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PC-98 DO

From NEC Retro

PC98DO.jpg
PC-98 DO
Manufacturer: NEC
Release Date RRP Code
Template:PC98DO JP ¥298,000298,000

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The PC-98 DO is a computer released as part of the PC-9800 series. It's the first hybrid machine, designed to run both PC-9800 and PC-8800 series software.

Hardware

The PC-98 DO is one of the odder models in the PC-9800 line, it's basically the components of both a PC-9801 VM11 and a PC-8801 MA2 in a single box. The PC-98 DO operates under two modes: a PC-98 mode which uses the hardware components of a VM21, and a PC-88 mode that uses those of the MA2, the 88 mode can not use many of the PC-9800 exclusive hardware components.

Technical specifications

PC-98 DO (98 mode)

  • Main processor: µPD70116 clocked at 8-10MHz
  • Graphics processor: 2x µPD7220 clocked at 2.5MHz
  • Graphics: Graphic Charger (GRCG)
  • RAM: 640KB
  • Text VRAM: 12KB
  • Graphics VRAM: 256KB
  • ROM: 96KB
  • Floppy Disk drive(s): 2× 5¼-inch 2HD (1MB formatted)[fn 1]
  • Sound: Built-in PC-9801-26K components
  • General Expansion Slot(s): 1 slots

PC-98 DO (88 mode)

  • Main processor: μPD70008AC-8 clocked at 8-4MHz
  • RAM: 192KB
  • Text VRAM: 4KB
  • Graphics VRAM: 48KB
  • ROM: 128KB
  • Floppy Disk drive(s): 2× 5¼-inch 2HD (1MB formatted)[fn 2]
  • Sound: FM, SSG

List of games

Gallery

Promotional material

Footnotes

  1. Can also read 2DD disks.
  2. Can also read 2D disks.

References



PC-9800 series hardware
PC-9800 series Desktop hardware
PC-9801 (1982) | PC-9801 F (E) (1983) | M (1984)

V30 Computers: U | VF | VM (21) | UV (21) | CV (1985-1988)
286 Computers: VX | UX | RX | EX | DX | UR | UF (1986-1991)
386 Computers: RA | RS | ES | DA | DS | CS | FS | FX | US (1988-1992)
486+ Computers: FA | BX | BA | BX2 | BS2 | BA2 | BA3 | BX3 | BX4 | BX4-P (1993-1995)
Other: DO | DO+ | GS (1989-1990)

PC-9800 series Laptop hardware
V30 Computers: PC-9801 LV (1988)

286 Computers: PC-9801 LX (1989)
386 Computers: PC-9801 LS (1988) | PC-9801 T (1990-1991)
V50 Computers(9801 Incompatible): PC-98LT (1986) | PC-98HA (1993)
Other: PC-9801 P (1993)

PC-9800 series Notebook hardware
V30 Computers: PC-9801 N (1989)

V30HL(286) Computers: PC-9801 NV (1990-1991) | PC-9801 NL/(R)(A) (1992-1994)
386 Computers: PC-9801 NC (1991) | PC-9801 NS/(E)(T)(L)(R)(A) (1990-1994)
486 Computers: PC-9801 NA/(C) (1992) | PC-9801 NX/C (1993)

PC-9800 series Workstation hardware
286 Computers: PC-98XA (1985) | PC-98XL (1986)

386 Computers: PC-98XL² (1987) | PC-98RL (1990)

PC-9800 series Peripherals
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