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Type personal computer
Release date 1986
Operating system MS-DOS 2.11 / CP/M-86
CPU Intel 8088 @ 4.77 MHz
Memory 256 KiB (+128 KiB VRAM)—640 KiB (max.)

The SVI-838, also known as X'press 16 was the last microcomputer produced by Spectravideo (at Hong Kong). Although it was a PC clone, it had the standard sound and video coprocessors of the MSX2, making it a hybrid system.[1] The sales were unimpressive and it is now considered a collectible.

With a SVI-811 adapter, the machine could run MSX1 programs in cartridge.[1]

Technical specifications

CPU Intel 8088 @ 4.77 MHz
RAM 256 KiB—640 KiB (max.)
VRAM 128 KiB (V9938); 16 KiB (CGA)
Keyboard mechanic, 83 keys, (PC standard)
Display CGA (text: 40×24 or 80×24 rows; graphics: 640×200 pixels, two colours). Yamaha V9938 for MSX2 graphics: 256×212 pixels, 256 colours or 512×212 pixels, 16 colours.
Sound General Instrument AY-3-8910 (PSG), 3 voices, white noise
Ports 2 joystick ports, TV out, video monitor out, parallel port, serial port, sound out (RCA), cartridge slot, SV expansion slot, 1 ISA slot.
Storage one or two 5¼" disk drive (360 KiB) (or a drive and a 20 MiB HD)


Main itens:[2]

  • SVI-109P: Quickshot IX, joyball (IBM compatible)
  • SVI-811: MSX1 Game Adapter (an adapter with a Zilog Z80A UCP and MSX standard joystick ports)
  • SVI-812: Multifunctioncard (384 KiB RAM, RS-232C, RTC)
  • SVI-813: cooler
  • SVI-814P: PAL RF Adapter (to colour TVs or RGB monitor)
  • SVI-815: Monitor Cable (D15 to 21 pins adapter, to RGB monitor)
  • SVI-816: Monitor Cable (D15 to 8 pins adapter, to digital/analog RGB monitor).


  1. 1.0 1.1 (ed.). "SVI 838 X'Press 16". Retrieved 2012-07-08.<templatestyles src="Module:Citation/CS1/styles.css"></templatestyles>
  2. (ed.). "Spectravideo SVI-838". Retrieved 2012-07-08.<templatestyles src="Module:Citation/CS1/styles.css"></templatestyles>

External links