Thå  followinç  ió á lisô oæ changeó tï thå  standarä  productioî S-100 boards for the Trinity 10 Mhz version: BOARD CHANGES DJ/DMA a) Change interrupt jumper from VI1 to VI5 Jumper P3: 1 to 2 Jumper J2: A to B b) Lift pin 6 of 6C and pint 12 of 9C. Connect these 2 lifted pins together on the component side. c) On solder side, jumper 5D pin 8 to 5A pin 1. d) Make sure I.C. at 6D is a 74LS04 and NOT a 74LS14. 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 1-8 ON 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 - B TO C (IEEE 696 COMPATIBLE PDBIN) J17 - B TO C (2732 TYPE EPROMS) J18 - REMOVED (WORD INTA) * J9 J10 A A B--------B C C Š D D E Change PAL 14L4 at location U31 to a Morrow boot Pal. Insert EPROM marked even into U36 socket. (line up pin 12 of prom with socket pin 14) Insert EPROM marked odd into U37 socket. (line up pin 12 of prom with socket pin 14) Lift pin U19 pin 3 and tie to +5V. SIO´  - Lifô  anä jumpeò piî ± oæ 74LS11² (U29©  anä pin 9 of U16 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 5) On solder side of board cut trace leading to pin 9 of U60. 6) On component side of board, connect U60 pin 9 to U58 pin 4. Š WB14 - REMOVE PARTS qty location part 14 pin sockets 16 pin sockets 8 pin sockets 28 pin sockets 40 pin sockets 1 1D 7812 regulator 1 1E 7912 regualtor 4 1E,1D 1 uf Tant caps 3 4D,5D,6D 8250 Uarts 3 1D,2D,3D 1489 receivers 4 1E,2E,3EA,3EB 1458 op amps ³  P1,P2,P³  DB-25Ó pã mounô connector 1 6A 74LS74 1 10D 74LS373 latch 1 11D 81LS95 buffer 1 9B 74LS244 1 5A 18.432 Mhz XTAL ±  4Á  5· pÆ cað  silveò mica 1 2A 112 pF cap silver mica 1 3A 2 uh inductor 1 7A 3.3 ohm resistor 1 6A 390 ohm resistor 1 3C 74LS90 counter 1 6B 74LS174 latch 1 1D 1.5 K resistor 1 1D 3.3 K resistor 1 ECN patch 1N 914 diode 1 11E 2N3904 transistor 3 4B 330 ohm 2 4B 3.3K 2 4B 220 ohm 1 6D 3.3K 1 11E 4.7K 1 9E 4.7K 1 10C 3.3K 1 10B 3.3K 1 7A 4.7K 1 9C Header J3 1 7A Header J1 3904 transistor in area 11E MODIFICATIONS: Š 1) Cut trace leading to 11C pins 1 and 2. 2) Jumper pin 1 of 11C to 13B pin 25. 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 - VI6 B - VI7 à- jumper post whicè leads to bus pin 73 6) Jumper J3 pad leading to 11C pin 4 to VI3 pad 7©  Cuô  tracå oî componenô sidå iî areá  11à goinç  betweeî buó piî 9¹ anä á  18°  ohí SIP pullup. 8) Jumper J2 B-C 9©  Lifô piî 1± oæ 1±Ã anä jumpeò tï piî  1´ oæ   11C®   (optionallù   cuô  tracå   oî component side of board. 10) Connect bus pin 75 at front to spare 180 ohm terminator sip resistor. 11© Cuô tracå oî component sidå leadinç tï piî ± oæ I.C®  4à anä jumpeò 4à piî ± tï 4à piî 7® 12) On solder side cut trace leading to pin 9 of 9D. 13) In area 4B remove resistors as follows: -[330]- remove -[330]- remove -[330]- subsitute either a 620 or 680 ohm resistor -[3.3k]- remove -[3.3K]- remove -[220]- remove -[220]- remove Add 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 Š 1 - Trinity systems diskettes 1 - Centronics adaptor kit 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 revised: 29-jun-1984 bjg revised: 1-july-1984 bjg revised: 5-july-1984 bjg revised: 16-july-1984 bjg revised: 17-july-1984 bjg revised: 11-sept-1984 mfp