WYSE TECHNOLOGY, INC.
WYSE DECISION 486GSI
Processor |
80486SX/80487SX/80486DX/80486DX2/Pentium Overdrive |
Processor Speed |
25/33/50(internal)/50/66(internal)MHz |
Chip Set |
Unidentified |
Max. Onboard DRAM |
64MB |
Cache |
128/256KB |
BIOS |
Unidentified |
Dimensions |
254mm x 218mm |
I/O Options |
PS/2 mouse port, parallel port, serial ports (2), VGA port, VGA feature connector, floppy drive interface, IDE interface, riser slot |
NPU Options |
None |
CONNECTIONS | |||
Purpose |
Location |
Purpose |
Location |
Floppy drive interface |
CN1 |
Speaker |
J11 |
IDE interface |
CN2 |
Power LED & keylock |
J12 |
VGA port |
CN3 |
Reset switch |
J13 |
Parallel port |
CN4 |
Chassis fan power |
J15 |
Serial port 1 |
CN5 |
Turbo LED |
JP29 |
Serial port 2 |
CN6 |
IDE interface LED |
JP31 |
PS/2 mouse port |
CN7 |
Turbo switch |
JP32 |
External battery |
J1 |
LED connector |
JP38 pins 3 - 10 |
VGA feature connector |
J9 |
Riser Card |
SL1 |
USER CONFIGURABLE SETTINGS | |||
Function |
Jumper |
Position | |
|
Battery type select internal |
JP1 |
pins 1 & 2 closed |
Battery type select external |
JP1 |
Open | |
CMOS memory clear |
JP1 |
pins 2 & 3 closed | |
|
VGA controller enabled |
JP2 |
pins 1 & 2 closed |
VGA controller disabled |
JP2 |
pins 2 & 3 closed | |
|
VGA IRQ9 enabled |
JP3 |
pins 1 & 2 closed |
VGA IRQ9 disabled |
JP3 |
pins 2 & 3 closed | |
|
Speaker type select internal |
JP28 |
pins 2 & 3 closed |
Speaker type select external |
JP28 |
pins 1 & 2 closed | |
|
Turbo LED enabled |
JP29 |
pins 1 & 2 closed |
Turbo LED disabled |
JP29 |
pins 2 & 3 closed | |
|
Turbo switch enabled |
JP32 |
pins 1 & 2 closed |
Turbo enabled disabled |
JP32 |
pins 2 & 3 closed | |
|
Parallel port enabled |
JP33 |
pins 1 & 2 closed |
Parallel port disabled |
JP33 |
pins 2 & 3 closed | |
|
IDE interface enabled |
JP34 |
pins 1 & 2 closed |
IDE interface disabled |
JP34 |
pins 2 & 3 closed | |
|
Floppy drive interface enabled |
JP35 |
pins 1 & 2 closed |
Floppy drive interface disabled |
JP35 |
pins 2 & 3 closed | |
|
Serial port 1 enabled |
JP36 |
pins 1 & 2 closed |
Serial port 1 disabled |
JP36 |
pins 2 & 3 closed | |
|
Serial port 2 enabled |
JP37 |
pins 1 & 2 closed |
Serial port 2 disabled |
JP37 |
pins 2 & 3 closed |
DRAM CONFIGURATION | ||||
Size |
Bank 0 |
Bank 1 |
Bank 2 |
Bank 3 |
4MB |
(1) 1M x 36 |
NONE |
NONE |
NONE |
5MB |
(1) 1M x 36 |
(1) 256K x 36 |
NONE |
NONE |
6MB |
(1) 1M x 36 |
(1) 256K x 36 |
(1) 256K x 36 |
NONE |
7MB |
(1) 1M x 36 |
(1) 256K x 36 |
(1) 256K x 36 |
(1) 256K x 36 |
8MB |
(1) 1M x 36 |
(1) 1M x 36 |
NONE |
NONE |
9MB |
(1) 1M x 36 |
(1) 1M x 36 |
(1) 256K x 36 |
NONE |
10MB |
(1) 1M x 36 |
(1) 1M x 36 |
