ZENITH DATA SYSTEMS
SQ-5550/5551
|
NIC Type |
Ethernet |
|
Transfer Rate |
10Mbps |
|
Data Bus |
16-bit ISA |
|
Topology |
Star |
|
Wiring Type |
Shielded/Unshielded twisted pair |
|
Boot ROM |
Available |
|
DMA CHANNEL | |||||||||
|
Channel |
JP1A |
JP1B |
JP1C |
JP1D |
JP2A |
JP2B |
JP2C |
JP2D | |
|
DMA3 |
Open |
Open |
Open |
Closed |
Open |
Open |
Open |
Closed | |
|
DMA5 |
Open |
Open |
Closed |
Open |
Open |
Open |
Closed |
Open | |
|
DMA6 |
Open |
Closed |
Open |
Open |
Open |
Closed |
Open |
Open | |
|
DMA7 |
Closed |
Open |
Open |
Open |
Closed |
Open |
Open |
Open | |
|
INTERRUPT REQUEST | |||||||
|
IRQ |
JP3A |
JP3B |
JP3C |
JP3D |
JP3E |
JP3F | |
|
3 |
Closed |
Open |
Open |
Open |
Open |
Open | |
|
4 |
Open |
Closed |
Open |
Open |
Open |
Open | |
|
5 |
Open |
Open |
Closed |
Open |
Open |
Open | |
|
9 |
Open |
Open |
Open |
Closed |
Open |
Open | |
|
10 |
Open |
Open |
Open |
Open |
Closed |
Open | |
|
15 |
Open |
Open |
Open |
Open |
Open |
Closed | |
|
DATA I/O MODE | ||
|
Setting |
JP4 | |
|
8-bit mode |
Pins 2 & 3 Closed | |
|
16-bit mode |
Pins 1 & 2 Closed | |
|
Note:Card must be installed in a 16-bit slot. This setting controls the size of the data bus used. Memory accesses always use 16-bit words. | ||
|
BOOT ROM | ||
|
Setting |
JP5 | |
|
Disabled |
Open | |
|
Enabled |
Closed | |
|
I/O BASE ADDRESS AND BOOT ROM ADDRESS | ||||
|
Address |
ROM Address |
JP6 |
JP7 | |
|
300h |
C8000h |
Closed |
Closed | |
|
320h |
CC000h |
Closed |
Open | |
|
340h |
D0000h |
Open |
Closed | |
|
360H |
D4000h |
Open |
Open | |
|
DIAGNOSTIC LED(S) | ||
|
LED |
Status |
Condition |
|
1 |
On |
Data is being transmitted |
|
1 |
Off |
Data is not being transmitted |
|
2 |
Bright |
Data is being received |
|
2 |
Dim |
Link pulses are being received |
|
2 |
Off |
Data is not being received |