1210A (VER. 2) Hard Disk/Floppy Controller Settings and Configuration
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 |
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