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# ZENITH DATA SYSTEMS
Z STATION IIE ("H" and "N" Chassis)
Processor 80486DX/ODP486SX
Processor Speed 25/33/50(internal)/66(internal)MHz
Chip Set OPTI
Max. Onboard 128MB
DRAM
Cache 128KB (optional)
BIOS AMI/Zenith
Dimensions 355mm x 304mm
I/O Options 16-bit riser card slot, bus mouse port, floppy
drive interface, LAN module, parallel port,
SCSI module, serial port (2), VGA feature
connector
NPU Options 4167
IMG IMG 1
+------------------------------------------------------------+
| CONNECTIONS |
|------------------------------------------------------------|
| Purpose | Location | Purpose | Location |
|---------------+----------+----------------------+----------|
| Parallel port | C1 | SCSI module | C7 |
|---------------+----------+----------------------+----------|
| Serial port 1 | C2 | IDE interface | C8 |
|---------------+----------+----------------------+----------|
| Serial port 2 | C3 | External CPU/Cache | C9 |
| | | module | |
|---------------+----------+----------------------+----------|
| Bus mouse | C4 | VGA feature | JFEAT |
| | | connector | |
|---------------+----------+----------------------+----------|
| VGA module | C5 | 16-bit riser card | S1 |
|---------------+----------+----------------------+----------|
| LAN module | C6 | | |
+------------------------------------------------------------+
+------------------------------------------------------------+
| USER CONFIGURABLE SETTINGS |
|------------------------------------------------------------|
| Function | Jumper | Position |
|----------------------------------+-----------+-------------|
| CPU speed select < = 33MHz | JP25 | open |
|----------------------------------+-----------+-------------|
| CPU speed select > 33MHz | JP25 | closed |
+------------------------------------------------------------+
+------------------------------------------------------------+
| DRAM CONFIGURATION |
|------------------------------------------------------------|
|Size |Bank 0 |Bank 1|Bank 2|Bank 3|Bank 4|Bank 5|Bank 6|Bank|
| | | | | | | | | 7 |
|-----+-------+------+------+------+------+------+------+----|
| 4MB |256K x | 256K | 256K | 256K | NONE | NONE | NONE |NONE|
| | 36 | | | | | | | |
| | | x 36 | x 36 | x 36 | | | | |
|-----+-------+------+------+------+------+------+------+----|
| 5MB |1M x 36| NONE | 256K | NONE | NONE | NONE | NONE |NONE|
| | | | | | | | | |
| | | | x 36 | | | | | |
|-----+-------+------+------+------+------+------+------+----|
| 8MB |1M x 36| 1M x | NONE | NONE | NONE | NONE | NONE |NONE|
| | | 36 | | | | | | |
|-----+-------+------+------+------+------+------+------+----|
|12MB |1M x 36| 1M x | 1M x | NONE | NONE | NONE | NONE |NONE|
| | | 36 | 36 | | | | | |
|-----+-------+------+------+------+------+------+------+----|
|16MB |1M x 36| 1M x | 1M x | 1M x | NONE | NONE | NONE |NONE|
| | | 36 | 36 | 36 | | | | |
|-----+-------+------+------+------+------+------+------+----|
|16MB |4M x 36| NONE | NONE | NONE | NONE | NONE | NONE |NONE|
|-----+-------+------+------+------+------+------+------+----|
|24MB |4M x 36| NONE | 1M x | 1M x | NONE | NONE | NONE |NONE|
| | | | 36 | 36 | | | | |
|-----+-------+------+------+------+------+------+------+----|
|24MB |4M x 36| NONE | 1M x | NONE | 256K | 256K | 256K |256K|
| | | | 36 | | | | | |
| | | | | | x 36 | x 36 | x 36 |x 36|
|-----+-------+------+------+------+------+------+------+----|
|32MB |4M x 36| 4M x | NONE | NONE | NONE | NONE | NONE |NONE|
| | | 36 | | | | | | |
|-----+-------+------+------+------+------+------+------+----|
|34MB |4M x 36| 4M x | 256K | 256K | NONE | NONE | NONE |NONE|
| | | 36 | | | | | | |
| | | | x 36 | x 36 | | | | |
|-----+-------+------+------+------+------+------+------+----|
|37MB |4M x 36| 4M x | 1M x | 256K | NONE | NONE | NONE |NONE|
| | | 36 | 36 | | | | | |
| | | | | x 36 | | | | |
|-----+-------+------+------+------+------+------+------+----|
|48MB |4M x 36| 4M x | 4M x | NONE | NONE | NONE | NONE |NONE|
| | | 36 | 36 | | | | | |
|-----+-------+------+------+------+------+------+------+----|
|52MB |4M x 36| 4M x | 4M x | 1M x | NONE | NONE | NONE |NONE|
| | | 36 | 36 | 36 | | | | |
|-----+-------+------+------+------+------+------+------+----|
|64MB |4M x 36| 4M x | 4M x | 4M x | NONE | NONE | NONE |NONE|
| | | 36 | 36 | 36 | | | | |
|-----+-------+------+------+------+------+------+------+----|
|68MB |4M x 36| 4M x | 4M x | 4M x | 1M x | NONE | NONE |NONE|
| | | 36 | 36 | 36 | 36 | | | |
|-----+-------+------+------+------+------+------+------+----|
|72MB |4M x 36| 4M x | 4M x | 4M x | 4M x | 1M x | NONE |NONE|
| | | 36 | 36 | 36 | 36 | 36 | | |
|-----+-------+------+------+------+------+------+------+----|
|74MB |4M x 36| 4M x | 4M x | 4M x | 4M x | 1M x | 256K |256K|
| | | 36 | 36 | 36 | 36 | 36 | | |
| | | | | | | | x 36 |x 36|
|-----+-------+------+------+------+------+------+------+----|
|84MB |4M x 36| 4M x | 4M x | 4M x | 4M x | NONE | 1M x |NONE|
| | | 36 | 36 | 36 | 36 | | 36 | |
|-----+-------+------+------+------+------+------+------+----|
|88MB |4M x 36| 4M x | 4M x | 4M x | 4M x | NONE | 1M x |1M x|
| | | 36 | 36 | 36 | 36 | | 36 | 36 |
|-----+-------+------+------+------+------+------+------+----|
|96MB |4M x 36| 4M x | 4M x | 4M x | 4M x | 4M x | NONE |NONE|
| | | 36 | 36 | 36 | 36 | 36 | | |
|-----+-------+------+------+------+------+------+------+----|
|104MB|4M x 36| 4M x | 4M x | 4M x | 4M x | 4M x | 1M x |1M x|
| | | 36 | 36 | 36 | 36 | 36 | 36 | 36 |
|-----+-------+------+------+------+------+------+------+----|
|112MB|4M x 36| 4M x | 4M x | 4M x | 4M x | 4M x | 4M x |NONE|
| | | 36 | 36 | 36 | 36 | 36 | 36 | |
|-----+-------+------+------+------+------+------+------+----|
|128MB|4M x 36| 4M x | 4M x | 4M x | 4M x | 4M x | 4M x |4M x|
| | | 36 | 36 | 36 | 36 | 36 | 36 | 36 |
+------------------------------------------------------------+