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)
Over 6400 products available on line
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
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Last updated: Tue, 16 Jul 2019