Differences
This shows you the differences between two versions of the page.
| Both sides previous revision Previous revision Next revision | Previous revision | ||
| blog:286_pc [2021/05/12 15:10] – [So What Did I End Up With?] john | blog:286_pc [2021/06/15 10:29] (current) – [So What Did I End Up With?] john | ||
|---|---|---|---|
| Line 385: | Line 385: | ||
| ===== So What Did I End Up With? ===== | ===== So What Did I End Up With? ===== | ||
| - | Well, even though the VLSI VL82C201 is the overall performance winner, it unfortunately does not offer enough ISA expansion slots for my needs; I want: | + | {{:blog: |
| - | | + | * VLSI VL82C200 Motherboard |
| - | * 16bit: | + | * 25MHz Harris 286 CPU (currently clocked at 20MHz) |
| - | * 16bit: ET4000AX VGA | + | * Intel 287XL FPU |
| - | * 16bit: 3C509 Ethernet/IDE BIOS | + | * 4MB 60ns RAM |
| - | * 16bit: | + | * Generic |
| - | * 8bit: PS/2 mouse interface | + | * Tseng Labs ET4000AX VGA |
| - | * 8bit: Roland MPU MIDI | + | * Soundblaster 16 CT2770 |
| - | + | | |
| - | Sadly the VLSI board only has 4x 16bit and 2x 8bit slots, so it means giving up one of the 16bit cards. The VLSI board does not have an EMS driver available, so you either need to emulate EMS using (something like) EMM286, or do without - and there are several 286-friendly games that do benefit from EMS. The advantage of the VLSI board is that it //can// run at 25MHz, but the advantages of that are, in my opinion, cancelled out by the lack of reliability, | + | |
| - | + | | |
| - | So, I've settled on the **Eurosoft HT12/A** board, running (for now) at 20MHz. | + | |
| + | * RS232 to PS/2 mouse adapter dongle | ||
| + | | ||
| + | | ||