COMPAQ COMPUTER CORPORATION
PRESARIO 700/900 SERIES
|
Processor |
80486SX2/80486DX/80486DX2/80486DX4/Pentium Overdrive |
|
Processor Speed |
25/33/50(internal)/66(internal)/75(internal)/100(internal)MHz |
|
Chip Set |
Compaq |
|
Max. Onboard DRAM |
100MB |
|
Cache |
128KB (on external cache card) |
|
BIOS |
Unidentified |
|
Dimensions |
330mm x 218mm |
|
I/O Options |
External cache card, game port, parallel port, PS/2 mouse port, serial ports (2), VGA feature connector, line in port, line out port, microphone port, VGA port, CD-ROM line in, TV board line in |
|
NPU Options |
None |
|
CONNECTIONS | |||
|
Purpose |
Location |
Purpose |
Location |
|
Parallel port |
CN1 |
VGA port |
CN10 |
|
Game port |
CN2 |
Serial port 2 |
J2 |
|
Line in port |
CN3 |
Video upgrade interface |
J4 & J6 |
|
Line out port |
CN4 |
CD-ROM line in |
J10 |
|
Microphone port |
CN5 |
External battery |
J11 |
|
Speaker |
CN6 |
TV board line in |
J16 |
|
PS/2 mouse port |
CN7 |
VGA feature connector |
J20 |
|
Keyboard |
CN8 |
External cache card |
SL1 |
|
Serial port 1 |
CN9 | ||
|
USER CONFIGURABLE SETTINGS | |||
|
Function |
Jumper |
Position | |
|
|
Factory configured - do not alter |
J7 |
Open |
|
|
Cache type select write through |
P3 |
pins 1 & 2 closed |
|
Cache type select write back |
P3 |
pins 2 & 3 closed | |
|
|
CMOS memory normal operation |
P5 |
Closed |
|
CMOS memory clear |
P5 |
Open | |
|
DRAM CONFIGURATION | ||||
|
Size |
Bank 0 |
Bank 1 |
Bank 2 |
Bank 3 |
|
4MB |
(8) 411000 |
NONE |
NONE |
NONE |
|
8MB |
(8) 411000 |
(1) 1M x 36 |
NONE |
NONE |
|
12MB |
(8) 411000 |
(1) 1M x 36 |
(1) 1M x 36 |
NONE |
|
12MB |
(8) 411000 |
(1) 2M x 36 |
NONE |
NONE |
|
16MB |
(8) 411000 |
(1) 1M x 36 |
(1) 1M x 36 |
(1) 1M x 36 |
|
16MB |
(8) 411000 |
(1) 1M x 36 |
(1) 2M x 36 |
NONE |
|
16MB |
(8) 411000 |
(1) 2M x 36 |
(1) 1M x 36 |
NONE |
|
20MB |
(8) 411000 |
(1) 2M x 36 |
(1) 1M x 36 |
(1) 1M x 36 |
|
20MB |
(8) 411000 |
(1) 2M x 36 |
(1) 2M x 36 |
NONE |
|
20MB |
(8) 411000 |
(1) 4M x 36 |
NONE |
NONE |
|
24MB |
(8) 411000 |
(1) 1M x 36 |
(1) 2M x 36 |
(1) 2M x 36 |
|
24MB |
(8) 411000 |
(1) 1M x 36 |
(1) 4M x 36 |
NONE |
|
24MB |
(8) 411000 |
(1) 4M x 36 |
(1) 1M x 36 |
NONE |
|
28MB |
(8) 411000 |
(1) 2M x 36 |
(1) 2M x 36 |
(1) 2M x 36 |
|
28MB |
(8) 411000 |
(1) 2M x 36 |
(1) 4M x 36 |
NONE |
|
28MB |
(8) 411000 |
(1) 4M x 36 |
(1) 1M x 36 |
(1) 1M x 36 |
|
28MB |
(8) 411000 |
(1) 4M x 36 |
(1) 2M x 36 |
NONE |
|
36MB |
(8) 411000 |
(1) 4M x 36 |
(1) 2M x 36 |
(1) 2M x 36 |
|
36MB |
(8) 411000 |
(1) 8M x 36 |
NONE |
NONE |
|
40MB |
(8) 411000 |
(1) 1M x 36 |
(1) 4M x 36 |
(1) 4M x 36 |
|
40MB |
(8) 411000 |
(1) 1M x 36 |
(1) 8M x 36 |
NONE |
|
40MB |
(8) 411000 |
(1) 8M x 36 |
(1) 1M x 36 |
NONE |
|
44MB |
(8) 411000 |
(1) 2M x 36 |
(1) 4M x 36 |
(1) 4M x 36 |
|
44MB |
(8) 411000 |
(1) 2M x 36 |
(1) 8M x 36 |
NONE |
|
44MB |
(8) 411000 |
(1) 8M x 36 |
(1) 1M x 36 |
(1) 1M x 36 |
|
44MB |
(8) 411000 |
(1) 8M x 36 |
(1) 2M x 36 |
NONE |
|
52MB |
(8) 411000 |
(1) 4M x 36 |
(1) 4M x 36 |
(1) 4M x 36 |
|
52MB |
(8) 411000 |
(1) 4M x 36 |
(1) 8M x 36 |
NONE |
|
52MB |
(8) 411000 |
(1) 8M x 36 |
(1) 2M x 36 |
(1) 2M x 36 |
|
52MB |
(8) 411000 |
(1) 8M x 36 |
(1) 4M x 36 |
NONE |
|
68MB |
(8) 411000 |
(1) 4M x 36 |
(1) 4M x 36 |
NONE |
|
68MB |
(8) 411000 |
(1) 8M x 36 |
(1) 4M x 36 |
(1) 4M x 36 |
|
68MB |
(8) 411000 |
(1) 8M x 36 |
(1) 8M x 36 |
NONE |
|
72MB |
(8) 411000 |
(1) 1M x 36 |
(1) 8M x 36 |
(1) 8M x 36 |
|
76MB |
(8) 411000 |
(1) 2M x 36 |
(1) 8M x 36 |
(1) 8M x 36 |
|
84MB |
(8) 411000 |
(1) 4M x 36 |
(1) 8M x 36 |
(1) 8M x 36 |
|
100MB |
(8) 411000 |
(1) 8M x 36 |
(1) 8M x 36 |
(1) 8M x 36 |
|
Note: Bank 0 is factory installed 4MB and is not configurable. | ||||
|
CPU SPEED CONFIGURATION | |
|
Speed |
P1 |
|
25MHz |
pins 1 & 2 closed |
|
33MHz |
pins 2 & 3 closed |
|
50iMHz |
pins 1 & 2 closed |
|
66iMHz |
pins 2 & 3 closed |
|
75iMHz |
pins 1 & 2 closed |
|
100iMHz |
pins 2 & 3 closed |
|
CPU CLOCK SPEED CONFIGURATION (80486DX4) | |
|
Speed |
P4 |
|
2.0x |
pins 2 & 3 closed |
|
2.5x |
pins 1 & 2 closed |
|
3.0x |
pins 3 & 4 closed |