This is the board that I assembled. I also have a couple of the boards that Gary had made (with JP10) but I haven't assembled them yet.
Ed <https://lh6.googleusercontent.com/-9Mxy04RCORU/U-ZqTQt-u9I/AAAAAAAAAFk/daEJBGLom0k/s1600/20140809_133039.jpg> On Saturday, August 9, 2014 1:24:53 PM UTC-5, monahanz wrote: > > Gary can you e-mail me your picture of the “V2a” board. I seem to > remember that was a second batch of the V2 board’s where we corrected the > need for the 1K pull-up on the back, right? I don’t have that one > > John > > > > > > *From:* [email protected] <javascript:> [mailto: > [email protected] <javascript:>] *On Behalf Of *Gary Kaufman > *Sent:* Saturday, August 9, 2014 11:14 AM > *To:* [email protected] <javascript:> > *Subject:* Re: [N8VEM-S100:4872] 2 different "Z80 CPU BOARD VERSION 02" > pcbs out there > > > > Ed - > > The batch I had made up had the JP10 and K3 jumpers. The jumper block > diagram on John's site is the "earlier" version 02 board. JP10 (not > pictured) is above the LS04 just to the right of the top of the voltage > regulator. K3 is to the right of JP8. > > My jumper setting notes: > > (The * settings are the ones I used) > > I can email you a picture of the completed board if it would help. > > - Gary > > JP1 GND to OV_A (S100 pin 20) (normally open) > JP2 GND to OV_B (S100 pin 53) (normally open) > JP3 GND to OV_C (S100 pin 70) (normally open) > > > JP4 *Reset to POC > JP5 Reset from power > JP6 *Reset to slave_clr > JP7 * Reset from push button > > JP8 EPROM/EEPROM Pin 23 / A11 > 1-2 A11 *1-2 for 28C64 or 27C64 > 2-3 VCC > > JP9 EPROM/EEPROM Pin 26 > 1-2 VCC *open for 28C64 or 27C64 > > JP10 Onboard Rom > *Jumpered Enabled > Open Disabled > > K1 1-2 PWRFAIL to NMI If NMI software is not implemented do > not connect > 2-3 NMI to NMI > > K2 1-2 older pre-IEEE696 boards > *2-3 clock disable of control lines > > K3 CPU Clock Source > *1-2 Oscillator > 2-3 external CPU Clock (NDEF3) > > P2 Memory window configuration port > 0xH to FxH > A4 1-2 > A5 3-4 > A6 *5-6 Output Ports D2H, D3H > A7 7-8 > > P3 PROM Boot Address > A12 > A13 > A14 > A15 > *no jumpers F000H > > P4 1-2 S-100 2Mhz clock signal to bus when z80 active > 3-4 S-100 MWRT to bus when z80 active > > P8/P9/P10 Monitor Jump Location > P8 P9 P10 > 1 U15 GND A15 > 2 U15 GND A14 > 3 U15 GND A15 > 4 > *F000H P8 1,2,3,4 to P10 1,2,3,4 > > > P36 Allows wait states > 1-2 Every sINTA > *3-4 M1 memory bus cycles > 5-6 All memory cycles > > P37 *1-2 Partial latch mode > 3-4 Full latch mode > > P39 A12 Address Line to U13 (EPROM/EEPROM) > > 1-2 Tie to VCC > 3-4 Tie to GND > 5-6 Tie to A12 > *7-8 Control by bit1 of port D3H > > Output 00H to port D3H to select lower 4K of ROM > Output 01H to port D3H to totally remove ROM from the Z80's address > space > Output 02H to port D3H to select upper 4K of ROM > > SW2 ME Wait states for P36 option > * switch 8 closed (right most) for 1 wait state, rest open > > SW3 I/O Wait states > * switch 7,8 closed (right most 2) for 2 wait state, rest open > > SW4 ROM Wait states for onboard EEPROM > * switch 8 closed (right most) for 1 wait state, rest open > > > > On 8/9/2014 1:54 PM, Edward Snider wrote: > > Hello all, > > > > I am in the process of trying to get my Z80 cpu card running, and I've > noticed that > > there are definitely 2 different pcbs marked "Z80 CPU BOARD VERSION 02", > > I have them both in front of me. > > > > The one I built does not have a JP10 or K3 jumpers. Is this actually a V1 > board then? > > I'm trying to figure out which schematics I should be looking at. > > > > Anyone know of any other differences, jumper settings, issues, etc, I > should be aware of > > with this board? So far I'm just trying to get the cpu into halt with an > eprom full of 76's > > and not having any luck. Probably don't understand the jumper settings > well enough. > > > > > > Thanks, > > > > Ed > > -- > You received this message because you are subscribed to the Google Groups > "N8VEM-S100" group. > To unsubscribe from this group and stop receiving emails from it, send an > email to [email protected] <javascript:>. > For more options, visit https://groups.google.com/d/optout. > > > > -- > You received this message because you are subscribed to the Google Groups > "N8VEM-S100" group. > To unsubscribe from this group and stop receiving emails from it, send an > email to [email protected] <javascript:>. > For more options, visit https://groups.google.com/d/optout. > -- You received this message because you are subscribed to the Google Groups "N8VEM-S100" group. To unsubscribe from this group and stop receiving emails from it, send an email to [email protected]. For more options, visit https://groups.google.com/d/optout.
