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# PACKARD BELL
PB800/PACK-MATE
Processor 80286
Processor Speed 12/16MHz
Chip Set C & T
Max. Onboard DRAM 1MB
Cache None
BIOS Phoenix
Dimensions 330mm x 218mm
I/O Options External memory card slot
NPU Options 80287
(IMG) IMG 1
+------------------------------------------------------------+
| CONNECTIONS |
|------------------------------------------------------------|
| Purpose | Location | Purpose | Location |
|---------------+----------+----------------------+----------|
| Reset switch | J1 | Speaker | J3 |
|---------------+----------+----------------------+----------|
| Keylock | J2 | External memory card | S1 |
+------------------------------------------------------------+
+------------------------------------------------------------+
| USER CONFIGURABLE SETTINGS |
|------------------------------------------------------------|
| Function | Jumper | Position |
|--------------------------------------+--------+------------|
| ยป | NPU mode select synchronous with | J19 | pins 1 & 2 |
| | CPU | | closed |
|---+----------------------------------+--------+------------|
| | NPU mode select asynchronous | J19 | pins 2 & 3 |
| | with CPU | | closed |
+------------------------------------------------------------+
+------------------------------------------------------------+
| DRAM CONFIGURATION |
|------------------------------------------------------------|
| Size | Bank 0 | Bank 1 | Bank 2 | Bank 3 |
|--------+-------------+-------------+------------+----------|
| 512KB | (18) 41256 | NONE | NONE | NONE |
|--------+-------------+-------------+------------+----------|
| 1MB | (18) 41256 | (18) 41256 | NONE | NONE |
|--------+-------------+-------------+------------+----------|
| 2MB | (18) 41256 | (18) 41256 | (2) 256K x | (2) 256K |
| | | | 9 | x 9 |
|--------+-------------+-------------+------------+----------|
| 3MB | (18) 41256 | (18) 41256 | (2) 1M x 9 | NONE |
|--------+-------------+-------------+------------+----------|
| 5MB | (18) 41256 | (18) 41256 | (2) 1M x 9 | (2) 1M x |
| | | | | 9 |
|--------+-------------+-------------+------------+----------|
| 6MB | (18) 411000 | (18) 411000 | (2) 1M x 9 | NONE |
|--------+-------------+-------------+------------+----------|
| 8MB | (18) 411000 | (18) 411000 | (2) 1M x 9 | (2) 1M x |
| | | | | 9 |
|------------------------------------------------------------|
| Note:Banks 2 & 3 are used when a proprietary external |
| memory card is installed at S1. |
| |
| 6MB and 8MB can be configured using Banks 0 through 3 on |
| the external memory card only. |
+------------------------------------------------------------+