AT-LAN-TEC, INC.
8-BIT COAX ARCNET
|
NIC Type |
ARCnet |
|
Transfer Rate |
2.5Mbps |
|
Data Bus |
8-bit ISA |
|
Topology |
Linear bus Star |
|
Wiring Type |
RG62A/U 93ohm coaxial |
|
Boot ROM |
Available |
|
NODE ADDRESS | ||||||||
|
Node |
SW1/1 |
SW1/2 |
SW1/3 |
SW1/4 |
SW1/5 |
SW1/6 |
SW1/7 |
SW1/8 |
|
0 |
- |
- |
- |
- |
- |
- |
- |
- |
|
1 |
On |
On |
On |
On |
On |
On |
On |
Off |
|
2 |
On |
On |
On |
On |
On |
On |
Off |
On |
|
3 |
On |
On |
On |
On |
On |
On |
Off |
Off |
|
4 |
On |
On |
On |
On |
On |
Off |
On |
On |
|
251 |
Off |
Off |
Off |
Off |
Off |
On |
Off |
Off |
|
252 |
Off |
Off |
Off |
Off |
Off |
Off |
On |
On |
|
253 |
Off |
Off |
Off |
Off |
Off |
Off |
On |
Off |
|
254 |
Off |
Off |
Off |
Off |
Off |
Off |
Off |
On |
|
255 |
Off |
Off |
Off |
Off |
Off |
Off |
Off |
Off |
|
Note:Node address 0 is reserved and must not be used. A total of 255 node address settings are available. The switches are a binary representation of the decimal node addresses. Switch 1 is the most significant bit and switch 8 the least significant bit. The switches have the following decimal values: switch 1=128, switch 2=64, switch 3=32, switch 4=16, switch 5=8, switch 6=4, switch 7=2, switch 8=1. Turn off the appropriate switches and add the values of the off switches to obtain the correct node address. | ||||||||
|
MEMORY ADDRESS SELECT | ||||||
|
RAM Address |
ROM Address |
SW2/4 |
SW2/5 |
SW2/6 |
SW2/7 |
SW2/8 |
|
C0000 - C07FFh |
C2000 - C3FFFh |
On |
On |
On |
On |
On |
|
C0800 - C0FFFh |
C2000 - C3FFFh |
On |
On |
On |
On |
Off |
|
C1000 - C17FFh |
C2000 - C3FFFh |
On |
On |
On |
Off |
On |
|
C1800 - C1FFFh |
C2000 - C3FFFh |
On |
On |
On |
Off |
Off |
|
C4000 - C47FFh |
C6000 - C7FFFh |
On |
On |
Off |
On |
On |
|
C4800 - C4FFFh |
C6000 - C7FFFh |
On |
On |
Off |
On |
Off |
|
C5000 - C57FFh |
C6000 - C7FFFh |
On |
On |
Off |
Off |
On |
|
C5800 - C5FFFh |
C6000 - C7FFFh |
On |
On |
Off |
Off |
Off |
|
CC000 - CC7FFh |
CE000 - CFFFFh |
On |
Off |
On |
On |
On |
|
CC800 - CCFFFh |
CE000 - CFFFFh |
On |
Off |
On |
On |
Off |
|
CD000 - CD7FFh |
CE000 - CFFFFh |
On |
Off |
On |
Off |
On |
|
CD800 - CDFFFh |
CE000 - CFFFFh |
On |
Off |
On |
Off |
Off |
|
D0000 - D07FFh |
D2000 - D3FFFh |
On |
Off |
Off |
On |
On |
|
D0800 - D0FFFh |
D2000 - D3FFFh |
On |
Off |
Off |
On |
Off |
|
D1000 - D17FFh |
D2000 - D3FFFh |
On |
Off |
Off |
Off |
On |
|
D1800 - D1FFFh |
D2000 - D3FFFh |
On |
Off |
Off |
Off |
Off |
|
D4000 - D47FFh |
D6000 - D7FFFh |
Off |
On |
On |
On |
On |
|
D4800 - D4FFFh |
D6000 - D7FFFh |
Off |
On |
On |
On |
Off |
|
D5000 - D57FFh |
D6000 - D7FFFh |
Off |
On |
On |
Off |
On |
|
D5800 - D5FFFh |
D6000 - D7FFFh |
Off |
On |
On |
Off |
Off |
|
D8000 - D87FFh |
DA000 - DBFFFh |
Off |
On |
Off |
On |
On |
|
D8800 - D8FFFh |
DA000 - DBFFFh |
Off |
On |
Off |
On |
Off |
|
D9000 - D97FFh |
DA000 - DBFFFh |
Off |
On |
Off |
Off |
On |
|
D9800 - D9FFFh |
DA000 - DBFFFh |
Off |
On |
Off |
Off |
Off |
|
DC000 - DC7FFh |
DE000 - DFFFFh |
Off |
Off |
On |
On |
On |
|
DC800 - DCFFFh |
DE000 - DFFFFh |
Off |
Off |
On |
On |
Off |
|
DD000 - DD7FFh |
DE000 - DFFFFh |
Off |
Off |
On |
Off |
On |
|
DD800 - DDFFFh |
DE000 - DFFFFh |
Off |
Off |
On |
Off |
Off |
|
E0000 - E07FFh |
E2000 - E3FFFh |
Off |
Off |
Off |
On |
On |
|
E0800 - E0FFFh |
E2000 - E3FFFh |
Off |
Off |
Off |
On |
Off |
|
E1000 - E17FFh |
E2000 - E3FFFh |
Off |
Off |
Off |
Off |
On |
|
E1800 - E1FFFh |
E2000 - E3FFFh |
Off |
Off |
Off |
Off |
Off |
|
TIMEOUT CONFIGURATION | ||||
|
Response Time( m |
Reconfiguration Time(msec) |
J1/F |
J1/G | |
|
78 |
840 |
Open |
Open | |
|
285 |
1680 |
Open |
Closed | |
|
563 |
1680 |
Closed |
Open | |
|
1130 |
1680 |
Closed |
Closed | |
|
BOOT ROM | ||
|
Setting |
J1/H | |
|
Disabled |
Open | |
|
Enabled |
Closed | |
|
I/O ADDRESS SELECT | ||||
|
Address |
SW2/1 |
SW2/2 |
SW2/3 | |
|
2E0 - 2EFh |
On |
Off |
On | |
|
260 - 26Fh |
On |
On |
On | |
|
290 - 29Fh |
On |
On |
Off | |
|
2F0 - 2FFh |
On |
Off |
Off | |
|
300 - 30Fh |
Off |
On |
On | |
|
350 - 35Fh |
Off |
On |
Off | |
|
380 - 38Fh |
Off |
Off |
On | |
|
3E0 - 3EFh |
Off |
Off |
Off | |
|
INTERRUPT SELECT | ||||||
|
IRQ |
J1/A |
J1/B |
J1/C |
J1/D |
J1/E | |
|
IRQ3 |
Open |
Closed |
Open |
Open |
Open | |
|
IRQ2 |
Closed |
Open |
Open |
Open |
Open | |
|
IRQ4 |
Open |
Open |
Closed |
Open |
Open | |
|
IRQ5 |
Open |
Open |
Open |
Closed |
Open | |
|
IRQ7 |
Open |
Open |
Open |
Open |
Closed | |
|
MISCELLANEOUS TECHNICAL NOTE |
|
Note:The 8-bit COAX ARCnet supports either linear bus or star topologies, depending on the version purchased. |