BLACK BOX CORPORATION
CONNEX 105, LE1021C
NIC Type |
Ethernet |
Transfer Rate |
10Mbps |
Data Bus |
16-bit ISA |
Topology |
Linear Bus |
Wiring Type |
RG-58A/U 50ohm coaxial AUI transceiver via DB-15 port |
Boot ROM |
Available |
I/O BASE ADDRESS & BOOT ROM ADDRESS | |||
I/O Address |
Boot ROM Address |
W1 |
W3 |
300h |
C8000-C8FFFh |
Closed |
Closed |
320h |
CC000-CFFFFh |
Closed |
Open |
340h |
D0000-D3FFFh |
Open |
Closed |
360h |
D4000-D7FFFh |
Open |
Open |
BOOT ROM | ||
Setting |
W2 | |
» |
Disabled |
Open |
Enabled |
Closed |
WAIT STATE | ||
Setting |
W4 | |
» |
0 wait states |
Open |
1 wait state |
Closed |
CABLE TYPE | |||
Type |
W5 & W13 |
W6 - W11 | |
» |
RG-58A/U 50ohm coaxial |
Pins 2 & 3 Closed |
Pins 2 & 3 Closed |
AUI transceiver via DB-15 port |
Pins 1 & 2 Closed |
Pins 1 & 2 Closed |
SIGNAL QUALITY ERROR (SQE) TEST | ||
Setting |
W12 | |
» |
Enabled |
Pins 2 & 3 Closed |
Disabled |
Pins 1 & 2 Closed | |
Note:Signal Quality Error (SQE) is a test of the collision circuitry and path. |
DMA CHANNELS | |||||||||
Channel |
W14 |
W15 |
W16 |
W17 |
W18 |
W19 |
W23 |
W24 | |
» |
DMA3 |
Open |
Open |
Open |
Open |
Open |
Open |
Closed |
Closed |
DMA5 |
Open |
Open |
Open |
Open |
Closed |
Closed |
Open |
Open | |
DMA6 |
Open |
Open |
Closed |
Closed |
Open |
Open |
Open |
Open | |
DMA7 |
Closed |
Closed |
Open |
Open |
Open |
Open |
Open |
Open |
INTERRUPT REQUEST | |||||
IRQ |
W20 |
W21 |
W22 |
W25 | |
Disabled |
Open |
Open |
Open |
Open | |
2/9 |
Open |
Open |
Open |
Closed | |
» |
3 |
Closed |
Open |
Open |
Open |
4 |
Open |
Closed |
Open |
Open | |
5 |
Open |
Open |
Closed |
Open |