4D product information for
BBC B 1770/1772 Disc Interface upgrade (No manuals etc.)
- Product Title: BBC B 1770/1772 Disc Interface upgrade (No manuals etc.)
- Manufacturer/Publisher: Acorn
- Stock Code: ACO-1770
- QuickCode: 14092
- Format: Hardware
- Product Group: 8 bit Computing: Hardware
- Condition: New
- Availability: Usually available from stock
Floppy disc controller upgrade kit for BBC A or B
2x wire links
PCB 4.5cm x 5.5 cm
DIL 28Pin Soldered in
Ti SN74ALS000AN DIL
Motorola SN74LS173AN 9151 DIL
DM74LS02N Wk 9152 DIL
NB. No manual but fitting instructions are available from here.
Normally referred to as a 1770 upgrade kit, the disc control chip is actually a 1772. 1772 has a faster maximum head step rate of 3ms, the 1770 maximum is 6ms. Either chip will work with all but the very very slowest 5.25" drives.
- Price: £44.00 no VAT to pay!
- Free UK delivery on orders of £10 or more! (exceptions apply)
Selling to the Acorn/RISC OS market for over 30 years!
Most orders of less than £10 will incur a £3 admin charge.
Items on special offer are while stocks last and may be time limited.
Items marked S/H are secondhand and have a 3 month warranty
Unless otherwise stated, photos are for illustrative purposes only
UK delivery included on orders of £10 or more (exceptions apply), please ask for overseas delivery cost.
Please check for compatibility. Official orders welcome. E&OE
If you have a sales enquiry please email our sales department
78 Brighton Road, Worthing, West Sussex, BN11 2EN, UK. 01903 523222 (full contact details)
If you have any comments or problems please email firstname.lastname@example.org
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Last updated: Sat, 19 Jan 2019