3Com EtherLink II (3C503), EtherLink II/16 (3C503-16)
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Solaris Device Driver: |
el |
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Device Type: |
Network (Ethernet) |
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Adapters: |
3Com EtherLink II (3C503), EtherLink II/16 (3C503-16) |
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Bus Type: |
ISA |
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Connectors: |
One adapter port has an RJ-45 and an AUI connector. A second adapter port has a BNC (coax) and an AUI connector. |
Preconfiguration Information
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The 3C503 adapter uses the BNC or RJ-45 port (the non-AUI connector) as the default if it cannot detect a device connected to the AUI connector.
Supported Settings
|
I/O Address |
IRQ |
|---|---|
|
0x250-0x2E0 |
3 |
|
0x300-0x350 |
2 |
Known Problems and Limitations
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The IRQ depends on the I/O address set using the jumpers. For example, if you configure the 3C503 or 3C503-16 at I/O address 0x250, no other devices should use IRQ 3.
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The 3C503 board has limited on-board memory, causing poor NFS performance. To avoid this, use a 4-Kbyte read and write buffer size to mount the NFS software over the 3C503 interface (see mount_nfs(1M)).
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