GSI, INC.
MODEL 2C
Data Bus |
16-bit ISA |
Card Size |
Half height, half length |
Hard Drives Supported |
Four IDE(AT) devices |
Floppy Drives Supported |
None |
CONNECTIONS | |||
Function |
Label |
Function |
Label |
VESA local bus extension module |
J1 |
40-pin secondary IDE(AT) connector |
J7 |
4-pin DC power out |
J5 |
4-pin drive active LED |
J8 |
40-pin primary IDE(AT) connector |
J6 |
USER CONFIGURABLE SETTINGS | |||
Setting |
Label |
Position | |
Factory configured - do not alter |
J4/A |
Pins 2 & 3 | |
GSI BigaByte support for >4095 cylinder drives disabled |
J4/G |
Pins 1 & 2 | |
GSI BigaByte support for >4095 cylinder drives enabled |
J4/G |
Pins 2 & 3 |
IDE(AT) INTERFACE CONFIGURATION | |||||
Option |
Primary Addr. |
Secondary Addr. |
Primary IRQ |
Secondary IRQ | |
1 |
1F0h |
170h |
IRQ14 |
IRQ15 | |
2 |
170h |
Disabled |
IRQ15 |
N/A | |
3 |
170h |
Disabled |
IRQ12 |
N/A | |
4 |
170h |
1E8h |
IRQ15 |
IRQ11 | |
5 |
170h |
1E8h |
IRQ15 |
IRQ12 | |
6 |
1E8h |
Disabled |
IRQ11 |
N/A | |
7 |
1E8h |
Disabled |
IRQ12 |
N/A | |
8 |
1E8h |
168h |
IRQ11 |
IRQ10 | |
9 |
1E8h |
168h |
IRQ11 |
IRQ12 |
IDE(AT) INTERFACE CONFIGURATION (CONT) | |||||
Option |
J4/B |
J4/C |
J4/D |
J9 | |
1 |
Pins 1 & 2 closed |
Pins 1 & 2 closed |
Pins 2 & 3 closed |
Pins 7 & 8 closed | |
2 |
Pins 2 & 3 closed |
Pins 2 & 3 closed |
Pins 2 & 3 closed |
Pins 7 & 8 closed | |
3 |
Pins 2 & 3 closed |
Pins 2 & 3 closed |
Pins 2 & 3 closed |
Pins 5 & 7 closed | |
4 |
Pins 1 & 2 closed |
Pins 2 & 3 closed |
Pins 2 & 3 closed |
Pins 7 & 8, 4 & 6 closed | |
5 |
Pins 1 & 2 closed |
Pins 2 & 3 closed |
Pins 2 & 3 closed |
Pins 7 & 8, 5 & 6 closed | |
6 |
Pins 2 & 3 closed |
Pins 1 & 2 closed |
Pins 1 & 2 closed |
Pins 4 & 6 closed | |
7 |
Pins 2 & 3 closed |
Pins 1 & 2 closed |
Pins 1 & 2 closed |
Pins 5 & 6 closed | |
8 |
Pins 1 & 2 closed |
Pins 1 & 2 closed |
Pins 1 & 2 closed |
Pins 4 & 6, 1 & 3 closed | |
9 |
Pins 1 & 2 closed |
Pins 1 & 2 closed |
Pins 1 & 2 closed |
Pins 4 & 6, 3 & 5 closed |
BIOS ADDRESS SELECTION | |||
Setting |
J4/E |
J4/F | |
C800h |
Pins 1 & 2 closed |
Pins 1 & 2 closed | |
CC00h |
Pins 2 & 3 closed |
Pins 1 & 2 closed | |
D000h |
Pins 1 & 2 closed |
Pins 2 & 3 closed | |
E000h |
Pins 2 & 3 closed |
Pins 2 & 3 closed |