D:\EMULATE\MAME\Clipper>mame64 ip2000 -hard ip2000.chd -ui_active -serial2 null_modem -bitb1 socket.127.0.0.1:2020
Error instantiating layout view Graphics 1: invalid screen index 1
Error instantiating layout view Terminal: invalid screen index 2
Error instantiating layout view Graphics 1: invalid screen index 1
Error instantiating layout view Terminal: invalid screen index 2

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Exception at EIP=000000000515e95d (gt_device_base::vram_r(unsigned int, bool) const+0x008d): ACCESS VIOLATION
While attempting to read memory at 0000000022e0dacc
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RAX=0000000012496b50 RBX=0000000000000000 RCX=000000000d6b46b0 RDX=00000000000416a3
RSI=00000000127f2a50 RDI=00000000127f2ee8 RBP=000000000f7292e0 RSP=000000000f729260
 R8=0000000000000001  R9=0000000007f4f960 R10=0000013d7efcb700 R11=0000000000000000
R12=0000000007f4f960 R13=0000000022d08040 R14=00000000127f2a50 R15=0000000000000000
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Stack crawl:
  000000000f729240: 000000000515e95d (gt_device_base::vram_r(unsigned int, bool) const+0x008d)
  000000000f729360: 0000000005160703 (gt_device_base::blit(void*, int)+0x0123)
  000000000f729410: 0000000005541a5a (device_scheduler::timeslice()+0x074a)
  000000000f7294e0: 00000000054febc8 (running_machine::run(bool)+0x0278)
  000000000f72f1c0: 00000000039d9b58 (mame_machine_manager::execute()+0x01d8)
  000000000f72f430: 0000000003a48a06 (cli_frontend::start_execution(mame_machine_manager*, std::vector<std::__cxx11::basic_string<char, std::char_traits<char>, std::allocator<char> >, std::allocator<std::__cxx11::basic_string<char, std::char_traits<char>, std::allocator<char> > > > const&)+0x0286)
  000000000f72f600: 0000000003a48d55 (cli_frontend::execute(std::vector<std::__cxx11::basic_string<char, std::char_traits<char>, std::allocator<char> >, std::allocator<std::__cxx11::basic_string<char, std::char_traits<char>, std::allocator<char> > > >&)+0x0045)
  000000000f72f660: 00000000039d7c9a (emulator_info::start_frontend(emu_options&, osd_interface&, std::vector<std::__cxx11::basic_string<char, std::char_traits<char>, std::allocator<char> >, std::allocator<std::__cxx11::basic_string<char, std::char_traits<char>, std::allocator<char> > > >&)+0x002a)
  000000000f72fe20: 0000000009795c3d (main+0x017d)
  000000000f72fef0: 00000000004013a5 (__tmainCRTStartup+0x0225)
  000000000f72ff20: 000000000040150b (mainCRTStartup+0x001b)
  000000000f72ff50: 00007ffdfa937974 (BaseThreadInitThunk+0x0014)
  000000000f72ffd0: 00007ffdfb5da271 (RtlUserThreadStart+0x0021)

D:\EMULATE\MAME\Clipper>