HEWLETT-PACKARD COMPANY
HP VECTRA 486S/20
|
Processor |
80486SX/80487SX |
|
Processor Speed |
20MHz |
|
Chip Set |
HP |
|
Max. Onboard DRAM |
64MB |
|
Cache |
8KB |
|
BIOS |
Unidentified |
|
Dimensions |
330mm x 218mm |
|
I/O Options |
Mouse port, floppy drive interface, IDE interface, parallel port, serial ports (2) |
|
NPU Options |
None |
|
CONNECTIONS | |||
|
Purpose |
Location |
Purpose |
Location |
|
Mouse port |
CN1 |
External battery |
J1 |
|
Parallel port |
CN2 |
IDE interface LED |
J2 |
|
Serial port 1 |
CN3 |
Speaker |
J3 |
|
Serial port 2 |
CN4 |
Control panel connector |
J4 |
|
Floppy drive interface |
CN6 | ||
|
USER CONFIGURABLE SETTINGS | |||
|
Function |
Switch |
Position | |
|
BIOS write protect enabled |
SW1 |
"Locked" | |
|
BIOS write protect disabled |
SW1 |
"Unlocked" | |
|
» |
CMOS normal operation |
SW2/1 |
Off |
|
CMOS memory clear |
SW2/1 |
On | |
|
» |
Do not erase power-on password in CMOS |
SW2/2 |
Off |
|
Erase power-on password in CMOS |
SW2/2 |
On | |
|
» |
Lock EISA configuration settings |
SW2/3 |
On |
|
Unlock EISA configuration settings |
SW2/3 |
Off | |
|
DRAM CONFIGURATION | ||||
|
Size |
Bank 0 |
Bank 1 |
Bank 2 |
Bank 3 |
|
2MB |
(2) 256K x 36 |
NONE |
NONE |
NONE |
|
4MB |
(2) 512KB x 36 |
NONE |
NONE |
NONE |
|
4MB |
(2) 256K x 36 |
(2) 256K x 36 |
NONE |
NONE |
|
6MB |
(2) 256K x 36 |
(2) 256K x 36 |
(2) 256K x 36 |
NONE |
|
8MB |
(2) 256K x 36 |
(2) 256K x 36 |
(2) 256K x 36 |
(2) 256K x 36 |
|
8MB |
(2) 512KB x 36 |
(2) 512KB x 36 |
NONE |
NONE |
|
8MB |
(2) 1M x 36 |
NONE |
NONE |
NONE |
|
10MB |
(2) 1M x 36 |
NONE |
(2) 256K x 36 |
NONE |
|
12MB |
(2) 1M x 36 |
NONE |
(2) 512KB x 36 |
NONE |
|
16MB |
(2) 2M x 36 |
NONE |
NONE |
NONE |
|
16MB |
(2) 1M x 36 |
(2) 1M x 36 |
NONE |
NONE |
|
18MB |
(2) 1M x 36 |
(2) 1M x 36 |
(2) 256K x 36 |
NONE |
|
18MB |
(2) 2M x 36 |
NONE |
(2) 256K x 36 |
NONE |
|
20MB |
(2) 2M x 36 |
NONE |
(2) 512K x 36 |
NONE |
|
20MB |
(2) 2M x 36 |
NONE |
(2) 256K x 36 |
(2) 256K x 36 |
|
24MB |
(2) 1M x 36 |
(2) 1M x 36 |
(2) 1M x 36 |
NONE |
|
24MB |
(2) 2M x 36 |
(2) 512K x 36 |
(2) 512K x 36 |
NONE |
|
24MB |
(2) 2M x 36 |
NONE |
(2) 1M x 36 |
NONE |
|
32MB |
(2) 2M x 36 |
(2) 2M x 36 |
NONE |
NONE |
|
32MB |
(2) 2M x 36 |
(2) 1M x 36 |
(2) 1M x 36 |
NONE |
|
32MB |
(2) 2M x 36 |
(2) 2M x 36 |
(2) 2M x 36 |
NONE |
|
34MB |
(2) 2M x 36 |
(2) 256K x 36 |
NONE |
NONE |
|
36MB |
(2) 2M x 36 |
(2) 512K x 36 |
NONE |
NONE |
|
36MB |
(2) 2M x 36 |
(2) 256K x 36 |
(2) 256K x 36 |
NONE |
|
40MB |
(2) 2M x 36 |
(2) 2M x 36 |
(2) 512K x 36 |
(2) 512K x 36 |
|
DRAM CONFIGURATION (CONTINUED) | ||||
|
Size |
Bank 0 |
Bank 1 |
Bank 2 |
Bank 3 |
|
40MB |
(2) 2M x 36 |
(2) 2M x 36 |
(2) 1M x 36 |
NONE |
|
48MB |
(2) 2M x 36 |
(2) 2M x 36 |
(2) 1M x 36 |
(2) 1M x 36 |
|
48MB |
(2) 2M x 36 |
(2) 2M x 36 |
(2) 2M x 36 |
NONE |
|
64MB |
(2) 2M x 36 |
(2) 2M x 36 |
(2) 2M x 36 |
(2) 2M x 36 |