------------+--------------------|
| 2MB | (2) 411000 | (2) 411000 |
|------------------------------------------------------------|
| Note: Bank 0 is factory installed and the location is |
| unidentfied. |
+------------------------------------------------------------+