CMS ENHANCEMENTS, INC.
HBA-SA0
|
Data Bus |
8/16 bit ISA |
|
Card Size |
Full height, half length |
|
Hard Drives Supported |
Up to 7 SCSI devices |
|
Floppy Drives Supported |
None |
|
CONNECTIONS | |||
|
Function |
Label |
Function |
Label |
|
50-pin SCSI connector - internal |
J1 |
1.5A fuse |
F1 |
|
50-pin SCSI connector - external |
J2 |
4-pin drive active LED |
LED3 |
|
3-pin DC power out |
J6 | ||
|
USER CONFIGURABLE SETTINGS | |||
|
Setting |
Label |
Position | |
|
TERMPWR enabled |
W1 |
Pins 1 & 2 closed | |
|
TERMPWR disabled |
W1 |
Pins 2 & 3 closed | |
|
Card uses 8-bit transfers |
W5 |
Pins 1 & 2 closed | |
|
Card uses 16-bit transfers |
W5 |
Pins 2 & 3 closed | |
|
SOFTWARE SUPPORTED CONFIGURATIONS | ||
|
BIOS Address |
IRQ |
DMA |
|
C000h |
10 |
6 |
|
C800h |
11 |
6 |
|
D000h |
12 |
7 |
|
D800h |
10 |
5 |
|
Note:IRQ and DMA are BIOS address dependent and must be set in these combinations. | ||
|
BIOS ADDRESS SELECTION | |||
|
Setting |
S3/7 |
S3/8 | |
|
C000h |
On |
On | |
|
C800h |
Off |
On | |
|
D000h |
On |
Off | |
|
D800h |
Off |
Off | |
|
DMA CHANNEL SELECTION | |||||||
|
Setting |
W2/A |
W2/B |
W2/C |
W4/A |
W4/B |
W4/C | |
|
DMA5 |
Open |
Open |
Closed |
Open |
Open |
Closed | |
|
DMA6 |
Open |
Closed |
Open |
Open |
Closed |
Open | |
|
DMA7 |
Closed |
Open |
Open |
Closed |
Open |
Open | |
|
INTERRUPT SELECTION | ||||
|
Setting |
W3/A |
W3/B |
W3/C | |
|
IRQ10 |
Open |
Open |
Closed | |
|
IRQ11 |
Open |
Closed |
Open | |
|
IRQ12 |
Closed |
Open |
Open | |
|
DMA TRANSFER RATE | ||||||||
|
Transfer |
DRAM |
S3/1 |
S3/2 |
S3/3 |
S3/4 |
S3/5 |
S3/6 | |
|
3.33MBps |
200-250nS |
Off |
On |
Off |
On |
Off |
Off | |
|
4.55MBps |
150-200nS |
Off |
Off |
On |
On |
On |
Off | |
|
5.56MBps |
120-150nS |
On |
Off |
On |
Off |
Off |
On | |
|
7.14MBps |
80-120nS |
Off |
On |
On |
On |
Off |
On | |
|
10MBps |
40-80nS |
On |
On |
On |
Off |
On |
On | |
|
12.5MBps |
<40nS |
On |
On |
On |
On |
On |
On | |
|
SCSI TERMINATION | |||
|
Setting |
R1 |
R2 |
R3 |
|
Terminated |
Installed |
Installed |
Installed |
|
Not terminated |
Not installed |
Not installed |
Not installed |