Sharp X68000

MAIN PROCESSORS

Main CPU (Central Processing Unit) processor:
1987: Hitachi HD68HC000 (based on 16/32-bit Motorola 68000) @ 10 MHz
Performance: 1.8 MIPS (Million Instructions Per Second)
1990: Hitachi HD68HC000 @ 10-15 MHz (1.8-2.7 MIPS)
1991: Motorola 68000 (16/32-bit) @ 16 MHz (2.8 MIPS)
1992: Motorola MC68EC030 (32-bit Motorola 68030) @ 25 MHz (9 MIPS)
1993: Motorola 68030 (32-bit) @ 33 MHz (12 MIPS)
1993: Sharp Jupiter-X 040turbo (based on 32-bit Motorola 68040) @ 25-40 MHz
Performance: 28-44 MIPS, 4-6 MFLOPS (Million Floating-point Operations Per Sec)
1994: Sharp Jupiter-X 060turbo / Venus-X 060 (32-bit Motorola 68060) @ 50-75 MHz
Performance: 76-114 MIPS, 28-42 MFLOPS
Cancelled: IBM PowerPC 601 (32-bit) @ 66 MHz (~100 MIPS, ~66 MFLOPS)
Upgradable CPU:
1992: Motorola 68030 (32-bit) @ 25-50 MHz (9-18 MIPS)
1993: Jupiter-X 040turbo (Motorola 68040) @ 25-40 MHz (28-44 MIPS, 4-6 MFLOPS)
1994: Jupiter-X 060turbo (Motorola 68060) @ 50-80 MHz (76-122 MIPS, 28-44 MFLOPS)
Additional CPU:
1989: Sharp CONCERTO-X68K (16-bit NEC V30 @ 5-66 MHz) (1-35 MIPS)
1992: Sharp VDTK-X68K (32-bit NEC V70 @ 20-50 MHz) (6-15 MIPS)
FPU (Floating-Point Unit) math co-processor:
1990: Banchu Bronta 6 / Banchu Cammago 4007 (based on AMD/Intel)
1991: Sharp CZ-6BP1 / CZ-6BP1A (based on 32-bit Motorola MC 68881) @ 16-25 MHz
Performance: 160-240 kFLOPS (kiloFLOPS / thousand FLOPS)
1992: Motorola MC 68882 (32-bit) @ 25-50 MHz
Performance: 254-528 kFLOPS
MCU (Micro-Controller Unit) co-processor:
1987: Oki MSM80C51 (8-bit, CMOS)
1990: Intel 80C51 (8-bit, CMOS)
System controller: BUDDHA (1987), MESSIAH (1988), SCOTCH (1989), DOSA (1991)

DISPLAY / GRAPHICS

GPU (Graphics Processing Unit) processors:
Sprite controller: CYNTHIA Jr (1987), CYNTHIA (1988)
CRT controller: VINAS 1 + 2 (1987), VICON (1988)
Video controller: VSOP (1987), VIPS (1988)
Video data selector: RESERVE (1987), CATHY (1988)
Resolution:
1987: 256x240, 256x256, 512x240, 512x256, 512x512, 640x480, 768x512, 1024x1024
1994: 256x240, 256x256, 512x240, 512x256, 512x512, 640x480, 768x512, 1024x768, 1024x1024, 1280x1024
Color palette:
1987: 16-bit (65,536 colors)
1994: 24-bit (16.78 million colors) with TS-6BGA graphics accelerator
Colors on screen:
1987: 4-bit (16 colors @ 1024x1024) to 8-bit (256 colors @ 512x512)
1988:
4-bit (16 colors @ 1024x1024)
9-bit (512 colors @ 512x512, 2 planes)
16-bit (65,536 colors @ 512x512, 1 plane)
1994: (With TS-6BGA graphics accelerator)
8-bit (256 colors @ 1280x1024) to 24-bit (16.78 million colors @ 1024x768)
Sprites: 128 hardware sprites on screen @ 16x16 pixels each
Upgradable: Up to 1024 sprites
Planes: 4 (@1024x1024) to 16 (@ 512x512)
Possible AV outputs: VGA (Monitor Output) Component (RGB)
Graphics hardware: Hardware scrolling, priority control, super-impose
Graphics accelerator cards:
Sharp CZ-6BP1 & CZ-6BP1A FPU accelerators (based on 32-bit Motorola MC 68881)
Sharp Jupiter-X 040turbo & 060turbo CPU accelerators (32-bit Motorola 68040 & 68060)
NEC V30 & NEC V70 CPU accelerator boards
Motorola MC 68882 (32-bit) FPU accelerator
1994: Tsukumo Electric TS-6BGA graphics accelerator (Cirrus Logic GD-5434 GPU)
Blitter support, 2 MB VRAM, 16.78 million colors, 1280x1024 resolution
Display monitor: 15" to 21" CRT monitor

