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 |