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# ADVANCED LOGIC RESEARCH, INC.
PowerFlex Series
Processor 80286/80386SX/80486SX/80487SX/80486DX/ODP486SX
Processor Speed 12/16/20/25/33MHz
Chip Set ALR
Max. Onboard 5MB
DRAM
Cache None (32KB on 386CSX-20 CPU module)
BIOS Phoenix
Dimensions 330mm x 218mm
I/O Options 16/32-bit external CPU/NPU/Cache module slot,
floppy interface, IDE interface, parallel
port, serial port
NPU Options 80287/80387SX
IMG IMG 1
+------------------------------------------------------------+
| CONNECTIONS |
|------------------------------------------------------------|
| Purpose | Location | Purpose | Location |
|----------------------+----------+---------------+----------|
| 16/32-bit external | CN1 | Floppy drive | JP8 |
| CPU/NPU/Cache module | | interface | |
|----------------------+----------+---------------+----------|
| Serial port (COM1) | CN2 | IDE interface | JP9 |
| | | LED | |
|----------------------+----------+---------------+----------|
| Parallel port | CN3 | Speaker | JP13 |
|----------------------+----------+---------------+----------|
| IDE interface | JP7 | Power LED & | JP14 |
| | | keylock | |
+------------------------------------------------------------+
+------------------------------------------------------------+
| DRAM CONFIGURATION |
|------------------------------------------------------------|
| Size | Bank 0 | Bank 1 | Bank 2 | Bank 3 |
|-------+------------+------------+-------------+------------|
| 1MB | (4) 411000 | (4) 411000 | NONE | NONE |
|-------+------------+------------+-------------+------------|
| 1.5MB | (4) 411000 | (4) 411000 | (2) 256K x | NONE |
| | | | 9 | |
|-------+------------+------------+-------------+------------|
| 2MB | (4) 411000 | (4) 411000 | (2) 256K x | (2) 256K x |
| | | | 9 | 9 |
|-------+------------+------------+-------------+------------|
| 3MB | (4) 411000 | (4) 411000 | (2) 1M x 9 | NONE |
|-------+------------+------------+-------------+------------|
| 5MB | (4) 411000 | (4) 411000 | (2) 1M x 9 | (2) 1M x 9 |
+------------------------------------------------------------+