System
Resource Card System Resource Card FRU 15F8577
Tony I sez: Support for the PS/2 XGA Adapter/A requires that the
System Resource Card Graphics Support Upgrade (#6886) be
installed on earlier models of the GEARBOX Model 800. Erase Power On Password The procedure is to place a jumper on the E3 jumper points (located below C37, 1 farad capacitor) on the system resource card for 20 minutes.
System Resource Card Status Lights RUN/CHECK Green means SRC is OK Red means system detects an error on the SRC Off during system reset. BUT if it remains off after system reset is complete, an error may have occurred between the SRC and other cards in the unit. SPEAKER
Hexadecimal Display. Three Port Cable Assembly (System Resource Breakout Cable) ![]() Connection from System Resource Card in the system to various other standard connectors Serial (RS-232/422), parallel, and System Digital Output (DO) devices. The 3' breakout cable attaches to the 78 pin D shell connector on the bottom of the system resource card. There are three D shell connectors on the breakout box (similar to the Multiport box). Data Ouput Points A 15 pin D-Sub on the breakout cable has three optically isolated Data Output Points: DO1 Catastrophic Check Setup and Service Device (#6230): ![]() A stand-alone 1.44MB, 3.5" diskette drive in an
enclosure, used for initial system set-up, loading diags
and recording test results on a Gearbox without a DASD
module. It plugs into a DB26 port on the System Resource
Card. This port must have the power and signal leads in
it.
Food for Thought - N82077AA
Pinout
Keyswitch LOCK SVAI runs, system starts normally. KB is locked. UNLOCK SVAI runs, KB can be used MAINT MODE When
powered off, system bypasses battery backup function.
Use only during diagnostic procedures. RESET Turn to Reset then back to any other position. C&K Components, Inc. Y100AB2C801NQE Current Products HERE I am confused, but all the specs are available as "Build To Order" Note: The Silver contacts are rated for 4 AMPS @ 125 V AC or 28 V DC; 2 AMPS @ 250 AC V AC (UL/CSA). Copper, silver plated (std. with all termination options). Y100AB - Single Pole (SP), 45°, keypull pos. 1, 2, 3 & 4 2- Two nickel plated brass keys (4 &5 tumbler) C - 4 Tumbler lock with detent 8 - Gloss black facing 01 - Solder lug with notch N - With nut Q - Silver contacts E - Epoxy seal Build-A-Switch To order, simply select desired option from each category and place in the appropriate box. Available options are shown and described on pages L–4 through L–10. For additional options not shown in catalog, consult Customer Service Center.
Keyswitch Connection Combinations Unlock 1,2 Maint 2,3 Reset 3,4
AdapterID 8EF7 "System Resource" Diskette Primary/Alternate
Address BIOS Ext. ROM Segment
xxxx-xxxxx BIOS Ext. ROM Segment 0D0000H
- 0D1FFFH BIOS Ext. ROM Segment
0D2000-0D3FFF BIOS Ext. ROM Segment
0D4000-0D5FFF BIOS Ext. ROM Segment
0D6000-0D7FFF BIOS Ext. ROM Segment
0D8000-0DBFFF BIOS Ext. ROM Segment
0DC000-0DFFFF |