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.
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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.
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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.
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