(1) 256K x 36 |
(1) 256K x 36 |
12MB |
(1) 1M x 36 |
(1) 1M x 36 |
(1) 1M x 36 |
NONE |
13MB |
(1) 1M x 36 |
(1) 1M x 36 |
(1) 1M x 36 |
(1) 256K x 36 |
16MB |
(1) 1M x 36 |
(1) 1M x 36 |
(1) 1M x 36 |
(1) 1M x 36 |
16MB |
(1) 4M x 36 |
NONE |
NONE |
NONE |
17MB |
(1) 4M x 36 |
(1) 256K x 36 |
NONE |
NONE |
18MB |
(1) 4M x 36 |
(1) 256K x 36 |
(1) 256K x 36 |
NONE |
19MB |
(1) 4M x 36 |
(1) 256K x 36 |
(1) 256K x 36 |
(1) 256K x 36 |
20MB |
(1) 4M x 36 |
(1) 1M x 36 |
NONE |
NONE |
21MB |
(1) 4M x 36 |
(1) 1M x 36 |
(1) 256K x 36 |
NONE |
22MB |
(1) 4M x 36 |
(1) 1M x 36 |
(1) 256K x 36 |
(1) 256K x 36 |
24MB |
(1) 4M x 36 |
(1) 1M x 36 |
(1) 1M x 36 |
NONE |
DRAM CONFIGURATION (CONT) | ||||
Size |
Bank 0 |
Bank 1 |
Bank 2 |
Bank 3 |
25MB |
(1) 4M x 36 |
(1) 1M x 36 |
(1) 1M x 36 |
(1) 256K x 36 |
28MB |
(1) 4M x 36 |
(1) 1M x 36 |
(1) 1M x 36 |
(1) 1M x 36 |
32MB |
(1) 4M x 36 |
(1) 4M x 36 |
NONE |
NONE |
33MB |
(1) 4M x 36 |
(1) 4M x 36 |
(1) 256K x 36 |
NONE |
34MB |
(1) 4M x 36 |
(1) 4M x 36 |
(1) 256K x 36 |
(1) 256K x 36 |
36MB |
(1) 4M x 36 |
(1) 4M x 36 |
(1) 1M x 36 |
NONE |
37MB |
(1) 4M x 36 |
(1) 4M x 36 |
(1) 1M x 36 |
(1) 256K x 36 |
40MB |
(1) 4M x 36 |
(1) 4M x 36 |
(1) 1M x 36 |
(1) 1M x 36 |
48MB |
(1) 4M x 36 |
(1) 4M x 36 |
(1) 4M x 36 |
NONE |
49MB |
(1) 4M x 36 |
(1) 4M x 36 |
(1) 4M x 36 |
(1) 256K x 36 |
52MB |
(1) 4M x 36 |
(1) 4M x 36 |
(1) 4M x 36 |
(1) 1M x 36 |
64MB |
(1) 4M x 36 |
(1) 4M x 36 |
(1) 4M x 36 |
(1) 4M x 36 |
CACHE CONFIGURATION | |||
Size |
Bank 0 |
Bank 1 |
TAG |
128KB |
(4) 32K x 8 |
NONE |
(1) 8K x 8 |
256KB |
(4) 32K x 8 |
(4) 32K x 8 |
(1) 32K x 8 |
CACHE JUMPER CONFIGURATION | ||||
Size |
JP6 |
JP7 |
JP8 |
JP9 |
None |
Open |
Open |
Open |
Open |
128KB |
pins 2 & 3 closed |
pins 1 & 2 closed |
pins 2 & 3 closed |
pins 2 & 3 closed |
256KB |
pins 1 & 2 closed |
pins 1 & 2 closed |
pins 1 & 2 closed |
pins 1 & 2 closed |
CPU TYPE CONFIGURATION | ||
Type |
JP12 |
JP13 |
80486SX |
pins 2 & 3 closed |
Open |
80487SX |
pins 1 & 2, 3 & 4 closed |
pins 1 & 2 closed |
80486DX |
pins 1 & 2, 3 & 4 closed |
pins 2 & 3 closed |
80486DX2 |
pins 1 & 2, 3 & 4 closed |
pins 2 & 3 closed |
Pentium Overdrive |
pins 1 & 2, 3 & 4 closed |
pins 2 & 3 closed |
CPU SPEED CONFIGURATION | |||
Speed |
JP14 |
JP15 |
JP16 |
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 |
50iMHz |
pins 2 & 3 closed |
pins 2 & 3 closed |
pins 1 & 2 closed |
50MHz |
pins 1 & 2 closed |
pins 1 & 2 closed |
pins 1 & 2 closed |
66iMHz |
pins 1 & 2 closed |
pins 2 & 3 closed |
pins 1 & 2 closed |
VRAM CONFIGURATION | ||
Size |
Bank 0 |
Bank 1 |
512KB |
(4) 256K x 4 |
NONE |
1MB |
(4) 256K x 4 |
(4) 256K x 4 |