From: Gerhard Janz Newsgroups: comp.sys.apollo Subject: Jumper-Table for Apollo Cartridge-Controller Date: 3 Mar 1995 17:09:39 GMT Organization: Hewlett Packard Hi all, for all of You who needs this: Jumper Table (from Apollo Servicing Guide): Descr. Jumper Location Option Tape Format CC IN = QIC-24 OUT = QIC-11 Tape Speed DD OUT (90IPS) Number of Tracks Y IN = 9 Tracks OUT = 4 Tracks Power-On Confidence KK IN = Test at Power-On or Reset Test OUT = Test disabled I/O Register Base A3...A9 IN = Address Bit TRUE Address OUT = Address Bit False NOTE: Base Address is selectable fro m 0 to 3F8 (hex) on 8-byte boundaries DMA Priority Level DRQ1, DACK1 Both IN = Priority Level 1 (Select One Pair) DRQ2, DACK2 Both IN = Priority Level 2 DRQ3, DACK3 Both IN = Priority Level 3 Interrupt Priority IRQ2...7 IN = Priority Level 2...7 Loop on Error FF OUT = (for Vendor Use Only) Maintenance C OUT = (for Vendor Use Only) Test Configuration HH OUT = (for Vendor Use Only) No Description NN OUT = (for Vendor Use Only) Ready Interrupt RR OUT = READY (and DONE) enabled IN = READY disabled when DONE INT. enabled or READY enabled when DONE INT. disabled