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║ UltraStor Corporation 12F ║
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║ ║
║ J6 J3 J4 J5 J1 ║
║ ┌────────────────────────────────────┐╔═══ ║
║ J1: Floppy (34 pin) │││││ 1::: 1::: 1:::::::: 1::::::::: │║ ║
║ J5: HD Ctl (34 pin) │ JP.. :: :::: : │║ ║
║ J4: HD0 Data (20p) │ JP3.. ┌EPROM┐ 17 10 11 12│║ ║
║ J3: HD1 Data (20p) │ └─────┘ │║ ║
║ │ ┌EPROM┐:JP4 ::: │║ ║
║ J6: HD LED (4 pin) │ └─────┘ JP567 │║ ║
║ │ ...JP20 │║ ║
║ └───────────┐ ┌┐ ┌──┘║ ║
║ └───────┘└────────────┘ ║ ║
║ ║
║ INTERFACE: ISA(AT)->ESDI ║
║ CONTROLS: 2 Floppy Drives (360KB, 720KB, 1.2MB, 1.44MB) ║
║ 2 ESDI Hard Drives ║
║ ║
║ JP3: Factory use only: *Jumpered ║
║ ║
║ JP4: 1,2: Reserved (no pins) ║
║ ║
║ 3,4: Cache control: Disable (jumper 3-4) ║
║ *Enable (no jumper) ║
║ ║
║ JP5: 1,2: Factory config'd: 32KB data buffer ║
║ JP6: 1,2: Factory config'd: 8K/32K data buffer ║
║ JP7: 1,2: Facory use only. ║
║ ║
║ JP10: BIOS Address: Disable *C800 CC00 D000 D400 D800 DC00 Disable ║
║ 1-2: -- -- -- -- ON ON ON ON ║
║ 3-4: -- -- ON ON -- -- ON ON ║
║ 5-6: -- ON -- ON -- ON -- ON ║
║ ║
║ JP11: Floppy Controller: ║
║ ║
║ 1,2: 3rd Floppy: ON: Single-twist cable, set drive as #4 ║
║ *OFF: Double-twist cable, set drive as #2 ║
║ ║
║ 3,4: 2nd Floppy: ON: PS/2 type floppy (3.5" only) ║
║ *OFF: AT type floppy (3.5" or 5.25") ║
║ ║
║ 5,6: 1st Floppy: ON: PS/2 type floppy (3.5" only) ║
║ *OFF: AT type floppy (3.5" or 5.25") ║
║ ║
║ 7,8: Floppy Address: ON: Secondary address (370-377) ║
║ *OFF: Primary address (3F0-3F7) ║
║ ║
║ 9,10: Speed: ON: Dual speeds (300, 360 RPM) ║
║ *OFF: Single speed (300 RPM) ║
║ ║
║ ║
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║ 12F Page 2 ║
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║ 11,12: Precomp: ON: Fixed at 125ns for all data rates. ║
║ *OFF: Varies with data rate... 250KHz:250ns, ║
║ 300KHz:208ns, 500KHz:125ns. ║
║ ║
║ JP12: HD I/O address: ON: Secondary address (170-177) ║
║ *OFF: Primary address (1F0-1F7) ║
║ ║
║ JP17: Floppy Controller: *ON: Enable Floppy support ║
║ OFF: Disable Floppy support ║
║ ║
║ JP20: HD IRQ: 1-2: IRQ15 ║
║ 2-3: IRQ14 ║
║ ║
╟───────────────────────┐ Setup Information ┌───────────────────────────╢
║ ║
║ The 12F has a BIOS setup menu that is accessed using DEBUG at the ║
║ controller's address, with an offset of 5. Thus, if you set the ║
║ address to C800, you'd type DEBUG, then -g=c800:5 to get to the ║
║ setup menu. The latest BIOS as of this writing is #9.00, and this ║
║ guide reflects that. ║
║ ║
╟──────────────────────┐ Setup & Mapping Options ┌──────────────────────╢
║ ║
║ Drive Choices: 1: <1024 cyls, <63 sects, <528MB capacity ║
║ 2: >1024 cyls, <63 sects, <528MB capacity ║
║ 3: >1024 cyls, <63 sects, >528MB & </=1.2GB cap. ║
║ 4: >1024 cyls, >63 sects, >528MB & </=1.2GB cap. ║
║ 5: >1024 cyls, >63 sects, >1.2GB capacity ║
║ ║
║ Operating Systems: DOS 3.3 on, and OS/2 1.1 on: ║
║ ║
║ -1- -2- -3- -4- -5- ║
║ 1 spare/tk: NO NO NO NO NO ║
║ sector map: NO 63 NO 63 63 ║
║ track map: NO NO <1.2GB <1.2GB >1.2GB ║
║ 1024 map: NO NO NO NO NO ║
║ ║
║ NOTE: As of the revision 9 BIOS, the rev.7 manual that I have ║
║ is out of date, so UNIX setup info is up to you. (sorry) ║
║ ║
╟──────────────────────────┐ Additional Info ┌──────────────────────────╢
║ ║
║ When using a tape drive in the "3rd floppy" position, the tape ║
║ software should normally work fine. However, if an actual floppy ║
║ drive is used in that position, additional software will be needed ║
║ to allow DOS to access the device. This software, EXFDRV.SYS, is ║
║ available from UltraStor or your UltraStor Dealer. ║
║ Each drive should be Prep'd with the utility accessed through the ║
║ DOS Debug command. Normally, the User will initiate a Low Level ║
║ Format with the AUTOFORMAT field set to BRIEF. Choosing EXTENDED ║
║ adds considerable time to the format, which is fully automatic. ║
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