SOUND

FM (Frequency Modulation) synthesis sound ship: Yamaha YM2151 @ 3.5 MHz
Features: Stereo, 8 channels, 4 operators, 8 double-octave chords, noise generator
DAC (Digital-to-Analog Converter) sound chip: Yamaha YM3012
PCM (Pulse-Code Modulation) sound chip: Oki MSM6258V @ 15.6 KHz
Features: 4-bit mono ADPCM (Adaptive Differential PCM), 1 voice
Sampling rate: 22 KHz
MML (Music Macro Language) format: MDX
PCM sound expansion:
PCM-8 Mercury Unit (8 channel PCM)
TS-6BGA PCM sound board accelerator (stereo CD-quality PCM, 48 KHz sampling rate)
MIDI modules: Roland MT-32, Roland Sound Canvas (SC-55, SC-155, SC-88VL, SC-88 Pro), Yamaha MU series
MIDI cards: Sharp CZ-6BM1, System Sacom SX-68M / SX-68M-2, Creative Labs

MEMORY

Memory controller chips:
Memory controller: ET (1987), OHM (1988), OHM2 (1989), McCOY (1989)
DMA (Direct Memory Access) controller: Hitachi HD63450
Main RAM (Random Access Memory) memory:
Default: 1 MB (1987), 2 MB (1989), 4 MB (1992), 8 MB (1994)
Upgradable: 12-16 MB
Video RAM (VRAM) memory:
1987: 1072 KB
Graphics (bitmapped) memory: 512 KB
Text (bitmapped) memory: 512 KB
Sprite memory: 32 KB
Static RAM (SRAM) memory: 16 KB
1994: 3120 KB (TS-6BGA graphics accelerator)
Static RAM (SRAM) memory: 16 KB (1987), 128 KB (1992)
ROM (Read-Only Memory) memory: 1 MB (256 KB BIOS, 768 KB character generator)
Sound memory: 16 KB
Storage: Floppy disk (1.2 MB), hard disk drive
Hard disk drive: 10 MB (1987), 20 MB (1988), 40 MB (1989), 81 MB (1990), 324-500 MB (1994), 500 MB (1995), 1-2 GB (1997)

I/O (INPUT/OUTPUT) PORTS

I/O controller chip: SICILIAN (1987), IOSC (1988), IOSC-2 (1989), PEDEC (1990)
Expansion slots: 2 (1987), 4 (1989)
Keyboard input
Two joystick inputs (MSX joystick, SNES / Mega Drive gamepads, Capcom CPS arcade stick)
TV tuner control
NTSC video image decoder
AUX stereo inputs/outputs
Two floppy disk drives (5.25 drives or 3.5 drives depending on the model)
Media disk drive
3D goggles port
Other options: Mouse, trackball, online modem, LAN card, SCSI card, hard disk drive

OTHER CHIPS

Real-time clock: Ricoh RP5C15
FDD (Floppy Disk Drive) controller: NEC 72065
HDD (Hard Disk Drive) controller: Fujitsu MB89352A SCSI HDD Controller
Serial port controller: Zilog Z85C30 dual-channel serial controller
Printer port controller: NEC 8255
MFP (Multi-Function Peripheral) controller: Motorola 68901

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