Difference between revisions of "PC Chips M-209"
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The chipset does not natively support backfilling unused parts of upper memory with UMBs. However if EMS support is not required, third party drivers can use the hardware EMS facility to make a small amount of memory available in as UMBs. | The chipset does not natively support backfilling unused parts of upper memory with UMBs. However if EMS support is not required, third party drivers can use the hardware EMS facility to make a small amount of memory available in as UMBs. | ||
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| + | == External links == | ||
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| + | * [https://th99.bl4ckb0x.de/m/I-L/30125.htm TH99] | ||
Revision as of 20:00, 5 March 2016
PC Chips M-209
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| Bus type | ISA |
|---|---|
| Bus width | 16-bit |
| Bus speed | 40 MHz |
| 8-bit ISA compatible? | Yes |
| Manufacturer | PC Chips |
| Chipset | Hedaka D60 |
| Compatible with | AT |
| Connectors | AT keyboard |
| Requires -5VDC? | Unknown "Unknown" is not recognized as a Boolean (true/false) value. |
| Requires -12VDC? | Unknown "Unknown" is not recognized as a Boolean (true/false) value. |
| Config method | Jumpers, Software |
| Motherboard | |
| Form factor | Baby AT |
| Power connector | |
| CPU socket | Unknown "Unknown" is not in the list (Socket 5, Socket 7, Socket 8, Slot 1, Socket 370, PLCC68, Socket 3, PGA132, Slot 2, Slot A, ...) of allowed values for the "Has CPU socket" property. |
| ISA slots | 1 @ 8-bit 6 @ 16-bit |
| RAM slots | |
| Maximum RAM | Unknown "Unknown" is not a number. |
| Boot ROM | Socket, 28-pin JEDEC, read-only |
| Manual | Vogonsdrivers |
| Driver | Vogonsdrivers |
The PC Chips M-209 is a 286 motherboard capable of up to 20MHz operation, with hardware EMS support.
Contents
Memory
Hardware EMS
This motherboard works with the Hedaka D60 chipset drivers, which provide an EMS interface allowing a chosen amount of memory above 1MB to be accessed as EMS. Thus it is possible for this board to be configured to have conventional, EMS, XMS and Int15 extended memory available, all at the same time.
UMBs
The chipset does not natively support backfilling unused parts of upper memory with UMBs. However if EMS support is not required, third party drivers can use the hardware EMS facility to make a small amount of memory available in as UMBs.
