HEWLETT-PACKARD COMPANY
SUPER VGA BOARD
|
Category |
Video |
|
Video Types Supported |
XVGA |
|
Video Processor |
Unidentified |
|
Highest Resolution Supported |
1024 x 768 |
|
Data Bus Type |
16-bit ISA |
|
Memory Type |
DRAM |
|
Maximum Onboard Memory |
512KB |
|
CONNECTIONS | |||
|
Purpose |
Location |
Purpose |
Location |
|
15-pin analog video port |
CN1 |
VGA feature connector |
CN2 |
|
VIDEO MEMORY CACHE CONFIGURATION | ||
|
Setting |
SW1/4 | |
|
Enabled |
On | |
|
Disabled |
Off | |
|
EMULATION MODE CONFIGURATION | ||
|
Setting |
SW1/5 | |
|
Enabled |
On | |
|
Disabled CGA & HGC |
Off | |
|
BIOS ROM ACCESS SELECTION | ||
|
Mode |
SW1/6 | |
|
16-bit |
On | |
|
8-bit |
Off | |
|
Note: Switch SW1/6 is used in conjunction with jumper E2. | ||
|
MEMORY ACCESS SELECTION | ||
|
Mode |
SW1/7 | |
|
16-bit |
On | |
|
8-bit |
Off | |
|
VGA PURE MODE CONFIGURATION | ||
|
Mode |
SW1/8 | |
|
Enable Super VGA Board extensions |
On | |
|
Force pure IBM VGA modes |
Off | |
|
VERTICAL INTERRUPT CONFIGURATION | ||
|
IRQ 2/9 |
E1 | |
|
Disabled |
Pins 2 & 3 closed | |
|
Enabled |
Pins 1 & 2 closed | |
|
16-BIT ROM DECODE CONFIGURATION | ||
|
Setting |
E2 | |
|
C000h - C7FFh memory segment is enabled |
Pins 1 & 2 closed | |
|
Decodes memory segments C000h - DFFFh |
Pins 2 & 3 closed | |
|
FACTORY CONFIGURED - DO NOT ALTER | |
|
Switch |
Position |
|
SW1/1 |
On |
|
SW1/2 |
On |
|
SW1/3 |
On |
|
DRAM CONFIGURATION | ||
|
Memory |
Bank 0 |
Bank 1 |
|
256KB |
(8) 64K x 4 |
NONE |
|
512KB |
(8) 64K x 4 |
(8) 64K x 4 |