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Last modified 2024-02-22

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Spectravideo SV-318

A picture of Spectravideo SV-318 with tape recorder

SPECIFICATIONS

Type:8-bit home computer
CPU:Zilog Z80A @ 3.58 MHz
Operating system:SV Extended Basic by Microsoft
Optional Disk Basic and CP/M
Memory:ROM: 32 KB
RAM: 16 KB (Expandable)
VRAM: 16 KB
Sound:3 channels, 8 octaves + noise
Graphics: Texas Instruments TMS9929A (PAL/SECAM)
Texas Instruments TMS9918A (NTSC)

256*192 pixels, 16 colors and 32 sprites
64*48 pixels, 16 colors and 32 sprites
40*24 text (Optional 80*24)
Storage:Cassette recorder
Optional floppies
Optional hard drive
Input:Integrated "rubber" keyboard with joypad/stick
Connectivity:Audio/Video (External TV-modulator included), cartridge slot,
cassette recorder, 2*joystick, 8-bit data bus for optional Super Expander
Power supply:9 and 16 VAC from eternal PSU
Current drain / power consumption:Max 17 W (Without options)
Dimensions (W*H*D):405*77*215 mm (15.94*3.03*8.46")
Weight:4 Kg (8.82 lb)
Manufactured:Hong Kong (By Bondwell). Designed in the USA, 1983-198x (Discontinued)
Other:New price december 1983 in Sweden: SEK 3490:-
Related documents: BASIC reference manual (3.2 MB)
BASIC reference manual (241 KB, in Swedish)
Service manual, volume 1 (3.2 MB)
Machine code manual (281 KB, in Swedish)
Sound generator: AY-3-8910
Modifications and fixes:
Notable "ham" software:
Reviews:RT/ Elektronikvärlden (Sweden): September 1983 (#9)
Options / Accessories:
SV-101
SV-102
SV-103
SV-104
SV-105
SV-601
SV-602
SV-603
SV-605
SV-605A
SV-605B
SV-701
SV-801
SV-802
SV-803
SV-805
SV-806
SV-807
SV-820
SV-827
SV-901
SV-902
SV-903
SV-904
SV-905
SV-906
SV-912
SV-914
SVI-106
SVI-107
SVI-109
SVI-201
SVI-606
SVI-609
SVI-809
Quickshot joystick
Quickshot II joystick
Quickshot III joystick
Game keypad
Graphic tablet
Super expander with seven slots
Single slot expander
Coleco-Vision game adapter
Super expander with one 5.25" floppy drive and four slots
Super expander with two 5.25" SSDD floppy drives and four slots
Super expander with two 5.25" DSDD floppy drives and four slots
Modem cartridge
Dual disk drive controller cartridge
Centronics interface cartridge
16K RAM cartridge
RS-232C interface
80 column display cartridge
64K RAM cartridge
I/O interface
Internal Datavision split speed (75/1200bd) modem
Dot-matrix printer
External SSDD (160 KB) 5.25" floppy disk drive
Stereo data cassette recorder
Mono data cassette recorder
Internal SSDD (160 KB) 5.25" floppy disk drive, for SV-605
Internal DSDD (320 KB) 5.25" floppy disk drive, for SV-605
External DSDD (320 KB) 5.25" floppy disk drive
4-color graphic printer
Quickshot V joystick
Quickshot VII joycard
Quickshot IX joyball
AC adapter
MSX adapter
Full featured super expander with LAN card, 10 MB HD and more
10 Mbit LAN card with boot ROM

NB! All accessories from 1983 had the SV prefix. In 1984, these were all renamed
to the SVI prefix. All new accessories from 1984 and onwards had the SVI prefix.