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@0083.ADF SK-NET FDDI-xM/FDDI Network Adapter
skfmdiag.zip Hardware Diagnostic Program for DOS
fddiboot.zip Remote Boot ROM image for NetWare IPX.
SK-NET FDDI-MCA Adapters / SK-52xx Drivers
SK-NET FDDI NICs - Installation Guide (German, French)
On-Line User Manual for the FDDI Family (same as above, missing pics)
Implementing FDDI Over Copper
The Effect of Local Buffer Memory Size on FDDI Throughput
FDDI on Copper with AMD PHY Components
SK-NET FDDI-UM Copper RJ-45 connector SAS (Single Attachment Station)
SK-5241 FDDI-FM Fiber MIC connector SAS (Single Attachment Station)
SK-5242 FDDI-FM DAS Fiber 2 MIC connectors DAS (Dual Attachment Station)
Same as FDDI-FM with addition of daughtercard
SK-5221 FDDI UM
ADF Sections
SK-5221 FDDI UM
D1 Green and Amber LEDs
J6 Daughtercard?
U1 STP interface
U2 Actel A1020B PQ100C
U8 MASTR
U10-13 CYC199-20VC (128KB RAM)
U14 HSREQ
U19 DECOD
U27 50.000 MHz osc
U30 Actel A1020B-2 PC100C
U33 BUFF
U34 MEMDC
U35 IOD2
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U36 CLOCK
U38 AMD Am79865 PDT
U39 AMD Am79866A PDR
U42 IOCNT
U44 IOD1
U49 COMPT
U51 ARBIT
U41 ES2 SKNETFE 3354 208
U43 AMD Am79C830AKC FORMAC Plus
U47 AMD Am79C864AKC PLC-S
U52 OKI MSM82C54-2 PIT
X 40.0000 MHz osc
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AMD SUPERNET 2 FDDI Chipset
Am79C830A - FORMAC Plus
- (FDDI MAC layer), enhanced Am79C830
Am79C864A - PLC-S -
FDDI Physical Layer Controller with Scrambler
Am79865 - PDT - FDDI
Physical Data Transmitter (transmit clock chip)
Am79866A - PDR - FDDI
Physical Data Receiver (receive clock chip)
LEDs Green and Amber
Green on - Card
initialized, SMT running, connected to network. May be
problems at higher level protocol layers, but card can
communicate with other stations.
Amber on - Card initialized
and SMT running, card NOT connected to network. Possibly
cable troubles or neighboring station is down.
Green and Amber Off - No
board driver has been loaded and SMT not running.
Note: When an
SK-52xx is used in a 16-bit slot, the SK-52xx can only
access the first 16MB of RAM and may not work properly
in systems with more memory.
AdapterID
0083 "SK-NET FDDI-FM/FDDI Network Adapter"
I/O Port Address Location
Each FDDI adapter installed is assigned a
unique address location.
<"0200-03ff">,
0600-07ff, 0a00-0bff, 1200-13ff, 2200-23ff, 4200-43ff,
8200-83ff, fe00-ffff, fa00-fbff, f600-f7ff, ee00-efff,
de00-dfff, be00-bfff, 7e00-7fff
Interrupt Level
This adapter can operate on one of four
interrupt levels: 3, 9, 10, or 11
<"Interrupt
9">, 10, 11, 3
EPROM Address location
There are 7 possible 16K blocks of PC
memory that can be assigned for accessing the EPROM area
of the FDDI Network adapter.
<"EPROM
Disabled">, C4000-C7FFF, C8000-CBFFF,
CC000-CFFFF, D0000-D3FFF, D4000-D7FFF, D8000-DBFFF,
DC000-DFFFF
Remote boot on/off
Enables/disables booting from network.
<"Remote
boot on">, Remote boot off
Bus Master Arbitration Level
Each Busmaster and/or DMA device is
assigned an unique arbitration level in order to
arbitrate conflicting requests.
<"Level
8">, 9, 10, 11, 12, 13, 14
Fairness on/off
Each participant is assigned a priority by
arbitration level .
Fairness on:
Priority defines sequence of granting the bus on
conflicting requests. The latency time on bus requests
is calculable.
Fairness off: Higher priority
gives more time on the bus. The latency time on
bus requests is NOT calculable.
<"Fairness
ON">, Fairness OFF
Streaming data enable/disable
<"Streaming
data disable>, Streaming data enable
Check on forbidden 8-Bit
accesses
Working as busmaster the adapter supports
accesses to 32-Bit and 16-Bit memory slaves. If the
adapter performs an access to an 8-Bit slave an
interrupt may be asserted and reported (check on) or not
(check off).
<"Check
on">, Check off
Check CHCK
Working as busmaster the adapter may check
the control line 'CHCK'. If the check is enabled the
adapter asserts an interrupt and reports this event.
<"Check on">,
Check off
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