Thå  followinç  ió á lisô oæ changeó tï thå  standarä  productioî �
S-100 boards for the Trinity 10 Mhz version:


BOARD          CHANGES

DJ/DMA         Change interrupt jumper from VI1 to VI5
                    Jumper J3: 1 to 2
                    Jumper J2: A to B


HDC/DMA        Change proms at location 14D and 15D from:
               14D-E and 15D-E to 14D-G and 15D-G.

               Change interrupt jumper from VI0 to VI4

CPU68K         Configure as follows:
               
               1) SWITCH SW1       Paddle 1,2,4,5,6,7  ON
                                          3,8          OFF

               2) JUMPERS
               
                    J1 - B to C  (10 MHZ CPU CLOCK, BUS PHI)
                    J2 - INSTALLED (2 MHZ BUS CLOCK)
                    J3 - REMOVED (2 MHZ BUS CLOCK)
                    J4 - INSTALLED (POJ)
                    J5 - REMOVED (MMU)
                    J6 - REMOVED (MMU)
                    J7 - REMOVED (MMU)
                    J8 - REMOVED (MMU)
                   *J9 - B TO J10 - B (4 ROÍ WAIÔ STATES)
                  *J10 - B TO J9  - B (4 ROM WAIT STATES)
                   J11 - OBSOLETE
                   J12 - NONE INSTALLED (VI LINES)
                   J13 - C TO D (VI0 SELECT)
                   J14 - INSTALLED (MWRITE)
                   J15 - REMOVED (PHI ENABLED)
                   J16 - A TO B (IEEE 696 COMPATIBLE PDBIN) 
                   J17 - B TO C (2732 TYPE EPROMS)
                   J18 - REMOVED (WORD INTA)


                    * J9      J10

                      A        A 
                      B--------B   
                      C        C
                      D        D
                      E                    


.pa
ŠSIO4      -         Add piggyback 74LS00 for pSTVAL generation:
                      1) Pin 8 connects to lifted pin 12 of U43
                      2) Pin 9 connects to U9 pin 10
                      3) Pin 10 connects to U30 pin 5

                    Lift and jumper pin 1 of 74LS112 (U29) to 
                    bus 02 line (pin 24).

                    CONFIGURE AS FOLLOWS:

                    SWITCH 1     paddles  1,4,5,6,8 off
                                 paddles  2,3,7 on
                                 (I/O address = 20H)
                                 (DMA priority = 9)

                    INTERRUPT JUMPER:   (VI2 = FIFO ready / DMA done)

                    o    o    o    o    o    o    o    o    o
                                                            |                                                  
                    o    o    o    o    o    o    o    o    o
                              |
                    o    o    o    o    o    o    o    o    o
                    0    1    2    3    4    5    6    7    S
                              


MM256K    -         Needs one wait state for 10 MHZ operation:

                    ON SOLDER SIDE:

                    1© Cuô tracå betweeî U6³  pinó 9 and 10

                    2) Jumper U63 pin 9 to U49 pin 3

                    3) Jumper U63 pin 10 to U46 pin 8

                    4) Jumper U63 pin 8 and pin 11



.pa
ŠWB14      -         REMOVE PARTS

                    qty       location       part

                     1         1D             7812 regulator
                     1         1E             7912 regualtor
                     4         1E,1D          1 uf Tant caps
                     3         4D,5D,6D       8250 Uarts
                     3         4D,5D,6D       40 pin sockets
                     3         1D,2D,3D       1489 receivers
                     3         1D,2D,3D       14 pin sockets
                     4         1E,2E,3EA,3EB  1458 op amps
                     2         1E,2E          8 pin sockets
                     1         3E             14 pin socket
                     ³         P1,P2,P³       DB-25Ó pã mounô connector
                     1         6A             74LS74
                     1         6A             14 pin socket
                     1         10D            74LS373 latch
                     1         10D            20 pin socket
                     1         11D            81LS95 buffer
                     1         11D            20 pin socket
                     1          9B            74LS244
                     1          9B            20 pin socket
                     1          5A            18.432 Mhz XTAL
                     ±          5Á            5· pÆ cað  silveò mica
                     1          5A            100 pF cap silver mica
                     1          5A            2 uh inductor
                     1          5A            33 ohm resistor
                     1          5A            390 ohm resistor
                     1          3C            74LS90 counter
                     1          3C            14 pin socket
                     1          6B            74LS174 latch
                     1          6B            16 pin socket                    
                     1          1D            1.5 K resistor
                     1          1D            3.3 K resistor               
                     1          ECN patch     1N 914 diode

                    MODIFICATIONS:

                    1) Cut trace leading to 11C pins 1 and 2.
                    2) Jumper pin 1 of 11C to 4C pin 9.
                    3) Jumper pin 2 of 11C to VI0 pad.
                    4) On component side cut trace under J3.
                    5) in VI jumper area, cut traces: A - VI0
                                                      B - VI1
                                                      C - VI2
                    5) Jumper:
                                                      A - VI7
                                                      B - bus pin 73
                                                      C - bus pin 65
                    6) Jumper J3 pad leading to 11C pin 4 to VI6 pad


.pa
ŠAdd to D220 BOM

          1 -  RS-232 flat cable ass'y
          1 -  CPU68K ass'y
          1 -  SIO4/DMA ass'y
          1 -  UNISOFT system V manual set
          1 -  Trinity technical manual
          1 -  Trinity systems diskettes          

Delete from BOM:

          1    -    MPZ80
          1    -    MULTI/O slave
          1    -    MOS manual
          1    -    Decision 1 tech manual
          1    -    set of MOS diskettes 
          1    -    set CP/M diskettes
          1    -    set applications software
          1    -    set  "             "      manuals