NORTHGATE COMPUTER SYSTEMS, INC.
SLIMLINE ZXP
|
Processor |
80486SX/80487SX/80486DX/ODP486SX/80486DX2 |
|
Processor Speed |
16/20/25/33/50 (Internal)/66 (Internal)MHz |
|
Chip Set |
OPTI |
|
Max. onboard DRAM |
128MB |
|
Cache |
None |
|
BIOS |
AMI |
|
Dimensions |
330mm x 218mm |
|
I/O Options |
Floppy drive interface, IDE interface, parallel port, riser card, serial ports (2), VGA port |
|
NPU Options |
None |
|
CONNECTIONS | |||
|
Purpose |
Location |
Purpose |
Location |
|
Parallel port |
CN1 |
Turbo LED |
P1 |
|
Serial port (COM1) |
CN2 |
Power LED & keylock |
P2 |
|
Serial port (COM2) |
CN3 |
Speaker |
P3 |
|
VGA port |
CN4 |
IDE interface LED |
P4 |
|
IDE interface |
CN5 |
Reset switch |
P5 |
|
Floppy drive interface |
CN6 |
Riser Card |
S1 |
|
USER CONFIGURABLE SETTINGS | |||
|
Function |
Jumper/Switch |
Position | |
|
Onboard video disabled |
J5 |
Closed | |
|
Onboard video enabled |
J5 |
Open | |
|
Monitor type select color |
J11 |
Closed | |
|
Monitor type select monochrome |
J11 |
Open | |
|
Parallel port select uni-directional (printer) |
J12 |
Closed | |
|
Parallel port select bi-directional |
J12 |
Open | |
|
DRAM CONFIGURATION | ||
|
Size |
Bank 0 |
Bank 1 |
|
1MB |
(4) 256K x 9 |
NONE |
|
2MB |
(4) 256K x 9 |
(4) 256K x 9 |
|
4MB |
(4) 1M x 9 |
NONE |
|
5MB |
(4) 1M x 9 |
(4) 256K x 9 |
|
8MB |
(4) 1M x 9 |
(4) 1M x 9 |
|
16MB |
(4) 4M x 9 |
NONE |
|
17MB |
(4) 4M x 9 |
(4) 256K x 9 |
|
20MB |
(4) 4M x 9 |
(4) 1M x 9 |
|
32MB |
(4) 4M x 9 |
(4) 4M x 9 |
|
64MB |
(4) 16M x 9 |
NONE |
|
65MB |
(4) 16M x 9 |
(4) 256K x 9 |
|
68MB |
(4) 16M x 9 |
(4) 1M x 9 |
|
80MB |
(4) 16M x 9 |
(4) 4M x 9 |
|
128MB |
(4) 16M x 9 |
(4) 16M x 9 |
|
VRAM CONFIGURATION | ||
|
Size |
Bank 0 |
Bank 1 |
|
512KB |
(8) 8K x 8 |
Banks 0 & 1 |
|
1024KB |
(4) 32K x 8 |
Bank 0 |
|
VRAM JUMPER CONFIGURATION | ||
|
Size |
J6 |
J7 |
|
512KB |
On |
Off |
|
1024KB |
Off |
On |
|
CPU SPEED CONFIGURATION | |||
|
Speed |
J8 |
J9 |
J10 |
|
16MHz |
pins 2 & 3 closed |
pins 1 & 2 closed |
pins 2 & 3 closed |
|
20MHz |
pins 1 & 2 closed |
pins 1 & 2 closed |
pins 2 & 3 closed |
|
25MHz |
pins 2 & 3 closed |
pins 2 & 3 closed |
pins 1 & 2 closed |
|
33MHz |
pins 1 & 2 closed |
pins 2 & 3 closed |
pins 1 & 2 closed |
|
50i MHz |
pins 2 & 3 closed |
pins 2 & 3 closed |
pins 1 & 2 closed |
|
66i MHz |
pins 1 & 2 closed |
pins 2 & 3 closed |
pins 1 & 2 closed |
|
CPU TYPE CONFIGURATION | ||||
|
Speed |
J1 |
J2 |
J3 |
J4 |
|
80486SX |
Open |
Open |
Open |
Open |
|
80487SX |
Closed |
pins 1 & 2 closed |
pins 1 & 2 closed |
pins 2 & 3 closed |
|
80486DX |
Closed |
pins 1 & 2 closed |
pins 1 & 2 closed |
pins 1 & 2 closed |
|
ODP486SX |
Closed |
pins 1 & 2 closed |
pins 1 & 2 closed |
pins 2 & 3 closed |
|
80486DX2 |
Closed |
pins 1 & 2 closed |
pins 1 & 2 closed |
pins 1 & 2 closed |