 |
 |
Articles / TULARC / PC info / Motherboards / Motherboards / |  |
|
|
||||
|
|
|||
|
|
|||
|
||||
|
|
||||
|
   |
|
||
|
PORTABLE 286 Motherboard Settings and Configuration |
|
||
|
||||
|
|
|
||
|
||||
|
|
|
|
||
|
||
|
|
|
|
||
|
|
||
|
||
|
|
|
|
||
|
||
COMPAQ COMPUTER CORPORATION
PORTABLE 286
|
Processor |
80286 |
|
Processor Speed |
6/8MHz |
|
Chip Set |
FOREX |
|
Max. Onboard DRAM |
640KB |
|
Cache |
None |
|
BIOS |
AMI |
|
Dimensions |
330mm x 218mm |
|
I/O Options |
None |
|
NPU Options |
8087/80287/80387SX/CX487SLC/80387DX/CX487DLC/3167/4167 |
|
CONNECTIONS | |||
|
Purpose |
Location |
Purpose |
Location |
|
External power connector |
S1 |
External battery |
S3 |
|
Monitor connector |
S2 |
Speaker |
S4 |
|
USER CONFIGURABLE SETTINGS | |||
|
Function |
Jumper |
Position | |
|
» |
Monitor select monochrome video display controller |
ED |
pins 1 & 2 closed |
|
Monitor select COMPAQ duel-mode video display controller |
ED |
pins 2 & 3 closed | |
|
» |
Factory configured - do not alter |
EM |
N/A |
|
» |
Speed select secondary, 6MHz |
ES |
pins 2 & 3 closed |
|
Speed select primary, 8MHz |
ES |
pins 1 & 2 closed | |
|
DRAM CONFIGURATION | ||
|
Size |
Bank 0 |
Bank 1 |
|
128KB |
128KB |
NONE |
|
256KB |
128KB |
(18) 4164 |
|
640KB |
128KB |
(18) 41256 |
|
TECHNICAL NOTE |
|
E1, E2, E3 is unidentified by the manufacturer. |
PORTABLE 286, motherboard, processor, socket, pentium, pentium pro, celeron, powerpc, alpha, 8088, 8086, 286, 386, 486, configuration, RAM, DRAM, floppy, jumper, connections
|
|
|
|
 |
|