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M8117

RACORE COMPUTER PRODUCTS, INC.

M8117

NIC Type

Token-Ring

Transfer Rate

4/16Mbps

Data Bus

8/16-bit ISA

Topology

Ring

Wiring Type

Shielded twisted pair

Unshielded twisted pair(with external media filter)

62.5/125 or 50/125 m

Boot ROM

Available

MAU TYPE

Setting

JP2

802.5J

Pins 2 & 3 closed

 

Alternate

Pins 1 & 2 closed

ROM MEMORY ENABLE

Setting

JP3

Enabled

Closed

 

Disabled

Open

Note:The boot ROM socket can contain a BIA ROM or a boot ROM. The BIA ROM provides the node address if a boot ROM is not installed. If the ROM memory is disabled, the node address must be set using the RTR16ASI.SYS device driver.

I/O BASE ADDRESS

Address

SW1/1

SW1/2

A00 - A0Fh

On

On

 

A20 - A2Fh

Off

On

 

A40 - A4Fh

On

Off

 

A60 - A6Fh

Off

Off

INTERRUPT REQUEST

IRQ

SW1/3

SW1/4

 

2/9

Off

On

3

On

On

 

10

On

Off

 

11

Off

Off

Note:If using the card in an 8-bit slot, do not use IRQ10 or IRQ11.

BOOT ROM ADDRESS

Address

SW1/5

SW1/6

 

CC000 - CDFFFh

On

On

 

D0000 - D1FFFh

Off

On

 

D8000 - D9FFFh

On

Off

DC000 - DDFFFh

Off

Off

DMA CHANNEL

Channel

SW1/7

SW1/8

 

DMA0

On

On

 

DMA5

Off

On

DMA6

On

Off

 

DMA7

Off

Off

BOOT ROM

Setting

SW1/9

Disabled

On

 

Enabled

Off

Note:To install the boot ROM remove the BIA ROM (if installed) and replace it with the boot ROM.

JP3 must be closed for the boot ROM to function.

NETWORK SEGMENT SPEED

Speed

SW1/10

16Mbps

On

 

4Mbps

Off

Note:All cards on the network segment must have this option set the same.

LOGIC LINK CONTROL (LLC) LOCATION

Speed

SW1/11

ROM based

On

 

RAM based

Off

Note:LLC allows the card to access networks using the ISO and SNA protocols. (e.g. IBM PC LAN,IBM 3270 terminal emulation, and AS400)

The card has built-in LLC support on the two ROMs above SW1. To allow for future compatiblity and upgrades you can load the LLC code into the onboard RAM.

CABLE TYPE & MAXIMUM CABLE LENTGH

Type

Max. Length

SW1/12

Fiber optic cable

75m

On

 

Shielded twisted pair

2000m

Off

 

Unshielded twisted pair with media-filter

100m

Off

DIAGNOSTIC LED(S)

LED

Status

Condition

LED1

On

Fiber optic cable connection is good

LED1

Off

Fiber optic cable connection is broken

LED2

On

Card is inserted into the ring

LED2

Off

Card is not inserted into the ring

Note:If the MAU type is set to 802.2J (JP2 - Pins 2 & 3 closed) LED1 will not light until the adapter attempts insertion into the network.