howell@ecsvax.UUCP (Doc A. Howell) (03/07/89)
Can anyone tell me the switch settings etc... to upgrade a 6300 from 256 to 640K? Thanks. Doc Howell UNCW
mhampson@wpi.wpi.edu (Mark A. Hampson) (03/08/89)
The following are the switch settings fopr an AT&T 6300 with ROM version 1.43. The Memory switches that you have asked for are not changed from 1.21 to 1.43: On DIP Switch 0 at 7T: 1-3 system memory 4 64Kx1 or 256Kx1 DRAMS on motherboard 5 numeric Data processor, Intel 8087 6 Serial Comm controller 8250/Z8530 7 Not used 8 Bank 1 occupied/not occupied System Location sw1 sw2 sw3 sw4 sw8 640K 256K Motherboard + 384K Expansion Borad off on off on off 640K 512K Motherboard Bank 0 + 128K Motherboard Bank 1 off on on off off 640K 128K Motherboard Bank 0 + 512K Motherboard Bank 1 off on off off off Hope this helps: -- Mark A. Hampson WPI Mechanical Engineering Internet: mhampson@wpi.wpi.edu Worcester, MA 01609 USA (508) 831-5498 70% of all code is idiot proofing