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Ordering details

Payment: Anyone with a credit or debit card can pay instantly via PayPal by sending the total amount to "sales@sprow.co.uk".
Payment by cheque, postal order, or inter bank transfer is also possible - for security these details are not publicly listed, please contact sales@sprow.co.uk.
Postage in the UK: All prices INCLUDE postage for UK destinations.
Airmail postage, other EU destinations: Add 15% to the total order value for airmail.
An optional signed-for-on-delivery service with tracking number costs a fixed £5.00 extra. Parcels over 1kg in weight will be charged at current Royal Mail rates.
Airmail postage, outside the EU: Add 20% to the total order value for airmail.
An optional signed-for-on-delivery service with tracking number costs a fixed £5.00 extra. Parcels over 1kg in weight will be charged at current Royal Mail rates.

Hardware

EPROM programming service

  • Supports all 28 pin devices
  • Note: When programming a ROM you must be the copyright holder of the image to be programmed, for example the original author. Alternatively, when a replacement ROM is sought because the original is damaged (broken leg etc...), the broken ROM must be included for disposal with the order, so that no new copies are being created.
  • Supply & program new ROM [8kB] £5.00 [16kB] £5.50 [32kB] £6.00 [64kB] £6.50
  • Supply blank ROM only [8kB] £4.00 [16kB] £4.50 [32kB] £5.00 [64kB] £5.50
  • Erase & reprogram existing ROM plus return postage [Any size] £3.00

8 bit Acorn spare parts

6850 ACIA (serial port controller chip). £4.00
SAA5050 (teletext lookup chip). £5.00
TMS5220/TMS6100 emulator (speech upgrade chips). £34.50
65C102 (upgraded 6502 3MHz processor, CMOS). £7.00
65SC12 (extended instruction set 6502 prototype 3MHz processor in plastic package). £7.00
65SC12 (extended instruction set 6502 2MHz processor in ceramic package). £7.00
6512A (extended instruction set 6502 2MHz processor, used in B+). £6.50
6512B (extended instruction set 6502 3MHz processor). £8.00
6502 (NMOS 1MHz processor). £5.00
6502A (NMOS 2MHz processor). £6.00
6522 1MHz VIA (versatile interface adapter). £6.20
6522A 2MHz VIA (versatile interface adapter). £5.20
8271 disc upgrade kit, includes supporting logic gates, DNFS ROM, and fitting instructions. £35.00
76489 (4 channel sound generator). £3.00
74ALS169 (programmable counter, used in the Master Compact RS423 interface). £2.00
74HCT139 (dual 2-to-4 decoder). £1.00
74HCT21 (dual 4 input AND). £1.00
74HC595 (8 bit serial in parallel out shift register). £1.00
MT8843 (tone demodulator, used in the caller id display). £8.30
BU208A transistor replacement for Q2 in BBC A/B/B+ power supply. £4.70
Capacitor kit to refurbish C1/C2/C9 in BBC A/B/B+ power supply (includes 220µF + 100nF + 10nF). £2.90
BBC Master 3AA battery pack ready assembled, batteries not included. £4.00
BBC micro 6 pin auxilliary power connector (as used on the power supply side). Female socket housing, plus 5x female crimps. Black colour. £3.85
BBC micro 6 pin auxilliary power connector (as used on the power supply side). Female socket housing, plus 5x female crimps. Beige (nylon) colour. £3.85
BBC micro 6 pin auxilliary power connector (as used on the power supply side). Female socket housing, plus 5x female crimps. Clay red colour. £3.85

32 bit Acorn spare parts

SMSC 37C665GT (super IO chip, used in the Risc PC and A7000 family of computers). £5.00
Acorn IOMD21CW (system IO and memory device from Risc PC family of computers). £30.00
Arm VIDC20r1 (video and sound controller from Risc PC family of computers). £30.00
12.288MHz 8 pin DIL oscillator module. Sealed metal can, 5V, 100ppm (audio clock in Archimedes). £1.90
24.000MHz 8 pin DIL oscillator module. Sealed metal can, 5V, 100ppm (superio clock in Archimedes). £1.90
32.000MHz 8 pin DIL oscillator module. Sealed metal can, 5V, 100ppm. £1.90
Double width back panel for Archimedes podule bay. £4.00

8 bit Acorn hardware

ROM/RAM cartridges for Master series and Electron. Plug in expansion cartridges with space for two ROMs, or an SRAM device, or combinations therein. From £18.20
3.5" floppy drive for use with the BBC micro series. Suits machines fitted with 8271 or 1770 controller chips, includes power and ribbon cable. From £23.40
Second serial port interface for BBC micro series. Standard PC serial port or 5 pin domino DIN connector, with programmable transmit and receive rates via supporting free software. From £24.00
BBC to PC serial crossover cable. Ready made 9 pin D sub female to 5 pin domino DIN male, 2m approx. £7.80

Non computer related

Cooling fan. 60mm diameter fan, whisper quiet, 12v DC to cool the innards of a computer. £3.50
UV tubes, example use - to inspect bank note water marks. 6" length, 4W. £4.80
Ceramic 13A one inch domestic fuses (to BS1362). Bag of 10. £1.20
30A 250v spare mains junction boxes for socket ring mains. £2.60
Tektronix TDS3000/TDS3000B option module cover panel. Part number 200-441-500. Brand new spare parts to replace broken or missing parts in TDS3014;TDS3012;TDS3034 and similar models of oscilloscope. £7.50

Software

8 bit Acorn

View A2.1, the definitive wordprocessor from Acornsoft for the BBC micro. Comes with combined 120 page "View" user guide (1986) and ROM fitting leaflet. ROM, leaflet and manual set £4.00
Spare non windowed Acorn BASIC I, Acorn BBC B OS 1.20, Acornsoft View A1.4, Acorn MOS 3.20. Suitable for upgrades, spares, or to rid your machine of pirated EPROMs. £4.00

Books and media

Computing

Beginning BASIC (Paul M. Chirlian). Not specific to BBC BASIC. 1978. 220 pages. £3.20

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