1210A (VER. 2)
|
Data Bus |
8-bit ISA |
|
Card Size |
Full-length, full-height card |
|
Hard Drives supported |
Two ST-506/412(MFM) drives |
|
Floppy drives supported |
None |
|
CONNECTIONS | |||
|
Function |
Location |
Function |
Location |
|
34-pin cable connector - hard drive |
J1 |
20-pin data cable connector - drive 2 |
J3 |
|
20-pin data cable connector - drive 1 |
J2 |
Factory test connector - do not alter |
J4 |
|
USER CONFIGURABLE SETTINGS | |||
|
Function |
Label |
Position | |
|
Host ROM enabled |
JP4/8 |
Closed | |
|
Host ROM disabled |
JP4/8 |
Open | |
|
Note: When multiple controllers exist, one of these controllers must disable the host ROM. | |||
|
DMA CHANNEL SELECTION | ||||||
|
Channel |
JP2/1 |
JP2/2 |
JP2/3 |
JP5/1 |
JP5/2 |
JP5/3 |
|
1 |
Closed |
Open |
Open |
Closed |
Open |
Open |
|
2 |
Open |
Closed |
Open |
Open |
Closed |
Open |
|
3 |
Open |
Open |
Closed |
Open |
Open |
Closed |
|
BIOS ADDRESS SELECTION | ||||
|
Address |
JP1/1 |
JP1/2 |
JP1/3 |
JP1/4 |
|
300h |
Closed |
Closed |
Closed |
Closed |
|
304h |
Open |
Closed |
Closed |
Closed |
|
308h |
Closed |
Open |
Closed |
Closed |
|
30Ch |
Open |
Open |
Closed |
Closed |
|
310h |
Closed |
Closed |
Open |
Closed |
|
314h |
Open |
Closed |
Open |
Closed |
|
318h |
Closed |
Open |
Open |
Closed |
|
31Ch |
Open |
Open |
Open |
Closed |
|
320h |
Closed |
Closed |
Closed |
Open |
|
324h |
Open |
Closed |
Closed |
Open |
|
328h |
Closed |
Open |
Closed |
Open |
|
32Ch |
Open |
Open |
Closed |
Open |
|
330h |
Closed |
Closed |
Open |
Open |
|
334h |
Open |
Closed |
Open |
Open |
|
338h |
Closed |
Open |
Open |
Open |
|
33Ch |
Open |
Open |
Open |
Open |
|
HOST ROM ADDRESS SELECTION | |||||||
|
Address |
JP4/1 |
JP4/2 |
JP4/3 |
JP4/4 |
JP4/5 |
JP4/6 |
JP4/7 |
|
00000h |
Closed |
Closed |
Closed |
Closed |
Closed |
Closed |
Closed |
|
02000h |
Closed |
Closed |
Closed |
Closed |
Closed |
Closed |
Open |
|
04000h |
Closed |
Closed |
Closed |
Closed |
Closed |
Open |
Closed |
|
06000h |
Closed |
Closed |
Closed |
Closed |
Closed |
Open |
Open |
|
08000h |
Closed |
Closed |
Closed |
Closed |
Open |
Closed |
Closed |
|
F6000h |
Open |
Open |
Open |
Open |
Closed |
Open |
Open |
|
F8000h |
Open |
Open |
Open |
Open |
Open |
Closed |
Closed |
|
FA000h |
Open |
Open |
Open |
Open |
Open |
Closed |
Open |
|
FC000h |
Open |
Open |
Open |
Open |
Open |
Open |
Closed |
|
FE000h |
Open |
Open |
Open |
Open |
Open |
Open |
Open |
|
Note: A total of 128 address settings are available. The jumpers are a binary representation of the decimal memory addresses. JP4/1 is the Most Significant Bit and JP4/7 is the Least Significant Bit. The jumpers have the following decimal values: JP4/7= 2000h, JP4/6=4000h, JP4/5=8000h, JP4/4=10000h, JP4/3=20000h, JP4/2=40000h, JP4/1=80000h. Turn on the switches and add the values of the switches to obtain the correct memory address. (Closed = 0, Open=1) | |||||||
|
INTERRUPT SELECTION | ||||||
|
Setting |
JP3/1 |
JP3/2 |
JP3/3 |
JP3/4 |
JP3/5 |
JP3/6 |
|
2 |
Closed |
Open |
Open |
Open |
Open |
Open |
|
3 |
Open |
Closed |
Open |
Open |
Open |
Open |
|
4 |
Open |
Open |
Closed |
Open |
Open |
Open |
|
5 |
Open |
Open |
Open |
Closed |
Open |
Open |
|
6 |
Open |
Open |
Open |
Open |
Closed |
Open |
|
7 |
Open |
Open |
Open |
Open |
Open |
Closed |