View source for 3Com 3C501

ETHERLINK (3C501; ASSY.#1221)

[[Image:3com 3c501 front.jpg]]

[[Image:3com501-jumper.png]]

{|
|NIC Type
|Ethernet
|-
|Transfer Rate
|10Mbps
|-
|Data Bus
|8-bit ISA
|-
|Topology
|Linear Bus
|-
|Wiring Type
|RG-58A/U 50ohm coaxial
|-
|
|AUI transceiver via DB-15 port
|-
|Boot ROM
|Available
|}


CABLE TYPE SELECTION
{|
! style="text-align:left;"| Type
! Setting
|-
|RG-58A/U 50ohm coaxial
|Option 1
|-
|AUI transceiver via DB-15 port
|Option 2
|}


BOOT ROM CONFIGURATION
{|
! style="text-align:left;"| Setting
! JP3
|-
|Disabled
|Pins 2 & 3 Closed
|-
|Enabled
|Pins 1 & 2 Closed
|}


I/O BASE ADDRESS SELECTION
BOOT ROM CONFIGURATION
{|
! style="text-align:left;"| Address
!JP4
!JP5
!JP6
!JP7
!JP8
!JP9
|-
|300h
|Pins 2 & 3
|Pins 2 & 3
|Pins 2 & 3
|Pins 2 & 3
|Pins 1 & 2
|Pins 1 & 2
|-
|310h
|Pins 1 & 2
|Pins 2 & 3
|Pins 2 & 3
|Pins 2 & 3
|Pins 1 & 2
|Pins 1 & 2
|}
Note:Pins designated should be in the closed position.


BOOT ROM ADDRESS SELECTION
{|
! style="text-align:left;"| Address
!JP12
!JP13
!JP14
!JP15
!JP16
!JP17
!JP18
!JP19
|-
|CC000h
|Pins 2&3
|Pins 2&3
|Pins 1&2
|Pins 1&2
|Pins 2&3
|Pins 2&3
|Pins 1&2
|Pins 1&2
|-
|EC000h
|Pins 2&3
|Pins 2&3
|Pins 1&2
|Pins 1&2
|Pins 2&3
|Pins 1&2
|Pins 1&2
|Pins 1&2
|}
Note:Pins designated should be in the closed position.


INTERRUPT REQUEST SELECTION
{|
! style="text-align:left;"| IRQ
!JP20
!JP21
!JP22
!JP23
!JP24
!JP25
|-
|2
|Closed
|Open
|Open
|Open
|Open
|Open
|-
|3
|Open
|Closed
|Open
|Open
|Open
|Open
|-
|4
|Open
|Open
|Closed
|Open
|Open
|Open
|-
|5
|Open
|Open
|Open
|Closed
|Open
|Open
|-
|6
|Open
|Open
|Open
|Open
|Closed
|Open
|-
|7
|Open
|Open
|Open
|Open
|Open
|Closed
|}


DMA CHANNEL SELECTION
{|
! style="text-align:left;"| Channel
!JP26
!JP27
!JP28
!JP29
!JP30
!JP31
|-
|DMA1
|Closed
|Open
|Open
|Closed
|Open
|Open
|-
|DMA2
|Open
|Closed
|Open
|Open
|Closed
|Open
|-
|DMA3
|Open
|Open
|Closed
|Open
|Open
|Closed
|}
{{stub}}